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ANECHOIC CHAMBERS Vol.1 1

CONTENTS

Anechoic Chamber (10m Method) • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Anechoic Chamber (3m Method) • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Small-sized Anechoic Chamber (3m Method) • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Anechoic Chamber Outline (3m/10m Method) • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Anechoic Chamber for EMI/Microwave/Anechoic Chamber for Microwave Ranges • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Radio wave absorbent box for microwave • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Electromagnetic Absorber • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

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2 ANECHOIC CHAMBERS Vol.1

Tokin EMC Engineering has over 20 years experience developing EMC-related anechoic cham-

bers, open field test sites, and shield rooms, including counter-EMC parts, measurement and

tests, countermeasure diagnosis operation, and radio wave absorbers. Our products are com-

pletely in-house designed, which allows us to meet all of customer requirements.

Design concept of open field test site conforming to various standards and regulations and devel-

opment of excellent Electromagnetic absorbers enable us to provide customers with user-friendly

anechoic chambers. We also meet customer needs for anechoic box (for microwave/experi-

ments), security shield rooms, and other items of special specifications.

Line-up:

Anechoic Chamber (3m/10m Method)

Anechoic Chamber (3m Method)

Small-sized Anechoic Chamber for EMI

Small-sized Anechoic Chamber for EMS/EMI

Anechoic Chamber for EMI/Microwave

Anechoic Chamber for Microwave Ranges

Various Electromagnetic Wave Absorbers

INTRODUCTION

(Kawasaki Anechoic Chamber)


Anechoic Chamber Business Profile

Anechoic Chambers by Frequency Ranges

'80 '86 '87 '90 '91 '94 '95 '96 '97 '98

Development of radio wave absorbers

FCC Listing (10m regulations)

Authorizations of anechoic chambers

TUV authorized

FIMKO accredited

DAR accredited

NAVLAP accredited

Development of non-flammableradio wave absorbers

FCC Listing (3m regulations) (Ferrite absorbers only)

Sales of anechoic chambers

Sales of open field test sites

10kHz 1MHz 30MHz 1GHz 18GHz 100GHz

Performance ranges of shield rooms

Ferrite radio wave absorbers

Ferrite/ urethane (non-flammable) matching type radio wave absorber

Urethane (non-flammable) radio wave absorber

Absorption performance of absorbersAnechoic chamber for EMC

Anechoic chamber for antenna evaluation (Pyramid type)

100mm t=6mm


● Qualified for various registrations (FCC filing, VCCI regis-

tration, DAR, NVLAP, A2LA, and NATA authorizations)

● Mainly composed by ferrite radio wave absorber (TFA).

Wide-ranged radio wave absorbency is available in com-

bination with radio wave matching devices.

● Barrier-free doors allowing for easy transportation of

large-sized devices

● Standard-equipped storage room for amplifiers for the use

in the immunity test

● Applicable to large-sized devices (maximum specification:

a turntable of 10 m in diameter/capacity of 20 tons)

● GP-IB controllable attached facilities allowing for auto-

matic instrumentation in a short time.

● Additional underground pit construction available for in-

stalling counter devices especially in the measuring test of

communication equipment (optional)


(Photo by Oki Engineering Co., Ltd.)

Features

Standard Specifications

Horizontal/Vertical ±3(at 30MHz to 18GHz)0 to 6(at 80 to 1000MHz)

(Floor type radio wave absorber)100(at 150kHz to 1000MHz)

60(at 1GHz to 18GHz)

100(at 14kHz to 10GHz)

Ferrite absorber (TFA) + EM wave absorber

8.0L✕ 5.0W✕ 3.1H

2.0W✕ 2.0H(Barrier-free structure)1.0W✕ 2.0H1.0W✕ 2.0H1.0 to 4.0

5 to 25(3-step selection, GP-IB control)

ITV system/interphonePower supply panel/filter panel/insulating transformer/lighting, etc.

