100 mhz pxi differential instrumentation amplifier model 4040b

43
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 4040B 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B Instruction Manual PN# 4040B-900-01 Publication Date: July 2015 REV. E NOTE: This User’s Manual was as current as possible when this product was manufactured. However, products are constantly being updated and improved. To ensure you have the latest documentation, refer to www.tegam.com.

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Page 1: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected]

4040B

100 MHz PXI Differential Instrumentation Amplifier

MODEL 4040B

Instruction Manual

PN# 4040B-900-01 Publication Date: July 2015

REV. E NOTE: This User’s Manual was as current as possible when this product was manufactured. However, products are constantly being updated and improved. To ensure you have the latest documentation, refer to www.tegam.com.

Page 2: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] I

TABLE OF CONTENTS

TABLE OF CONTENTS

1 INSTRUMENT DESCRIPTION Instrument Description .............................................................................1-1 Figure 1.1: Block Diagram of the 4040B .................................................1-1 Performance Specifications ........................................................................1-2 Table 1.1: Attenuation and Gain Combinations ........................................1-2 Graph 1.1: Frequency Response, Attenuation 100, Gain 1 ........................1-4 Graph 1.2: Frequency Response, Attenuation 10, Gain 1 ..........................1-5 Graph 1.3: Frequency Response, Attenuation 1, Gain 1............................1-5 Graph 1.4: Frequency Response, Attenuation 1, Gain 10 ..........................1-6 Graph 1.5: Frequency Response, Attenuation 1, Gain 100 ........................1-6 Graph 1.6: Frequency Response, Attenuation 100, Gain 10 ......................1-7 Graph 1.7: Frequency Response, Attenuation 100, Gain 100 ....................1-7 Graph 1.8: Frequency Response, Attenuation 10, Gain 10 ........................1-8 Graph 1.9: Frequency Response, Attenuation 10, Gain 100 ......................1-8 Functional Considerations ..........................................................................1-5

2 PREPARATION FOR USE Unpacking & Inspection.............................................................................2-1 Safety Information & Precautions ...............................................................2-1 Terms in this Manual ...........................................................................2-1 Terms as Marked on Equipment ............................................................2-1 Grounding the 4040B ...........................................................................2-2 Danger Arising from the Loss of Ground .................................................2-2 Do not Use in Explosive Environments ...................................................2-2 Power Source .....................................................................................2-3

3 OPERATING INSTRUCTIONS PXI Installation ........................................................................................3-1 Figure 3.1: Installation of the 4040B into a typical multi-slot PXI chassis ...3-1 Front Panel Description .............................................................................3-2 Figure 3.2: Typical Connection ..............................................................3-2

4 SOFTWARE Software .................................................................................................4-1

5 SERVICE INFORMATION Cleaning .................................................................................................5-1

Performance Verification Procedure ............................................................5-1 Test Fixture Details ..................................................................................5-22

Figure 5.2: Common Mode Rejection Ratio Test Fixture Construction .........5-22 Figure 5.3: THD Test Fixture Construction ..............................................5-23 Parts Replacement ...................................................................................5-24 Preparation for Calibration or Repair Service ................................................5-24 Expedite Repair and calibration Form ..........................................................5-25 Warranty .................................................................................................5-26

Page 3: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-1

INSTRUMENT DESCRIPTION SECTION 1

INSTRUMENT DESCRIPTION

The 4040B is a single channel, differential input amplifier capable of high gain and equally high

attenuation values with a bandwidth from DC to 100 MHz. The Model 4040B instrumentation

amplifier is capable of operating with gains of: x1, x10, and x100 in conjunction with attenuation by

factors of: ÷1, ÷10, and ÷100. These levels of gain and attenuation may be used in combination to

condition a differential input signal so that it matches the needed input of a low-level device such as

a digitizer or oscilloscope. There is a more in depth explanation contained in the specification section.

In addition, the 4040B provides programmable offset, anti-aliasing filters, input impedance and input

coupling. Figure 1.1 is a block diagram of the 4040B. The 4040B has been specifically designed to

take two signals and make a valid differential measurement by inverting one of the signals and

adding the difference, this allows the user to measure signals not referenced to local ground without

compromising safety.

Figure 1.1: Block Diagram of the 4040B

Page 4: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-2

INSTRUMENT DESCRIPTION

PERFORMANCE SPECIFICATIONS The multiple gain and attenuation settings of the 4040B interact to affect the performance in terms of

bandwidth and noise. Table 1.1 shows the various attenuation and gain combinations and how these

settings modify what can be expected from the 4040B.

Small Signal Vpeak Output ≤ 0.1 Vpeak

Net

Gain

Input

Attenuation

Internal

Amplifier Gain

Peak Input Voltage (V)

Single Ended a,b,

Max Differential Voltage (V) w/o clipping

a,b,c.

Max Volts to Chassis

a,b,c

Passband Flatness

d.e.

Passband Flatness

Bandwidth d.

3 dB

Bandwidth d.

÷100 ÷100 x1 < 100 < 100 100 V ±0.2 dB 20 MHz 70 MHz ÷10 ÷10 x1 < 10 < 10 40 V ±0.2 dB 25 MHz 70 MHz ÷10 ÷100 x10 < 10 < 10 100 V ±0.25 dB 15 MHz 50 MHz

1 ÷1 x1 < 1 < 1 4 V ±0.15 dB 20 MHz 100 MHz 1 ÷10 x10 < 1 < 1 40 V ±0.25 dB 15 MHz 55 MHz 1 ÷100 x100 < 1 < 1 100 V ±0.25 dB 15 MHz 50 MHz

10 ÷1 x10 < 0.1 < 0.1 4 V ±0.2 dB 20 MHz 55 MHz 10 ÷10 x100 < 0.1 < 0.1 40 V ±0.25 dB 15 MHz 55 MHz

100 ÷1 x100 < 0.01 < 0.01 4 V ±0.2 dB 15 MHz 50 MHz Large Signal

0.1 Vpeak < Vpeak Output ≤ 1 Vpeak ÷100 ÷100 x1 < 100 < 100 100 V ±0.2 dB 10 MHz 30 MHz ÷10 ÷10 x1 < 10 < 10 40 V ±0.2 dB 10 MHz 30 MHz ÷10 ÷100 x10 < 10 < 10 100 V ±0.25 dB 10 MHz 30 MHz

1 ÷1 x1 < 1 < 1 4 V ±0.15 dB 10 MHz 30 MHz 1 ÷10 x10 < 1 < 1 40 V ±0.25 dB 10 MHz 30 MHz 1 ÷100 x100 < 1 < 1 100 V ±0.25 dB 10 MHz 30 MHz

10 ÷1 x10 < 0.1 < 0.1 4 V ±0.2 dB 15 MHz 35 MHz 10 ÷10 x100 < 0.1 < 0.1 40 V ±0.25 dB 10 MHz 30 MHz

100 ÷1 x100 < 0.01 < 0.01 4 V ±0.2 dB 15 MHz 35 MHz a. 5 Vrms max into Input Impedance 50 Ω b. DC + Peak AC not to exceed Peak Input Voltage in Table c. System offset adjusted to zero volts d. Conditions: Input Impedance 50 Ω, Output Load 50 Ω, DC Coupling, System offset adjusted to zero volts e. Allowance from Nominal Gain

Table 1.1: Attenuation and Gain Combinations

As an example, a total system gain of x1 can be achieved three different ways depending on the signal

requirements through attenuating and amplifying by different amounts. Choosing the best combination

involves tradeoffs in input amplitude and signal to noise ratio. Noise increases with higher levels of

attenuation because the noise specification is referred to the input. In relative terms the signal to noise

ratio is basically constant.