21.0L✕ 13.5W✕ 8.5H

3.01000

1.0 to 4.0(3-step selection, GP-IB control)

22.0L✕ 14.0W✕ 8.5H

5.03000

0.5 to 2.0(3-step selection, GP-IB control)

Shield inside dimensions Site attenuation characteristicField distribution uniformity characteristic(IEC61000-4-3 conforming)Shield performance(MIL STD-285 conforming)Power shielding(MIL STD-220A conforming)Composit absorberMeasuring chamber shield inside dimensions (m)(including an amplifier room)Door dimensions (m)

Antenna lift

Turntable

Attached facilitiesPower supply

ALC-10U ALC-10UL(m)

(dB)(dB)

(dB)

(dB)

Anechoic chamber qAnechoic chamber wMeasuring room e

Lifting range (m) Lifting speed (sec/m)

Dimension (m)Load capacity (kg)

Rotating speed (rpm)

Type


● ALC-10UHorizontal polarization

Vertical polarization

Normalized Site Attenuation

10 meters method,HorizontalTx:1m / Rx:1 to 4m / Delta:1.5m

BBA9106/UHAPL9108A

Center

Front

Rear

Left

Right

+3dB

–3dB

30

Frequency(MHz)

35

25

15

5

–5

–15

–25

6

4

2

0

–2

–4

–6

Dev

iatio

n(dB

)N

SA

(dB

)

1000700500300200100705040


10 meters method,VerticalTx:1m / Rx:1 to 4m / Delta:1.5m

BBA9106/UHAPL9108A

Center

Front

Rear

Left

Right

+3dB

–3dB

35

25

15

5

–5

–15

–25

6

4

2

0

–2

–4

–6

Dev

iatio

n(dB

)N

SA

(dB

)

30

Frequency(MHz)

1000700500300200100705040

Site attenuation measuring method

D

D

D

D

D

FRONT

CENTER

LEFT

BACK

RIGHT

Measurement distance (D) : 10m

Transmitting antenna (Turn table)

Receiving antenna


● Qualified for various registrations (FCC Listing, VCCI ap-

proval)

● Using ferrite absorber (TFA) only which allows for various

standard certifications (ALC-3F). Additional radio wave

matching device (ALC-3N) is available for the frequency

ranges from 30 MHz to 18 GHz.

● Standard-equipped storage room for amplifiers for the

use in the immunity test.

● GP-IB controllable attached facilities for automatic instru-

mentation in a short time.

● Easy transportation of large-sized devices by adoption of

barrier-free type doors (optional)

A shortened dipole antenna is used for evaluating the site attenuation characteristic .

(Photo by PIONEER CORPORATION)

Features


(m)(dB)

(dB)

(dB)

(dB)

(m)

Anechoic chamber qAnechoic chamber wMeasuring room e

Lifting range (m)Lifting speed (sec/m)



Type Shield inside dimensionsSite attenuation characteristic(ANSI C63.4 sweep frequency)(1GHz and above: correlative with an open field test site)Field distribution uniformity characteristic(IEC61000-4-3 conforming)Shield performance(MIL STD-285 conforming)Power shielding(MIL STD-220A conforming)Radio wave absorber

Measuring chamber shield inside dimensions(including an amplifier room)Door dimensions(m)

Antenna lift

Turntable


±4(at 30MHz to 1GHz)

Ferrite radio wave absorber (TFA)


Ferrite radio wave absorber (TFA) + Radio wave matching device

(T=35cm)

0 to 6(at 80 to 1000MHz)(Floor type absorber )

100(at 150kHz to 1000MHz)60(at 1GHz to 18GHz)


5.0L✕ 4.0W✕ 3.1H

1.5W✕ 2.0H(barrier-free type door is optionally available)1.0W✕ 2.0H1.0W✕ 2.0H1.0 to 4.0

5 to 25(3-stage selection, GP-IB control)1.5500

1 to 3(3-stage selection, GP-IB control)ITV system/Interphone

Power supply panel/Filter panel/Insulating transformer/Lighting, etc.

9.2L✕ 6.2W✕ 5.6H 10.5L✕ 6.5W✕ 5.8HALC-3F ALC-3N


Ferrite radio wave absorber (TFA) + Radio wave matching device

(T=60cm, 1m)

ALC-3NH



● ALC-3NH

Horizontal polarization



3 meters method,HorizontalTx:1m / Rx:1 to 4m

BBA9106/UHAPL9108A

Center

Front

Rear

Left

Right

+3dB

–3dB

30 40 50 70 100 200 300 500 700 1000

Frequency(MHz)

30

20

10

0

–10

–20

–25

6

4

2

0

–2

–4

–6

Dev

iatio

n(dB

)N

SA

(dB

)