Page 5: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-3

INSTRUMENT DESCRIPTION

General Specifications Value Clarification Channels Single Channel Differential Input Net Gains 100, 10, 1, 0.1, 0.01 Selectable, Output Load 50 Ω Attenuations 100, 10, 1 Selectable, Output Load 50 Ω

Independent of Gain Setting Gains 100, 10, 1 Selectable, Output Load 50 Ω

Independent of Attenuation Setting Common Mode Rejection Ratio (CMRR)

≥77 dB at 60 Hz, ≥ 50 dB at 1 MHz

All Net Gain Ranges

Total Harmonic Distortion ≤-60 dB @ 1 MHz Output Load 50 Ω, Output Voltage 1 Vp-p Input Impedance 1 MΩ, Attenuation 1, Gain 1

Noise 9 nV / √Hz 99 nV / √Hz 990 nV / √Hz

Gain 1, 10, or 100, Frequencies >100 Hz Attenuation 10, Frequencies >100 Hz Attenuation 100, Frequencies >100 Hz

Over-voltage Protection (In Any Range)

±100 V DC + Peak AC, Input Impedance 1 MΩ

Coupling AC, DC Selectable, AC ≥10 Hz Low Pass Filter, Cutoff Frequency

100 kHz, 1 MHz Selectable, Single Pole Filter

Input Connection Type BNC Jacks 50 Ω, Quantity 2 Input Impedance 1 MΩ || 20 pF, 50 Ω1 ±1%, Selectable Peak Input Voltage (Basic)

≤100 V (DC + Peak AC)

See Table 1.1

DC Gain Accuracy ±[(0.1% |input| x Net Gain)+ 100 μV] ±[(0.1% |input| x Net Gain)+ 300 μV] ±[(0.2% |input| x Net Gain)+ 100 μV] ±[(0.2% |input| x Net Gain)+ 300 μV]

Attenuation 1, Gain 1, or 102

Attenuation 10 or 100, Gain 12

Attenuation 1, Gain 1002 Attenuation 10 or 100, Gain 102

Attenuation 10 or 100, Gain 1002 Gain Temperature Stability ± 0.01% of reading / °C All Net Gain Ranges Passband Flatness (Basic)

± 0.15 dB See Table 1.1

Passband Flatness Bandwidth (Basic)

25 MHz See Table 1.1

3 dB Bandwidth (Basic)

100 MHz See Table 1.1

Output Connection Type SMB Jack (Male) 50 Ω Output Impedance 50 Ω ±1% Maximum Output Voltage ±1 V Single Ended, Output Load 50 Ω Output Rise Time ≤ 3.5 ns Change from 0.1 V to 0.9 V on the output, with a

0 to 0.1 V step of input, Attenuation 1, Gain10 Offset Range -1.2 V to +1.2 V Minimum offset range, Output Load 50 Ω Offset Resolution 38 µV per step Typical, 16 bit monotonic DAC, Output Load 50 Ω Offset Temperature Stability ± 40 μV / °C Typical, Output Load 50 Ω Interface PXI / cPCI 1 5 Vrms max into 50 Ω 2 System Offset adjusted to zero volts Environmental Specifications Value Operating Temperature 0 °C to +45 °C, (32 °F to 113 °F) Ambient Storage Temperature -20 °C to +50 °C (-4 °F to +122 °F) Humidity Range < 80 % RH Non-Condensing Warm-up Time 30 minutes

Page 6: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-4

INSTRUMENT DESCRIPTION

Frequency ResponseAttenuation 100, Gain 1

(Typical Data and Test Limits)

-43.5

-43.0

-42.5

-42.0

-41.5

-41.0

-40.5

-40.0

-39.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp* (Large Signal)

0.70 Vp*

0.40 Vp*

0.10 Vp* (Small Signal)

0.07 Vp*

0.04 Vp*

0.01 Vp

Small Signal Limit

Large Signal Limit

* Empirically Derived Data

Output Voltage

Graph 1.1 – 4040B Frequency Response, Attenuation 100, Gain 1

Graphs 1.1 through 1.9 show the typical frequency response of both large and small signal, at

minimum, for the different combinations of attenuation and gain of the non-inverting input. The

frequency response of the inverting inputs may vary from those displayed, but are typically the same.

The graphs also display the Passband Flatness Bandwidth and the 3 dB Bandwidth for both large and

small signal levels. Output Voltages denoted with an asterisk are derived and based on empirical data

within operating characteristics of an Agilent 4395A, Network Analyzer. As shown, the frequency

response continually improves as the output voltage is decreased from the large signal level to the

small signal level. Depending on the attenuation and gain settings, the frequency response will

continue to improve with voltages less than the small signal level. All frequency responses are

guaranteed by design, not subject to production testing.

Page 7: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-5

INSTRUMENT DESCRIPTION

Frequency ResponseAttenuation 10, Gain 1

(Typical Data and Test Limits)

-23.5

-23.0

-22.5

-22.0

-21.5

-21.0

-20.5

-20.0

-19.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp* (Large Signal)

0.70 Vp*

0.40 Vp*

0.10 Vp (Small Signal)

0.07 Vp

0.04 Vp

0.01 Vp

Small Signal Limit

Large Signal Limit

* Empirically Derived Data

Output Voltage

Graph 1.2 – 4040B Frequency Response, Attenuation 10, Gain 1

Frequency ResponseAttenuation 1, Gain 1

(Typical Data and Test Limits)

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp (Large Signal)

0.70 Vp

0.40 Vp

0.10 Vp (Small Signal)

0.07 Vp

0.04 Vp

0.01 Vp

Small Signal Limit

Large Signal Limit

Output Voltage

Graph 1.3 – 4040B Frequency Response, Attenuation 1, Gain 1

Page 8: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-6

INSTRUMENT DESCRIPTION

Frequency ResponseAttenuation 1, Gain 10

(Typical Data and Test Limits)

16.5

17.0

17.5

18.0

18.5

19.0

19.5

20.0

20.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp (Large Signal)

0.70 Vp

0.4 Vp

0.10 Vp (Small Signal)

0.07 Vp

0.04 Vp

0.01 Vp

Small Signal Limit

Large Signal Limit

Output Voltage

Graph 1.4 – 4040B Frequency Response, Attenuation 1, Gain 10

Frequency ResponseAttenuation 1, Gain 100

(Typical Data and Test Limits)

36.5

37.0

37.5

38.0

38.5

39.0

39.5

40.0

40.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp (Large Signal)

0.70 Vp

0.40 Vp

0.10 Vp (Small Signal)

0.07 Vp

0.04 Vp

0.01 Vp

Small Signal Limit

Large Signal Limit

Voltage Output

Graph 1.5 – 4040B Frequency Response, Attenuation 1, Gain 100

Page 9: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-7

INSTRUMENT DESCRIPTION

Frequency ResponseAttenuation 100, Gain 10

(Typical Data and Test Limits)

-23.5

-23.0

-22.5

-22.0

-21.5

-21.0

-20.5

-20.0

-19.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp* (Large Signal)

0.10 Vp (Small Signal)

Small Signal Limit

Large Signal Limit

* Empirically Derived Data

Output Voltage

Graph 1.6 – 4040B Frequency Response, Attenuation 100, Gain 10

Frequency ResponseAttenuation 100, Gain 100(Typical Data and Test Limits)

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp (Large Signal)

0.10 Vp (Small Signal)

Small Signal Limit

Large Signal Limit

Output Voltage

Graph 1.7 – 4040B Frequency Response, Attenuation 100, Gain 100

Page 10: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-8

INSTRUMENT DESCRIPTION

Frequency ResponseAttenuation 10, Gain 10

(Typical Data and Test Limits)

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp (Large Signal)

0.10 Vp (Small Signal)

Small Signal Limit

Large Signal Limit

Output Voltage

Graph 1.8 – 4040B Frequency Response, Attenuation 10, Gain 10

Frequency ResponseAttenuation 10, Gain 100

(Typical Data and Test Limits)

16.5

17.0

17.5

18.0

18.5

19.0

19.5

20.0

20.5

1.00E+06 1.00E+07 1.00E+08

Frequency (Hz)

dB G

ain

1.00 Vp (Large Signal)

0.10 Vp (Small Signal)

Small Signal Limit

Large Signal Limit

Output Voltage

Graph 1.9 – 4040B Frequency Response, Attenuation 10, Gain 100

Page 11: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 1-9

INSTRUMENT DESCRIPTION Functional Considerations

Voltage & Current Limitations In general, the maximum input voltage of the 4040B should not exceed ±100 V (200 Vp-p) when the input terminator is set to 1 MΩ. However, some settings will produce incorrect results at lower voltages. This occurs when the input signal or gain setting is too high and causes the output amplifier to clip the signal. An example of this would be measuring a 10 V signal with the gain set to x100. Mathematically this results in a 1000 V signal which clearly exceeds the 2 Vp-p rating of the output amplifier. See Table 1.1 for a table of appropriate input voltages for given combinations of gain and attenuation. No damage would occur to the 4040B or to a digitizer connected to it if the input range was exceeded, but the signal would be distorted. A signal in excess of 100 V would cause the onboard voltage limiting circuitry to activate and also create distortion. There are other considerations when the 4040B is configured with the 50 Ohm input termination. The input voltage is limited to a maximum of 5 Vrms. This is due to the power limitations of the terminator which is 2 W. To protect the unit, flame proof resistors are utilized in the 50 Ohm terminator network. Important: Exceeding the rating of the input in this case requires the 4040B to be returned to the factory for service. Frequency Characteristics The 4040B is capable of amplifying very small signals with a bandwidth from DC to 100 MHz. See Table 1.1 for a complete list of settings and the expected bandwidth. In addition, AC coupling rolls off the low frequencies at 10 Hz. Two anti-aliasing low pass filters are included and tuned for 100 kHz and 1 MHz. These are first order filters that roll off at 20 dB per decade. Offset Adjustment The 4040B includes a programmable offset adjustment that operates on the signal after the gain stage. The resolution of the adjustment is 38 µV when the output is terminated with 50 Ω and can offset the signal greater than ±1 V which is the entire range of the output amplifier. It is not able to effectively offset a signal that exceeds the input range of a given gain and attenuation setting. Selecting Gains and Ranges The amplitude of the signal being measured is the primary consideration when selecting the appropriate gain and attenuation settings. As an example: A 100 mV signal that is riding on 42 V can be effectively measured with an attenuation setting of ÷100 and a gain setting of x10 with a common 42 V signal applied to the inverting input. This is because the differential operation of the 4040B rejects the 42 V common mode signal and only amplifies the difference producing an output signal of 1 V. If the signal of interest was the 42 V itself the 4040B should be configured with an attenuation of ÷100 and a gain of x1 producing an output signal of 0.42 V. The 4040B attenuates the signal prior to amplification. Selecting Input Impedance Selection of the 50 Ω input impedance should be done in the DC coupling mode only.

Page 12: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 2-1

PREPARATION FOR USE

SECTION 2

PREPARATION FOR USE UNPACKING & INSPECTION Each TEGAM Model 4040B is put through a series of electrical and mechanical inspections before shipment to the customer. Upon receipt of your instrument unpack all of the items from the shipping carton and inspect for any damage that may have occurred during transit. Report any missing or damaged items to TEGAM immediately. Retain and use the original packing material for reshipment if necessary. Upon Receipt, inspect the carton for the following items: (1) Model 4040B Fast PXI Instrumentation Amplifier (1) CD (P/N 4040B-840) including Model 4040B Instruction Manual, and Software Drivers

SAFETY INFORMATION & PRECAUTIONS The following safety information applies to both operation and service personnel. Safety precautions and warnings may be found throughout this instruction manual and the equipment. These warnings may be in the form of a symbol or a written statement. Below is a summary of these precautions. Terms in This Manual: “CAUTION” A statement to identify conditions or practices that could result in damage to the equipment, or other property. “WARNING” A statement to identify conditions or practices that could result in personal injury or loss of life.

Terms as Marked on Equipment: “CAUTION” Indicates a personal injury hazard not immediately accessible as one reads the marking, or a hazard to property including the equipment itself. “DANGER” Indicates a personal injury hazard immediately accessible as one reads the marking.

This symbol denotes where precautionary information may be found.

!

Page 13: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 2-2

PREPARATION FOR USE

Precaution

Grounding the Model 4040B

The Model 4040B is grounded through the grounding conductor of the PXI chassis power cord. The connection shields of all the connectors are also grounded. The proper grounding of the chassis is essential for safety and for the optimization of the Model 4040B’s operation. WARNING To avoid electrical shock or other potential safety hazards, plug the PXI chassis power cord into a properly wired receptacle before using this instrument. Use A Common Ground for All Instruments It is very important that all instruments being used, both internal modules as well as external instruments share a common ground. If a common ground connection is lost then improper instrumentation readings may result, also see warning above. Danger Arising from Loss of Ground If the connection to ground through the PXI chassis is lost or compromised, a floating potential could develop in the Model 4040B module. Under these conditions all accessible parts, including insulating parts such as the front panel could develop a hazardous voltage and put the user at risk.

Do Not Use in Explosive Environments WARNING: The Model 4040B is not designed for operation in explosive environments.

Do not Operate Unless the 4040B Module is Properly Installed WARNING: The Model 4040B should be properly seated within an appropriate PXI chassis before use. All PXI chassis covers and service panels should be in place before operation. Operation with empty module slots, or removed covers could result in personal injury.

PXI Chassis:

WARNING: The power supply should be plugged in (to establish ground) but switched off before installing the Model 4040B or any PXI module.

Attention – Please refer to the instruction manual.

!

!

!

!

!

!

!

Page 14: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 2-3

PREPARATION FOR USE

Use Care When Servicing with Power On Dangerous voltages may exist at several points within the PXI chassis. To avoid personal injury or damage, avoid touching exposed connections or components while the power is on. Assure that the power is off and any cables are disconnected when removing or servicing the 4040B amplifier.