3 meters method,VerticalTx:1m / Rx:1 to 4m

BBA9106/UHAPL9108A

Center

Front

Rear

Left

Right

+3dB

–3dB

30 40 50 70 100 200 300 500 700 1000

Frequency(MHz)

30

20

10

0

–10

–20

–25

6

4

2

0

–2

–4

–6

Dev

iatio

n(dB

)N

SA

(dB

)

D

D

D

D

D

FRONT

CENTER

LEFT

BACK

RIGHT

Measurement distance (D) : 3m

Transmitting antenna (Turn table)

Receiving antenna

Site attenuation measuring method


● Exclusively for small-size. Standardized for the purpose offrequent use of EMI/EMS

● Thin type turntable design (approx. 20 cm) allowing for theflat floor. Also installable within an existing building (height:approx. 3.5 m)

● In EMI measurement in EMI specification (ALC-3SL/ALC-3S), correlation with actual results is easily obtained as theearth-reflected wave is utilized, as in the measurement atopen field test site. EMS specifications (ALC-3W) is suit-able to comparative measurement using correction valuesbecause of simplified application method.

● Ferrite radio wave absorber (TFA) is used to the frequencyup to 1 GHz. Additional radio wave matching devices areavailable for the frequency ranging from 30 MHz to 18 GHz.

● Non-flammable finishing material secures the safety ofhigh-frequency, high-output immunity tests

Small-sized Anechoic Chamber (3m Method)

(Photo by Sony Corporation)

Features


(m)(m)

(dB)

(dB)

(dB)

(dB)

(m)Lifting range(m)

Lifting speed(sec/m)Dimension(m)

Load capacity(kg)Rotating speed(rpm)

Type

Main supportShield inside dimensionsOutside dimensionsSite attenuation characteristics(comparison to a basic open field test site)

Field distribution uniformity characteristic(IEC61000-4-3 conforming)Shield performance(MIL STD-285 conforming)Power shielding (MIL STD-220A conforming)Radio wave absorberDoor dimensionsAntenna holding device

Turntable


W4.0✕ L7.0✕ H3.0W4.3✕ L7.3✕ H3.5

Horizontal: +/-4 (at 30 to 1000 MHz)Vertical: +/-4 (at 30 to 1000 MHz)

at 0.5 m from the center of the turntable

Horizontal: +/-6 (at 30 to 80 MHz)+/-4 (at 80 to 1000 MHz)

Vertical: +/-4 (at 30 to 1000 MHz)at 0.50 m from the center

of the turntable

100(at 150kHz to 1000MHz)


Ferrite radio wave absorber (TFA)W1.0✕ H2.0

1 to 2.230(GP-IB control)

1.2250

1/3(2-stage selection, G-IB control)ITV system/Interphone

Power supply panel/Filter panel/Insulating transformer/Lighting, etc.

EMS

+/-3 (at 30 to 1000 MHz)(including correction values)

at 0.5 m from the center of the turntable

0 to 6(at 80 to 1000MHz)

EMI

Optional0 to 6(at 80 to 1000MHz) (Floor type absorber)

W3.0✕ L7.0✕ H3.0W3.3✕ L7.3✕ H3.5

ALC-3SL ALC-3S ALC-3W


● ALC-3SHorizontal polarization


● ALC-3SLHorizontal polarization Vertical polarization

● ALC-3WField uniformity

Distance :Polarization :Tx. Height :Rx. Height :

:CENTER:FRONT:BACK

:LEFT:RIGHT:Reference (＋/－6.4dB) Antenna : BBA9106

3 mHorizontal1 m1-2.2 m

SIT

E

AT

TE

NU

AT

ION

(

dB

)

60

50

40

30

20

10

0

FAEQUENCY ( MHz )30 40 60 80 100 120 140 160 180 200 220 240 260 280 300


:CENTER:FRONT:BACK

:LEFT:RIGHT:Reference (＋/－4dB) Antenna : UHALP9108


SIT

E

AT

TE

NU

AT

ION

(

dB

)

60

50

40

30

20

10

0

FAEQUENCY ( MHz )300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000


:CENTER:FRONT:BACK

:LEFT:RIGHT:Reference (＋/－4dB) Antenna : BBA9109

3 mVertical1 m1-2.2 m

SIT

E

AT

TE

NU

AT

ION

(

dB

)