Power Source The Model 4040B is designed to connect to a PXI Chassis and receive all operational power from the backplane of the chassis. The Model 4040B draws -12 V, 3.3 V, 5 V and 12 V from the PXI Chassis backplane. 3.3 VDC is used for all TTL level functions, 5 VDC is used for relay controls, and ±12 VDC operate onboard analog circuitry. Be aware that higher voltages exist within the PXI Chassis and it is essential that the chassis is powered off and all cables disconnected when installing or uninstalling any PXI card. A protective chassis ground connection by way of the grounding conductor in the power cord is essential for safe operation. WARNING: DO NOT MODIFIY any configurations or connections from their original state otherwise safe operation of this equipment may be compromised. WARNING: Always remember to shut off the power and wait at least 15 seconds before disconnecting or connecting any cables to or from the Model 4040B. Ignoring this warning could result in electric shock.

!

Page 15: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 3-1

OPERATING INSTRUCTIONS

SECTION 3

OPERATING INSTRUCTIONS PXI Installation Follow the steps below to install the Model 4040B Fast PXI Instrumentation Amplifier.

1. Make sure the power is off or turn off the power of the PXI chassis. 2. Read the manual supplied with the PXI chassis to determine which slot is available for standard

PXI modules such as the Model 4040B. Slot 1 is usually reserved for use as a hardware controller for the overall system, or other modular device to enable PXI control.

3. Install the 4040B Driver that came with the card, and insert the 4040B into a PXI chassis empty slot by placing the card edges into the front module guides. Guides are located on both the top and bottom of the chassis entry location.

4. Gently apply pressure to further insert the card and finally use the injector/ejector handle on the 4040B to fully insert the card into the chassis.

5. Secure the 4040B to the chassis with the captured screw in the top of the face plate.

Figure 3.1: Installation of the 4040B into a typical multi-slot PXI chassis

PXI Empty Slot and Module Guides

Differential Inputs

CPCI / PXI Connector

Injector / Ejector Handle

Output (2 Vp-p Max)

Page 16: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 3-2

OPERATING INSTRUCTIONS

Default State at Power Up When the 4040B is initially powered, it configures to the following states:

• Attenuation of 10, • Gain of 1, • Low Pass Filter is Off, • Input Impedance is 1 MΩ, and • Offset is 7FFFh or approximately 0 V.

After power up and the cPCI driver is active, the 4040B may be reconfigured as required. Connections Both of the amplifier’s inputs require standard BNC 50 Ω connections and have an impedance of 1 MΩ or 50 Ω. The 4040B is compatible with all signals from DC to 100 MHz and 0 to ±100 V. The output is an SMB jack connector specified as 50 Ω with an output impedance of 50 Ω. For proper performance, TEGAM recommends interconnection cables made of RG316-DS. RG316-DS accessory cables are available from TEGAM in various lengths to suit your application or you may purchase them from standard cable vendors. Both input BNC shields are grounded to a common ground inside the Model 4040B. The BNC shield is at the same potential as the PXI chassis ground. Figure 3.2 represents a typical connection from the 4040B to a system under test.

Figure 3.2: Typical Connection

Page 17: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected] 4-1

SOFTWARE

SECTION 4

SOFTWARE VISA compliant drivers are available for LabVIEW, C++, and Visual Basic. The 4040B DRIVER setup file is provided on the CD that is included with the 4040B. It can also be downloaded from the website, www.tegam.com. The 4040B driver installer does not allow customization of the installation path. The setup will create a Tegam 4040 folder in C:\Users\(current user)\Documents folder. The Tegam 4040 demo folder and it’s subfolders can be copied to \LabVIEW (20xx)\instr.lib folder to use 4040 vis in LabVIEW. A simple front panel LabVIEW vi, Tegam4040 - Control [Demo].vi is included in Tegam 4040 Demo folder that provides control of all of the 4040B settings.

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SERVICE INFORMATION

SECTION 5

SERVICE INFORMATION CLEANING

AVOID THE USE OF CHEMICAL CLEANING AGENTS WHICH MIGHT DAMAGE THE UNIT. DO NOT APPLY ANY SOLVENT CONTAINING

KETONES, ESTERS OR HALOGENATED HYDROCARBONS.

Use low-velocity compressed air to blow off the accumulated dust. Hardened dirt can be removed with a cotton-tipped swab, soft, dry cloth. VERIFICATION PROCEDURE

This procedure verifies all the published specifications of the 4040B. In addition to the test equipment, two test fixtures are also used: a Common Mode Rejection Ratio test fixture and a Total Harmonic Distortion test fixture. Schematics 5.2 and 5.3 below provide the construction details of these fixtures. The Common Mode Rejection Ratio test fixture provides the RF signal splitting and termination needed to connect the network analyzer to the 4040B for the common mode rejection tests. The THD test fixture contains a harmonic filter which also performs a single ended to differential signal conversion, developing a low distortion differential test signal needed as the input for the Harmonic Distortion test.

Equipment Required:

• Network, Spectrum, Impedance Analyzer: Agilent 4395A • Digital Multi-Meter: Agilent 34401A (Quantity 2) • Multi Product Calibrator: Fluke 5522A • Arbitrary Waveform Generator: Pragmatic 2416A • PXI Chassis: National Instruments PXI-1033 • Computer with required software:

o National Instruments LabVIEW 8.2.1 or higher; and o TEGAM 4040-Control [Demo].vi.

• N-Type, (F-F-F), Resistive Power Splitter: Weinschel 1870A • N-Type (M) to N-Type (M) coupler: Amphenol 172122 • SMB (F) to BNC (F) adapter: Amphenol 242185 (Quantity 2) • BNC Tee (F-M-F): Amphenol 031-208 • N-Type (M) to BNC (F) adapter: Amphenol 31-216 (Quantity 4) • BNC to BNC cable, (1-3)’, w/(A Ferrite Core Clamped On Each End): Amphenol 115101-19-x

(Quantity 3) • Ferrite Clamp On Cores: Fair-Rite 0461164281 (Quantity 6) • BNC to BNC cable, (1-3)’, w/o ferrite cores: Amphenol 115101-19-x (Quantity 4) • SMB (M) to BNC (F) adapter: Amphenol 242186 • BNC (M) Shorting Cap: Amphenol 202114

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SERVICE INFORMATION

Equipment Required Continued:

• Wide Band Isolation Transformer: North Hills 0017CC • Dual Banana Plug to BNC (F) adapter: Pomona Electronics 1269 (Quantity 3) • BNC 50 Ω Attenuator Kit: Pomona Electronics 5513 • BNC 50 Ω Feed Thru Terminator: Pomona Electronics 4119-50 • Common Mode Rejection Ration Test Fixture • Total Harmonic Distortion Test Fixture

I. General Information

A. Instructions

1. UUT designates Unit Under Test. 2. This procedure calls out for recalling preset setups of the 4395A and 2416A. Preset setups

parameters and instructions may be found in section IV and V of this procedure.

B. Environmental Conditions

1. This procedure shall be performed within environmental conditions of 23 °C ± 5 °C and < 80 %RH. These specifications are due to the equipment used.

2. The environmental conditions shall remain within ± 1 °C from the temperature at which calibration is performed on the 4395A.

3. The UUT shall be acclimated to the controlled environment for a minimum of 8 hours.

II. Preparation

A. Initial Set-up

NOTE: Prior to installing a UUT into the PXI-1033 Chassis, verify that the PXI-1033 chassis is in the off position.

1. Insert the UUT into the PXI-1033 Chassis. 2. Connect the PXI-1033 Chassis to the computer. 3. Turn on the PXI-1033 Chassis. 4. Cold boot the PC, if it is on already, restart the PC.