60

50

40

30

20

10

0

FAEQUENCY ( MHz )30 40 60 80 100 120 140 160 180 200 220 240 260 280 300


:CENTER:FRONT:BACK

:LEFT:RIGHT:Reference (＋/－4dB) Antenna : UHALP9108


SIT

E

AT

TE

NU

AT

ION

(

dB

)

60

50

40

30

20

10

0

FAEQUENCY ( MHz )300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000


:CENTER:FRONT:BACK



SIT

E

AT

TE

NU

AT

ION

(

dB

)

60

50

40

30

20

10

0

FAEQUENCY ( MHz )30 40 60 80 100 120 140 160 180 200 220 240 260 280 300


:CENTER:FRONT:BACK



SIT

E

AT

TE

NU

AT

ION

(

dB

)

60

50

40

30

20

10

0

FAEQUENCY ( MHz )30 40 60 80 100 120 140 160 180 200 220 240 260 280 300

DEV

TATI

ON

(dB

)

　

12

10

8

　6

　4

　2

0

FAEQUENCY ( MHz )30 40 60 80 100 120 140 160 180 200 220 240 260 280 300

：水平偏波：垂直偏波

DEV

TATI

ON

(dB

)

　

12

10

8

　6

　4

　2

0

FAEQUENCY ( MHz ) 300 350 400 450 500 550 600 　650 700 　750 800 850 900 950　1000

：水平偏波：垂直偏波


Antenna lift

Anechoicchamber

Anechoic Chamber Outline (3m/10m Method)

Noise filter panel

Shield door (standard type)

Measuringroom

Controller


Shield door (barrier-free type)

Insulating trans-former/CVCF

Turntable

Dual type (5m/2m)

(Effective dimensions: W3 x H3m)

(Photo by Oki Engineering Co., Ltd.)

Box for lighting and air-conditioningopening

(Bulb replacement with a powered lift)


Features

● Provided with both characteristics of complete anechoic

chamber which produces an pseudo-free space within the

microwave ranges, and semi-anechoic chamber which

enables EMI measurement (for 3m regulations), as the

radio wave absorber on the floor travels automatically.

● Wide range (30 MHz to 100 GHz) radio wave absorption

is achieved by matching technology of ferrite radio wave

absorber and the pyramid type urethane radio wave

matching device, as well as the design technology of

anechoic chambers.

● GP-IB controlled attached facility allowing for automatic

instrumentation in a short time

Anechoic Chamber for EMI/MicrowaveAnechoic Chamber for Microwave Ranges

(Photo by NEC Corporation)

(Photo by KOKUSAI ELECTRIC CO., LTD.)

● Applicable to designs and constructions in various speci-

fications

(Photo by NEC Corporation) Floor Traveling EMI measuring(Photo by NEC Corporation) (Photo by NEC Corporation)Floor Rising

● Anechoic chamber for microwave ranges (ALC-MX)

● Anechoic chamber for EMI/Microwave (ALC-ME)

Feature



Radio wave absorbent box for microwave

Summary

(m)

(dB)

(dB)

(dB)

(dB)

Lifting range (m)Lifting speed (sec/m)



Shield inside dimensions Quiet Zone

Site attenuation characteristic(ANSI C63.4 sweep frequency)Field distribution uniformity characteristic(IEC61000-4-3 conforming)Shield performance(MIL STD-285 conforming)Power shielding(MIL STD-220A conforming)Radio wave absorber

Door dimensions (m)

Antenna lift

Turntable


20.0L✕ 10.0W✕ 10.0HQuiet zone dimension. Diameter: 3 m

Pass length transmission distance: 10 m0.3 GH to 35 dB and below 1 GHz to 45 dB and below 10 GHz to 50 dB and below 50 GHz to 55 dB and below

EMI measurement for 3m regurations±3(at 30 to 1000MHz)

0 to 6(at 80 to 1000MHz) (Floor type radio wave absorber installation)

100(at 150kHz to 1000MHz)60(at 1GHz to 18GHz)


Ferrite radio wave absorber (TFA) + Pyramid type urethane radio wave matching device

3.0W✕ 2.0H1.0W✕ 2.0H1.0 to 4.0

5 to 25(GP-IB control)1.5250

1/3(3-stage selection, GP-IB control)

8.0L✕ 4.0W✕ 4.0HQuiet zone dimension. Diameter: 1 m

Pass length transmission distance: 3.5 m0.8 GHz to 25 dB and below 1 GHz to 30 dB and below 10 GHz to 40 dB and below 50 GHz to 45 dB and below

Optional 60(at 1GHz to 18GHz)

Optional 100(at 14kHz to 10GHz)

Pyramid type urethane radio wave absorber

1.0W✕ 2.0H1.0W✕ 2.0H

ITV system/InterphonePower supply panel/Filter panel/Insulating transformer/Lighting, etc.

ALC-ME ALC-MXType

Minimum frequencyLongest distance between transmitter/ receiver (m)Radio wave absorberOutside dimensions (m)Shield performanceShield inside dimensions (m)Effective dimensions (m)Openings (mm)

Portability

0.8GHz ~1.125 (3λ at 800MHz)Pyramid type (TUP-30)L2.05 × W1.05 × H1.05

60dB and above (at 800Hz)2.0 × 1.0 × 1.01.7 × 0.4 × 0.4

400 × 400, 400 × 400(Two openings)

MWT-Model-8001.5GHz~

0.6 (3λ at 1.5GHz)Pyramid type (TUP-20)L1.25 × W0.65 × H0.65

60dB and above (at 1.5GHz)1.2 × 0.6 × 0.60.8 × 0.2 × 0.2

600 × 600(One opening)

Truckles

MWT-Model-15003.0GHz~

0.3 (3λ at 3GHz)Pyramid type (TUP-10)L0.65 × W0.35 × H0.35

40dB and above (at 3.1GHz)0.6 × 0.3 × 0.30.4 × 0.1 × 0.1

420 × 180(One opening)

MWT-Model-3000Product name

Suitable for the research and development, test, and adjust-

ment of the next generation's wireless communication systems.

Features

● Cellular antennas (surface/ satellite (IMT-2000)) (0.8 to 2.2GHz)

● Stationary satellite communications (GPS) (1.5GHz -/ 5.1GHz - )

● Wireless LAN (2.4GHz - / 5.1GHz - /19.1GHz - )

● Automatic toll collection systems (ETC-electronic toll col-

lection system) (5.6GHz - )

● Satellite broadcasting (BS/ CS) (11.7GHz - )

● Intelligent Transport Systems (ITS) (60GHz)

Enables good reproducibility as a distance of more than 3 is

secured between a receiver and a transmitter. Available for

adjustment or test of antenna measuring wireless devices.

Application examples for microwave R&D:


For microwave rangesTUPPyramid type urethane foam radio wave absorber with high

return lossApplicable to an anechoic chamber designed for the basic measure-

ment such as radiation, propagation and reflection of electromagnetic

waves

Flat surface walkway type coated with radio wave transparent material

is also available.

For EMI measurement TFARadio wave absorber in tile shape utilizingmagnetic core loss of sintered ferrite body. Simplified anechoic cham-ber for EMI can be constructed with TFA alone.

TUPFPyramid-type matching device of soft urethane foam. Ap-plied in combination with TFA.Suitable to measurement of ultra-wide band. High return loss isachieved particularly in the frequency range of 1 GHz and over.

TUA / TUHAWedge-type matching device of soft urethane foam. Appliedin combination with TFA.Suitable to measurement of ultra wide band. TUHA is a hollow, low-cost type.

Radio Wave Absorber for Anechoic Chamber

TCW / TDWWedge-type ceramic matching device. Applied in combination with TFA.Completely non-flammable with high performance in withstanding power

TCW/TDW/TRUW

TUA

TUHA

TFA

TUP

TUPF

* Urethane foam is made from ether, thus free from deterioration by hydrolysis.

TRUWHard urethane foam matching device. Applied in combination with TFA.

Characteristics

ApplicationsBasic material

Temperature (˚C)Heat resistance (˚C)

Frequency/absorbency*2

LengthWeight *3

Broadband, Long stability, Pyramid-type, high absorbency

Basic measurement, Antenna measurement, Anechoic chamberUrethane foam*4

–40 to +120˚C+120˚C

*1 Temperature of ferrite tile characteristic. *2 Major characteristics (from separate specifications) *3 Except ferrite tiles (from separate specifications)*4 Free from deterioration by hydrolysis as it is ethereous.