B. Equipment Warm-up

1. Turn the 4395A on and allow a 30 minute warm up. 2. Turn the 5522A on and allow a 30 minute warm up. 3. Turn the two 34401As on and allow a 1 hour warm up. 4. Turn the 2416A on and allow a 30 minute warm up. 5. Plug the UUT into the PXI 1033 Chassis, Turn on the PXI 1033 Chassis and allow a 30 minute

warm up. See Initial Set-up for more details.

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III. Calibration Accuracy Test

A. Common Mode Rejection Ratio (CMRR)

Figure III-A-1

NOTE: CMRR = Differential Gain (Ad) in dB – Common Mode Gain (Acm) in dB. The measurements taken in this section are Acm.

1. Setup the station for calibration of frequency response using the following equipment, Refer to Figure III-A-1: a. 4395A; b. Resistive Power Splitter; c. CMRR Test Fixture; d. Quantity 4, BNC to BNC cables w/o ferrite cores; e. N-Type Male to N-Type Male coupler; f. Quantity 4, N-Type Male to BNC Female adapter; g. Isolation Transformer; h. Quantity 2, BNC Female to SMB Female adapter; and i. 50 Ω BNC Feed Through Terminator.

2. Recall the CMRR preset from the 4395A. 3. Change/Verify the Settings in the 4040 Control Interface to:

a. Attenuation to Attenuation of 1; b. Gain to Gain of 100; c. Coupling to DC Coupling; d. Low Pass Filter to No Filter; e. Input Impedance to 1 MOhm; and f. DAC to 8000.

4. Calibrate the Thru Response of the 4395A followed by pressing DONE RESPONSE. 5. Change the setup of the station to measure the frequency response of the inputs making sure

to only disconnect and move the connection to the output of the UUT.

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6. Change the attenuation to 0 dB for input “A” of the 4395A using the following sequence: a. Scale Ref; b. ATTENUATOR MENU; c. ATTEN A; d. 0; and e. SLx1.

7. Perform the following steps for each Attenuation_Gain listed in Table III-A-1: a. Restart the measurement average using the following sequence:

1. Trigger; and 2. MEASURE RESTART.

b. Allow the 4395A to average three traces and note the Acm readings for 60 Hz and 1MHz for the applicable Attenuation_Gain setting;

c. Verify that the Acm readings for 60 Hz and 1 MHz are less than or equal to the limits listed in Table III-A-1 for the applicable Attenuation_Gain setting; and

d. Repeat steps a—c for the remaining Attenuation_Gains listed changing the settings in the 4040 Control Interface as necessary.

8. Disconnect the setup from the UUT.

Table III-A-1

Common Mode Acm Limits Attenuation_Gain Acm 60 Hz Acm 1 MHz

÷1_x100 -37 dB -10 dB ÷1_x10 -57 dB -30 dB ÷1_x1 -77 dB -50 dB ÷10_x1 -97 dB -70 dB ÷100_x1 -117 dB -90 dB

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B. Total Harmonic Distortion (THD)

Figure III-B-1

1. Setup the station for measuring THD using the following equipment, Refer to Figure III-B-1: a. 2416A; b. 4395A; c. Quantity 2, BNC to BNC cables w/o ferrite cores; d. N-Type Male to BNC Female adapter; e. BNC Female to SMB Female adapter; and f. THD Test Fixture.

2. Recall the THD preset from the 4395A. 3. Recall setup 0 from the 2416A. 4. Change/Verify the Settings in the 4040 Control Interface to:

a. Attenuation to Attenuation of 1; b. Gain to Gain of 1; c. Coupling to DC Coupling; d. Low Pass Filter to No Filter; e. Input Impedance to 1 MOhm; and f. DAC to 8000.

5. Turn on the output of the 2416A.

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6. Restart the measurement average for the 4395A using the following sequence: a. Trigger; and b. MEASURE RESTART.

7. Allow the 4395A to average six traces and note the harmonic readings for 1 MHz, 2 MHz, 3 MHz and 4 MHz.

8. Calculate the THD using the following formula where the xMHz are the readings noted in dB:

++=

1014

1013

1012

10101010MHzMHzMHzMHzMHzMHz

LogTHD

9. Verify that the THD is ≤ -60 dB. 10. Disconnect the setup from the UUT.

C. DC Gain

Figure III-C-1

NOTE: For this section only, cables shall have ferrite cores clamped on both ends of each cable, and cables shall be dressed as to not touch/cross each other.

NOTE: Substitution of the 5522A may result in excessive noise amplified by the UUT, resulting in false out of tolerance conditions.

1. Setup the station to measure DC gain on the positive input using the following equipment, Refer to Figure III-C-1: a. 5522A; b. Quantity 2, 34401A; c. Quantity 3, Dual Banana Plug to BNC Female adapters; d. Quantity 3, BNC to BNC cables w/ ferrite cores; e. BNC Female to SMB Female adapter; f. BNC Male Shorting Cap; and g. BNC Signal Splitter, Female, Male,Female.

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2. Change/Verify the Settings in the 4040 Control Interface to: a. Attenuation to Attenuation of 1; b. Gain to Gain of 1; c. Coupling to DC Coupling; d. Low Pass Filter to No Filter; e. Input Impedance to 1 MOhm; and f. DAC to 8000.

NOTE: For the following step, once the Null function is turned on for a given Attenuation_Gain, cables, connectors or equipment are not to be moved or disconnected.

3. Perform the following steps for each Attenuation_Gain listed in Table III-C-1: a. Output 0 V from the 5522A; b. Adjust the UUT DAC for the closest possible zero volts output; c. Null both 34401A’s by depressing the NULL button; d. Change the output of the 5522A to the corresponding Voltage for the next Parameter listed

for the applicable Attenuation_Gain; e. Note the readings from the DMMs monitoring the input and output of the UUT; f. Calculate the output error using the following formulas where the input and output are in

Volts and net gain is either 0.01, 0.1, 1, 10 or 100 as applicable;

100||

2%_ ×

×=Input

InputNetGain

Output

rOutputErroInputPositive

100||

2%_ ×

+

×=Input

InputNetGain

Output

rOutputErroInputNegative

g. Verify that the calculated Output Error does not exceed the Tolerance; h. Repeat steps d—f for the remaining Parameters; i. Turn off the output from the DC voltage source; j. Turn off the Null function of both 34401A’s; and

k. Repeat steps a—j for the remaining Attenuation_Gains listed changing the settings in the 4040 Control Interface as necessary and changing of cable connections to the UUT as necessary.

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Table III-C-1

DC Gain, Positive Input DC Gain, Negative Input Attenuation_Gain

Tolerance Parameter Voltage Attenuation_Gain Tolerance Parameter Voltage

÷1_x1 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V

÷1_x1 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V + Full Scale 1 V + Full Scale 1 V - Full Scale -1 V - Full Scale -1 V

+ 50% Scale 0.5 V + 50% Scale 0.5 V - 50% Scale -0.5 V - 50% Scale -0.5 V +10% Scale 0.1 V +10% Scale 0.1 V - 10% Scale -0.1 V - 10% Scale -0.1 V

÷1_x10 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V

÷1_x10 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V + Full Scale 0.1 V + Full Scale 0.1 V - Full Scale -0.1 V - Full Scale -0.1 V

+ 50% Scale 0.05 V + 50% Scale 0.05 V - 50% Scale -0.05 V - 50% Scale -0.05 V +10% Scale 0.01 V +10% Scale 0.01 V - 10% Scale -0.01 V - 10% Scale -0.01 V

÷1_x100* ±[(0.1% |Input| x Net Gain) +300 μV]

Zero/Offset 0 V

÷1_x100* ±[(0.1% |Input| x Net Gain) +300 μV]

Zero/Offset 0 V + Full Scale 0.01 V + Full Scale 0.01 V - Full Scale -0.01 V - Full Scale -0.01 V

+ 50% Scale 0.005 V + 50% Scale 0.005 V - 50% Scale -0.005 V - 50% Scale -0.005 V +10% Scale 0.001 V +10% Scale 0.001 V - 10% Scale -0.001 V - 10% Scale -0.001 V

÷10_x1 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V ÷10_x1 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V + Full Scale 10 V + Full Scale 10 V - Full Scale -10 V - Full Scale -10 V

÷100_x1 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V ÷100_x1 ±[(0.1% |Input| x Net Gain) +100 μV]

Zero/Offset 0 V +10% Scale 10 V +10% Scale 10 V - 10% Scale -10 V - 10% Scale -10 V

* Low Pass Filter Set to 100 kHz

4. AC/DC Coupling Test a. Change/Verify the Settings in the 4040 Control Interface to:

1. Attenuation to Attenuation of 10; 2. Gain to Gain of 1; 3. Coupling to DC Coupling; 4. Low Pass Filter to No Filter; 5. Input Impedance to 1 MOhm; and 6. DAC to 8000.

b. Output 0 V from the DC voltage source. c. Adjust the UUT DAC for the lowest possible output. d. Change the output of the DC voltage source to 10 V. e. Verify a reading of approximately ± 2 V on the output of the UUT. f. Change the Coupling to AC Coupling in the 4040 Control Interface.

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g. Verify a reading of approximately 0 V on the output of the UUT. h. Change the Coupling to DC Coupling in the 4040 Control Interface. i. Verify a reading of approximately ± 2 V on the output of the UUT. j. Output 0 V from the DC voltage source.

k. Turn off the output from the DC voltage source. 5. Disconnect the setup from the UUT.

D. AC Gain, Small Signal Flatness, ≤ 50 kHz

Figure III-D-1

NOTE: The Max and Min values noted are the absolute maximum and absolute minimum values for the frequency response sweep.

1. Perform the following steps for each Attenuation_Gain listed in Table III-D-1: a. Setup the station for calibration of frequency response using the following equipment,

Refer to Figure III-D-1: 1. 4395A; 2. Resistive Power Splitter; 3. Isolation Transformer; 4. Quantity 4, BNC to BNC cables w/o ferrite cores; 5. N-Type Male to N-Type Male coupler; 6. Quantity 4, N-Type Male to BNC Female adapter; 7. BNC Attenuator for applicable Attenuation_Gain setting; 8. BNC Female to SMB Male adapter; 9. BNC Female to SMB Female adapter; and

10. 50 Ω BNC Shorting Cap. b. Recall the 4395A Preset for the applicable Attenuation_Gain setting from the 4395A; c. For the Attenuation_Gain setting of ÷10_x1 only:

1. Change the reference value of the 4395A to -20 dB; d. Calibrate the Thru Response of the 4395A followed by pressing DONE RESPONSE;

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e. Change/Verify the Settings in the 4040 Control Interface to: 1. Attenuation to the applicable setting; 2. Gain to the applicable setting; 3. Coupling to DC Coupling; 4. Low Pass Filter to No Filter; 5. Input Impedance to 50 Ohm; and 6. DAC to 8000.

f. Change the setup of the station to measure the frequency response of the positive input making sure to only disconnect and move the connections to the UUT;

g. Measure the frequency response at least once, and note the Max and Min values of the frequency response of the UUT, Positive Input;

h. Verify that the noted Max and Min values do not exceed the applicable Tolerance listed in Table III-D-1;

i. Swap the connections to the inputs of the UUT; j. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Negative Input; k. Verify that the noted Max and Min values do not exceed the applicable Tolerance listed in

Table III-D-1; and l. Repeat steps a—k for the remaining Attenuation_Gains listed changing the settings in the

4040 Control Interface as necessary. 2. Disconnect the setup from the UUT.

Table III-D-1

AC Gain ≤ 50 kHz

Attenuation_Gain 4395A Preset

BNC Attenuator Tolerance

÷100_x1 ATT_50K 14 dB (-40 ±0.2) dB ÷10_x1 ATT_50K 14 dB (-20 ±0.2) dB ÷1_x1 X1_50K 19 dB* (0 ±0.15) dB ÷1_x10 X10_50K 20 dB (20 ±0.2) dB ÷1_x100 X100_50K 20 dB (40 ±0.2) dB

* Connect the 10 dB, 6 dB and 3 dB Attenuators in series

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E. AC Gain, Small Signal Flatness, ≥ 50 kHz

Figure III-E-1

NOTE: The Max and Min values noted are the absolute maximum and absolute minimum values for the frequency response sweep.

1. Perform the following steps for each Attenuation_Gain listed in Table III-E-1: a. Setup the station for calibration of frequency response using the following equipment,

Refer to Figure III-E-1: 1. 4395A; 2. Resistive Power Splitter; 3. Quantity 3, BNC to BNC cables w/o ferrite cores; 4. N-Type Male to N-Type Male coupler; 5. Quantity 4, N-Type Male to BNC Female adapter; 6. BNC Attenuator for applicable Attenuation_Gain setting; 7. BNC Female to SMB Male adapter; 8. BNC Female to SMB Female adapter; and 9. 50 Ω BNC Shorting Cap.

b. Recall the 4395A Preset for the applicable Attenuation_Gain setting from the 4395A; c. For the Attenuation_Gain setting of ÷10_x1 only:

1. Change the reference value of the 4395A to -20 dB; d. Calibrate the Thru Response of the 4395A followed by pressing DONE RESPONSE; e. Change/Verify the Settings in the 4040 Control Interface to:

1. Attenuation to the applicable setting; 2. Gain to the applicable setting; 3. Coupling to DC Coupling; 4. Low Pass Filter to No Filter; 5. Input Impedance to 50 Ohm; and 6. DAC to 8000.

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f. Change the setup of the station to measure the frequency response of the positive input making sure to only disconnect and move the connections to the UUT;

g. Measure the frequency response at least once, and note the Max and Min values of the frequency response of the UUT, Positive Input;

h. Verify that the noted Max and Min values do not exceed the applicable 3 dB Tolerance listed in Table III-E-1;

i. Swap the connections to the inputs of the UUT; j. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Negative Input; k. Verify that the noted Max and Min values do not exceed the applicable 3 dB Tolerance

listed in Table III-E-1; l. Change the stop frequency of the 4395A to PassBand Bandwidth for the applicable

Attenuation_Gain setting; m. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Negative Input; n. Verify that the noted Max and Min values do not exceed the applicable PassBand Tolerance

listed in Table III-E-1; o. Swap the connections to the inputs of the UUT; p. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Positive Input; q. Verify that the noted Max and Min values do not exceed the applicable PassBand Tolerance

listed in Table III-E-1; r. For the Attenuation_Gain setting of ÷1_x1 only:

1. Low Pass Filter Test; i. Change the Low Pass Filter to 1 MHz in the 4040 Control Interface. ii. Verify that the frequency response rolls off approximately 3 dB @ 1 MHz. iii. Verify that the frequency response rolls off approximately 20 dB @ 10 MHz. iv. Change the Low Pass Filter to 100 kHz in the 4040 Control Interface. v. Verify that the frequency response rolls off approximately 3 dB @ 100 kHz. vi. Verify that the frequency response rolls off approximately 20 dB @ 1 MHz. vii. Change the Low Pass Filter to No Filter in the 4040 Control Interface. viii. Verify that the frequency response returns to normal.

s. Repeat steps a—r for the remaining Attenuation_Gains listed changing the settings in the 4040 Control Interface as necessary.