–20dB

–30dB

–40dB

–

–

30MHz

100MHz

300MHz

–

–

30MHz

100MHz

300MHz

–

–

TUP-20

1.0GHz

1.5GHz

2.0GHz

20cm

1.2kg

TUP-30

700MHz

1.0GHz

1.5GHz

30cm

1.7kg

TUP-45

350MHz

700MHz

1.2GHz

45cm

2.5kg

TUP-60

250MHz

500MHz

1.0GHz

60cm

3.0kg

TUP-100

150MHz

300MHz

500MHz

100cm

4.6kg

TUP-150

100MHz

200MHz

350MHz

150cm

7.0kg

TUP-10

2.0GHz

3.0GHz

4.0GHz

10cm

0.7kg

TCW-100

–20dB

–25dB

–25dB

100cm

2.4kg

TDW-125

–20dB

–28dB

–30dB

125cm

2.9kg

TRUW-150

–22dB

–25dB

–30dB

150cm

1.1kg

Withstanding power, Inflammability, Long stability, Wedge-typeEMC, Basic measurement, Antenna measurement, Anechoic chamberCeramic fiber (plate shape)

–20 to +50˚C (ferrite composite) *1

+1,000˚C and above (basic material)

Withstanding power, Flame-retardancy, Long stability, Wedge-type

Ceramic fiber sheet/ hard urethane foam composite plate *4

+1000 (ceramic sheet)/ +120 (hard urethane)

TUP TCW/TDW TRUWProduct name

Specifications


Applicable to characteristic improvement of antenna for microwave band, reduc-tion of radar sections and measures against various radio wave failures.

UFThree-layered radio wave absorber of ure-

thane foamReturn loss is acquired by changing the dielectric

loss of each layer.

UF-WA radio wave absorber with excellent weath-

erability. The UF is covered by the FRP sheet.FRPs on the radio wave receiving side are superior

in mechanical strength and radio wave reflection

characteristics. Products are available in various

shapes.

RSResonance radio wave absorber with rub-ber sheetExcellent weatherability supported by various cases

of outdoor use Special adhesion process is re-

quired to sustain the performance and to prevent the

detachment during long-term service.

Radio Wave Absorber for Microwave

UWRadio wave absorber of urethane foam insurface wave form.Applicable to an anechoic chamber for microwave

band.

UW UF

UF-W RS

Characteristics

Applications

Basic materialBasic formTemperatureTensile strengthFrequency/ absorbency

ThicknessWeight

Urethane-flat, FRP covering,

High weatherability/ durability

Improvement of antenna performance, various

measures against jammingUrethane foam

60cm flat sheet–40 to +120˚C

10kg/cm2

Urethane-flat, Low cost

Improvement of antenna performance, various

measures against jammingUrethane foam

60cm flat sheet–40 to +120˚C

1kg/cm2

Rubber sheet, High weatherability/ durability

Improvement of antenna performance, various measures against jamming

Chloroprene rubber30cm flat sheet–35 to +130˚C

90kg/cm2

Waveform urethane foam,

High absorbency, Broadband

Microwave anechoic chamber, improvement of antenna performance, various measures against jamming

Urethane foam60cm waveform

–40 to +120˚C1kg/cm2

UW-54GHz to /

–20dB5cm

0.6kg

UW-7.53GHz to /

–20dB7.5cm0.9kg

UW-102.5GHz to /

–20dB10cm1.2kg

UF-302GHz to /

–20dB3cm

0.3kg

UF-601GHz to /

–20dB6cm

0.7kg

UF-1200.5GHz to /

–20dB12cm1.3kg

OUF-302GHz to /

–20dB3.1cm0.4kg

OUF-601GHz to /

–20dB6.1cm0.8kg

OUF-1200.5GHz to /

–20dB12.1cm1.5kg

RS-33±0.1GHz/

–20db0.59cm1.3kg

RS-55.6±0.1GHz/

–20db0.41cm1.0kg

RS-99.4±0.1GHz/

–20db0.23cm0.56kg

RS-4064 to 6GHz/

–20db0.9cm1.4kg

RS-5085 to 8GHz/

–20db0.7cm1.1kg

RS-8138 to 13GHz/

–20db0.5cm0.7kg

UW UF UF-W RSProduct name


Comparison between Types and Places of EMC Measurement and Test

Electromagnetic Susceptibility (Immunity)

: Test on resistance against electrostatic discharge caused by contact of humanbody with the electrical appliance or its periphery (IEC 61000-4-2, etc.)