2. Disconnect the setup from the UUT.

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Table III-E-1

AC Gain ≤ 50 kHz (Small Signal)

Attenuation_Gain 4395A Preset

BNC Attenuator

PassBand Bandwidth

PassBand Tolerance

3 dB Tolerance

÷100_x1 ATT_70M 14 dB 20 MHz (-40 ±0.2) dB (-40 ±3) dB ÷10_x1 ATT_70M 14 dB 25 MHz (-20 ±0.2) dB (-20 ±3) dB ÷1_x1 X1_100M 19 dB* 20 MHz (0 ±0.15) dB (0 ±3) dB ÷1_x10 X10_55M 20 dB 20 MHz (20 ±0.2) dB (20 ±3) dB ÷1_x100 X100_50M 20 dB 15 MHz (40 ±0.2) dB (40 ±3) dB

* Connect the 10 dB, 6 dB and 3 dB Attenuators in series

F. AC Gain, Large Signal Flatness, ≥ 50 kHz

Figure III-F-1

NOTE: The Max and Min values noted are the absolute maximum and absolute minimum values for the frequency response sweep.

1. Setup the station for calibration of frequency response using the following equipment, Refer to Figure III-F-1: a. 4395A; b. Quantity 2, BNC to BNC cables w/o ferrite cores; c. Quantity 2, N-Type Male to BNC Female adapters; d. BNC Female to SMB Male adapter; e. BNC Female to SMB Female adapter; and f. 50 Ω BNC Shorting Cap.

2. Recall the X1_LS30M preset from the 4395A. 3. Calibrate the Thru Response of the 4395A followed by pressing DONE RESPONSE. 4. Change/Verify the Settings in the 4040 Control Interface to:

a. Attenuation to Attenuation of 1; b. Gain to Gain of 1; c. Coupling to DC Coupling;

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d. Low Pass Filter to No Filter; e. Input Impedance to 50 Ohm; and f. DAC to 8000.

5. Change the setup of the station to measure the frequency response of the positive input making sure to only disconnect and move the connections to the UUT.

6. Measure the frequency response at least once, and note the Max and Min values of the frequency response of the UUT, Positive Input.

7. Verify that the noted Max and Min values do not exceed (0 ±3) dB; 8. Swap the connections to the inputs of the UUT. 9. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Negative Input. 10. Verify that the noted Max and Min values do not exceed (0 ±3) dB. 11. Setup the station for calibration of frequency response changing nothing, Refer to Figure III-F-

1. 12. Recall the X1_LS10M preset from the 4395A. 13. Calibrate the Thru Response of the 4395A followed by pressing DONE RESPONSE. 14. Change the setup of the station to measure the frequency response of the positive input

making sure to only disconnect and move the connections to the UUT. 15. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Positive Input. 16. Verify that the noted Max and Min values do not exceed (0 ±0.15) dB. 17. Swap the connections to the inputs of the UUT. 18. Measure the frequency response at least once, and note the Max and Min values of the

frequency response of the UUT, Negative Input. 19. Verify that the noted Max and Min values do not exceed (0 ±0.15) dB. 20. Disconnect the setup from the UUT.

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IV. 4395A Presets

A. CMRR (Common Mode Rejection Ratio)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 20 dB / div; c. Reference position to 8; d. Attenuator for channel A to 50 dB; e. Attenuator for channel R to 20 dB; f. Averaging On; g. Averaging factor to 3; h. Create a list frequency with two segments:

1. Segment 1: i. Center 60 Hz; ii. Span 20 Hz; iii. Points 3; iv. Power 15 dBm; and v. IF Bandwidth 2 Hz.

2. Segment 2: i. Center 1 MHz; ii. Span 500 kHz; iii. Points 3; iv. Power 15 dBm; and v. IF Bandwidth 10 Hz.

i. Sweep type to LIST FREQ; j. Marker list On;

k. Marker 1 frequency to 1 MHz; and l. Marker 0 frequency to 60 Hz.

3. Save the State on a 3.5 inch floppy as CMRR.

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B. THD (Total Harmonic Distortion)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Spectrum Analyzer; b. Channel to A for measure; c. Start to 0 Hz; d. Stop to 10 MHz; e. Reference value to 10 dB; f. Attenuator A to 30dB; g. RES Bandwidth to 300 Hz; h. Averaging On; i. Averaging factor to 6; j. Marker list On;

k. Marker 1 frequency to 2 MHz; l. Marker 2 frequency to 3 MHz;

m. Marker 3 frequency to 4 MHz; and n. Marker 0 frequency to 1 MHz.

3. Save the State on a 3.5 inch floppy as THD.

C. ATT_50K (Attenuation Less Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 0.2 dB / div; c. Reference value to -40 dB; d. Attenuator for channel R to 30 dB; e. Attenuator for channel A to 20 dB; f. Start frequency to 1 kHz; g. Stop frequency to 50 kHz; h. Power to 15 dBm; i. IF Bandwidth to 10 Hz; j. Number of points to 25;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as ATT_50K.

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SERVICE INFORMATION

D. X1_50K (Gain of 1 Less Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale reference to 0.15 dB / div; c. Reference value to 0 dB; d. Attenuator for channel R to 30 dB; e. Attenuator for channel A to 10 dB; f. Start frequency to 1 kHz; g. Stop frequency to 50 kHz; h. Power to 15 dBm; i. IF Bandwidth to 10 Hz; j. Number of points to 25;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as X1_50K.

E. X10_50K (Gain of 10 Less Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 0.2 dB / div; c. Reference value to 20 dB; d. Attenuator for channel R to 10 dB; e. Attenuator for channel A to 10 dB; f. Start frequency to 1 kHz; g. Stop frequency to 50 kHz; h. Power to -4 dBm; i. IF Bandwidth to 10 Hz; j. Number of points to 25;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as X10_50K.

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SERVICE INFORMATION

F. X100_50K (Gain of 100 Less Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 0.2 dB / div; c. Reference value to 40 dB; d. Attenuator for channel R to 0 dB; e. Attenuator for channel A to 10 dB; f. Start frequency to 1 kHz; g. Stop frequency to 50 kHz; h. Power to -24 dBm; i. IF Bandwidth to 10 Hz; j. Number of points to 25;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as X100_50K.

G. ATT_70M (Attenuation Greater Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 0.2 dB / div; c. Reference value to -40 dB; d. Attenuator for channel R to 30 dB; e. Attenuator for channel A to 20 dB; f. Start frequency to 50 kHz; g. Stop frequency to 70 MHz; h. Power to 15 dBm; i. IF Bandwidth to 100 Hz; j. Number of points to 201;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as ATT_70M.

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SERVICE INFORMATION

H. X1_100M (Gain of 1 Greater Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale reference to 0.15 dB / div; c. Reference value to 0 dB; d. Attenuator for channel R to 30 dB; e. Attenuator for channel A to 10 dB; f. Start frequency to 50 kHz; g. Stop frequency to 100 MHz; h. Power to 15 dBm; i. IF Bandwidth to 100 Hz; j. Number of points to 201;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as X1_100M.

I. X10_55M (Gain of 10 Greater Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 0.2 dB / div; c. Reference value to 20 dB; d. Attenuator for channel R to 10 dB; e. Attenuator for channel A to 10 dB; f. Start frequency to 50 kHz; g. Stop frequency to 55 MHz; h. Power to -4 dBm; i. IF Bandwidth to 100 Hz; j. Number of points to 201;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as X10_55M.

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SERVICE INFORMATION

J. X100_50M (Gain of 100 Greater Than 50 kHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Scale per division to 0.2 dB / div; c. Reference value to 40 dB; d. Attenuator for channel R to 0 dB; e. Attenuator for channel A to 10 dB; f. Start frequency to 50 kHz; g. Stop frequency to 50 MHz; h. Power to -24 dBm; i. IF Bandwidth to 100 Hz; j. Number of points to 201;

k. Statistics On; l. Format to LOG MAG; and

m. Sweep Type to LOG FREQ. 3. Save the State on the 3.5 inch floppy as X100_50M.

K. X1_LS10M (Gain of 1, Large Signal 10 MHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Measure A channel only; c. Scale reference to 0.15 dB / div; d. Reference value to 0 dB; e. Attenuator for channel R to 40 dB; f. Attenuator for channel A to 30 dB; g. Start frequency to 50 kHz; h. Stop frequency to 10 MHz; i. Power to 10 dBm; j. IF Bandwidth to 100 Hz;

k. Number of points to 201; l. Statistics On;

m. Format to LOG MAG; and n. Sweep Type to LOG FREQ.

3. Save the State on the 3.5 inch floppy as X1_LS10M.

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SERVICE INFORMATION

L. X1_LS30M (Gain of 1, Large Signal 30 MHz)

1. Press the Preset button to default the settings on the 4395A. 2. Change the following settings on the 4395A:

a. Analyzer type to Network Analyzer; b. Measure A channel only; c. Scale reference to 0.15 dB / div; d. Reference value to 0 dB; e. Attenuator for channel R to 40 dB; f. Attenuator for channel A to 30 dB; g. Start frequency to 50 kHz; h. Stop frequency to 30 MHz; i. Power to 10 dBm; j. IF Bandwidth to 100 Hz;

k. Number of points to 201; l. Statistics On;

m. Format to LOG MAG; and n. Sweep Type to LOG FREQ.

3. Save the State on the 3.5 inch floppy as X1_LS30M.

V. 2416A Presets

A. Total Harmonic Distortion Signal

1. Default the 2416A by pressing the DCL and ENTER. 2. Change the following settings on the 2416A:

a. Frequency to 1.0 MHz; b. Amplitude to 586 mV; c. Waveform to STD Sine wave; and d. Mode to Cont.

3. Store the setup in location 0. Test is concluded

Page 39: 100 MHz PXI Differential Instrumentation Amplifier MODEL 4040B

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SERVICE INFORMATION

Test Fixture Details Common Mode Rejection Ratio Test Fixture

Figure 5.2: Common Mode Rejection Ratio Test Fixture Construction

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SERVICE INFORMATION

Test Fixture Details Continued THD Test Fixture

Figure 5.3: THD Test Fixture Construction

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SERVICE INFORMATION

Parts Replacement The Model 4040B has no user-serviceable parts. The 4040B contains multiple levels of failsafe circuitry. If you suspect that the unit is not operating, please contact TEGAM Inc. for an RMA number. Preparation for Calibration or Repair Service Once you have verified that a malfunctioning 4040B cannot be solved in the field and the need for repair and calibration service arises, contact TEGAM customer service to obtain an RMA, (Returned Material Authorization), number. You can contact TEGAM customer service via the TEGAM website, www.tegam.com or by calling 440.466.6100 (All Locations) OR 800.666.1010 (United States Only). The RMA number is unique to your instrument. The RMA both identifies the instrument and your specific service request Equally important is a detailed written description of the problem. It is recommended that you send the completed Expedite Repair & Calibration Form with the instrument. Use a copy of the Expedite Repair & Calibration Service form provided on the next page. Many times servicing is unnecessarily delayed due to a lack of repair instructions or a detailed description of the problem. This description should include information such as measurement range and other instrument settings, component type(s) being tested, are the symptoms intermittent, conditions that may cause the symptoms, has anything changed since the last time the instrument was used, etc. Any detailed information provided to TEGAM’s technicians will assist in identifying and correcting the problem in the quickest possible manner.

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SERVICE INFORMATION

Expedite Repair & Calibration Form Use this form to provide additional repair information and service instructions. The Completion of this form and including it with your instrument will expedite the processing and repair process.

RMA#: Instrument Model #: Serial Number:

Company:

Technical Contact:

Phone Number:

Additional Contact Info:

Repair Instructions Evaluation Calibration Only Repair Only Repair & Calibration Z540 (Extra Charge) Detailed Symptoms Include information such as measurement range, instrument settings, type of components being tested, is the problem intermittent? When is the problem most frequent?, Has anything changed with the application since the last time the instrument was used?, etc.

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SERVICE INFORMATION

Warranty TEGAM, Inc. warrants this product to be free from defects in material and workmanship for a period of one year from the date of shipment. During this warranty period, if a product proves to be defective, TEGAM Inc., at its option, will either repair the defective product without charge for parts and labor, or exchange any product that proves to be defective. TEGAM, Inc. warrants the calibration of this product for a period of 6 months from date of shipment. During this period, TEGAM, Inc. will recalibrate any product, which does not conform to the published accuracy specifications. In order to exercise this warranty, TEGAM, Inc., must be notified of the defective product before the expiration of the warranty period. The customer shall be responsible for packaging and shipping the product to the designated TEGAM service center with shipping charges prepaid. TEGAM Inc. shall pay for the return of the product to the customer if the shipment is to a location within the country in which the TEGAM service center is located. The customer shall be responsible for paying all shipping, duties, taxes, and additional costs if the product is transported to any other locations. Repaired products are warranted for the remaining balance of the original warranty, or 90 days, whichever period is longer. Warranty Limitations The TEGAM, Inc. warranty does not apply to defects resulting from unauthorized modification or misuse of the product or any part. This warranty does not apply to fuses, batteries, or damage to the instrument caused by battery leakage. The foregoing warranty of TEGAM is in lieu of all other warranties, expressed or implied. TEGAM specifically disclaims any implied warranties of merchantability or fitness for a particular purpose. In no event will TEGAM be liable for special or consequential damages. Purchaser’s sole and exclusive remedy in the event any item fails to comply with the foregoing express warranty of TEGAM shall be to return the item to TEGAM; shipping charges prepaid and at the option of TEGAM obtain a replacement item or a refund of the purchase price.

Statement of Calibration This instrument has been inspected and tested in accordance with specifications published by TEGAM Inc. The accuracy and calibration of this instrument are traceable to the National Institute of Standards and Technology through equipment, which is calibrated at planned intervals by comparison to certified standards maintained in the laboratories of TEGAM Inc.

Contact Information: TEGAM INC.

10, TEGAM WAY GENEVA, OHIO 44041

PH: 440.466.6100 FX: 440.466.6110 CAGE Code: 49374

WEB: http://www.tegam.com