: Test on resistance against communication signal wave for the electricalappliance or electromagnetic wave radiated from other electrical appliances(IEC 61000-4-3, etc.)

: Test on resistance against noise conducted to the electrical appliance throughits power or signal cable (IEC 61000-4-4, etc.)

: Test on resistance against lightning surge conducted to the electrical appliancethrough its power or signal cable (IEC 61000-4-5, etc.)

: Test on resistance against radio frequency conducted to the electrical appliancethrough its power or signal cable (IEC 61000-4-6, etc.)

: Test on resistance of the electrical appliance against magnetic field caused bynormal commercial frequency at 50 or 60 Hz (IEC 61000-4-8, etc.)

: Test on resistance of the electrical appliance against fluctuation of supplyvoltage (IEC 61000-4-11, etc.)

Electrostatic discharge immu-nity test

Radiated radio frequencyelectromagnetic field immunitytest

Electrical fast transient/burstimmunity test

Surge immunity test

Immunity to conducted distur-bances test

Power frequency magnetic fieldimmunity test

Voltage dips, short interruptions andvoltege variations immunity test

Dark room toelectromagnetic

waves Open site Shield roomGeneral

environment

Conducted emittions

Radiated emittions (electric field)

Radiated emittions (magnetic field)

Power emittions

Harmonic current emittions

Voltage fluctuations and flicker

Electrostatic discharge immunity test

Radiated radio frequency electromagnetic field immunity test

Electrical fast transient/burst immunity test

Surge immunity test

Immunity to conducted disturbances test

Power frequency magnetic field immunity test

Voltage dips, short interruptions and voltege variations immunity test

Electromagnetic Interference (EMI)

Electromagnetic Susceptibility (EMS)


Electromagnetic Interference (Emittion Noise)

Limits of Electromagnetic Interference

: Electromagnetic noise conducted and emitted from the power cable ofan electrical appliance (FCC/VCCI/CISPR)

: Electromagnetic noise radiated from an electrical appliance (FCC/VCCI/CISPR)

: Electromagnetic noise radiated from an electrical appliance (ElectricalAppliance and Material Control Law/CISPR)

: Electromagnetic noise radiated from the power or communication cableof an electrical appliance (Electrical Appliance and Material ControlLaw/CISPR/EN)

: Checking higher harmonics conducted from the power cable of anelectrical appliance (IEC/EN)

: Checking fluctuation of power supply voltage by current conduction toan electrical appliance (IEC/EN)

Conducted emittions

Radiated emittions (electricfield)

Radiated emittions (magneticfield)

Power emittions

Harmonic current emittions

Voltage fluctuations and flicker

dB

80

70

60

50

40

30

20

10

MHz10 100 1000

Class A 3m (VCCI)

Class A 10m / Class B 3m (VCCI)

Class B 10m

dB

100

80

60

40

20

MHz0.1 1 10 100

Class A Q.P

Class A A.V

Class B Q.P

Class B A.V

dB

80

70

60

50

40

30

20

10

MHz10 100 1000 10000 100000

Class B 3m

Class A 10m

dB

100

80

60

40

20

MHz0.1 1 10 100

Class A

Class B

• Radiated Emissions VCCI/CISPR22/EN55022

• Conducted Emissions VCCI/CISPR22/EN55022

FCC FCC

• The names of the products and the specifications in this catalog are subject to change without notice for the sake of improvement. The manufacturer also reserves the right to discontinue any of these products. At the time of delivery, please ask for specifications sheets to check the contents before use.

• Descriptions in this catalog regarding product characteris-tics and quality are based solely on discrete components. When using these components, be sure to check the specifications with the component in question mounted on the products.

• The manufacturer’s warranty will not cover any disadvan-tage or damage caused by improper use of the products that deviates from the characteristics, specifications, or conditions for use described in this catalog.

• The products in this catalog are intended for use in ordinary electronic products. If any of these products are to be used in special applications requiring extremely high reliability, where product defects might pose a safety risk, please consult your TOKIN sales representatives.

• Though the manufacturer has taken all possible precau-tions to ensure the quality and reliability of its products, improper use of products may result in bodily injury, fire, or similar accident. If you have any questions regarding the use of the products in question, please consult your TOKIN sales representatives.

• Please be advised that the manufacturer accepts no responsibility for any infraction by users of the manufacturer’s products on third party patents or indus-trial copyrights. The manufacturer is responsible only when such infractions are attributable to the structural design of the product and its manufacturing process.

• Should any of these products be considered as strategic goods, and thereby governed by foreign exchange or foreign trade regulations, the Government of Japan will require an export license before said products can be exported outside Japan.

• This catalog is current as of July 2002.

Precautions

©2002 NEC TOKIN Corporation

For inquiry, Please call Sales Promotion Department (Japan)Phone: 81-3-3402-6179 Fax: 81-3-3402-6172

0000000000000000 Mar. 25, 2002 00000Printed in Japan

http://www.nec-tokin.comhttp://www.nec-tokin.com

International Business Headquarters5-8, Kita-Aoyama 2-chome, Minato-ku, Tokyo 107-8620, JapanPhone:81-3-3402-6179 Fax:81-3-3402-6172

Seoul Branch#512-1, Korea City Air Terminal Bldg., 159-6, Samsung-Dong, Kangnam-ku, Seoul, KoreaPhone:82-2-551-3651 Fax:82-2-551-3650

NEC TOKIN America Inc. (Headquarters & Western Area Sales)32950 Alvarado-Niles Road, Suite 500, Union City, California 94587, U.S.A.Phone:1-510-324-4110 Fax:1-510-324-1762

Eastern Area Sales Office (Chicago Office)9820 Capitol Drive, Wheeling, Illinois 60090, U.S.A.Phone:1-847-215-8802 Fax:1-847-215-8804

Southwest Regional Sales (San Diego Office)2945 Harding Street, Suite 211, Carlsbad, California 92008, U.S.A.Phone:1-760-434-5044 Fax:1-760-434-5045

Southeast Regional Sales (Tampa Office)5440 Mariner Street, Suite 207, Tampa, Florida 33609, U.S.A.Phone:1-813-281-1183 Fax:1-813-281-2544

NEC TOKIN Hong Kong Ltd.Level 3, Suite 301, Festival Walk, 80 Tat Chee Avenue, Kowloon Tong, Kowloon, Hong KongPhone:852-2730-0028 Fax:852-2375-2508

NEC TOKIN Shanghai Co., Ltd.Room 1508, Rui Jin Bldg., 205 Mao Ming Road (South), Shanghai 200020, P.R.ChinaPhone:86-21-6415-0602 Fax:86-21-6472-6655

NEC TOKIN Shenzhen Co., Ltd.Room 512-515, Office Tower, Shin Hing Square, Di Wang Commercial Centre, Shenzhen, P.R.ChinaPhone:86-755-246-5011 Fax:86-755-588-2680

NEC TOKIN Singapore Pte. Ltd.180 Cecil Street, #14-01/04 Bangkok Bank Building, Singapore 069546Phone:65-6223-7076 Fax:65-6223-6093

Malaysia BranchUnit B-07-12, Block B, Plaza Mont’ Kiara, 2, Jalan 1/ 70C, 50480 Kuala Lumpur, MalaysiaPhone:60-3-6201-0702 Fax:60-3-6201-0712

Bangkok Representative OfficeNo.1308, B.B.Bldg., 54 Asoke Road, Sukhumvit 21, Bangkok 10110, ThailandPhone:66-2-260-7017 Fax:66-2-260-7016

NEC TOKIN Taiwan Co., Ltd.4FL., No.9, Lane 3, Minsheng W. Road, Jungshan Chiu, Taipei 104, Taiwan, R.O.C.Phone:886-2-2521-3998 Fax:886-2-2521-3993

NEC TOKIN Europe GmbHHellersbergstrasse. 14, 41460 Neuss, GermanyPhone:49-2131-1866-0 Fax:49-2131-1866-18

UK BranchECC Berkshire House, 252-256 Kings Road, Reading, Berkshire, RG1 4HP, U.KPhone:44-(0)-118-953-3722/3723 Fax:44-(0)-118-953-3724

0001NTAC14VOL01E April 5, 2002 H7HP1Printed in Japan

vol - emc計測・診断・電波暗室,中国ccc強制認証 … chambers vol.1 1 contents anechoic...

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