edt016 - wulfsberg · 2.1.1 refer to the ntx403 service manual, ... c265 5.6pf c267 2.0pf c271...

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Service Bulletin # SM64\603-0002

of 3 Jul 14, 2009 ENG-FORM: 603-0133.DOT

CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

Additional Information Northern Airborne Technology will supply the required parts at no charge to an approved dealer or service depot.

1.7 Special Equipment Required None.

1.8 Weight and Balance No effect.

1.9 Electrical Load Data No effect.

1.10 References NTX403 Service Manual: SM64 Section 5, Maintenance. Section 6, Drawings.

1.11 Other Publications Affected None. The next edition of the service manual will include the changes described in this bulletin.

2. Procedure Instructions

2.1 Modification Procedure 2.1.1 Refer to the NTX403 Service Manual, Section 5, for details regarding disassembly and

reassembly. 2.1.2 On the NTX403-2 Transmitter subassembly, primary side, install R247, referencing the

PCB Modifications drawing (NTX403-2\971-0). 2.1.3 On the NTX403-5 Main Receiver subassembly, primary side, remove and retain R575.

Referencing the PCB Modifications drawing (NTX403-5\971-0), install R575 and C654. 2.1.4 Clean and conformal coat all affected areas. Reassemble the unit.

2.2 Testing Procedure 2.2.1 Refer to the NTX403 Service Manual, Section 5 and/or the relevant manual supplement

for the complete test procedures.

2.3 Identification Procedure Locate the mod status tag on the product and apply a permanent marking on the 3 to indicate MOD 3 has been incorporated.

Service Bulletin # SM64\603-0002

Jul 14, 2009 of 3 ENG-FORM: 603-0133.DOT


3. Material Information The following parts are required to modify one NTX403-xxx to MOD 3 status. IDENT

DESCRIPTION

MFR. P/N OR VALUE

PACKAGE

NAT P/N

QTY

C654 SM, Ceramic, 100V 0.01 pF 1206 11-06-103 1R247 SM, Carbon Film, 1/8 W, 5% 47 kOhm 1206 70-50-474 1

4. Reference Documents The following documents are required to complete the modification. If additional documents are required refer to the applicable service manual. DOCUMENT REV. DESCRIPTION TYPENTX403-2 NTX403-2\401-0 1.20 NTX403 Transmitter Subassembly SchematicNTX403-2\701-0 1.20 NTX403 Transmitter Subassembly Parts ListNTX403-2\924-0 1.20 NTX403 Transmitter Subassembly Component LocatorNTX403-2\971-0 1.10 NTX403 Transmitter Subassembly PCB ModificationsNTX403-5 NTX403-5\401-0 1.20 NTX403 Main Receiver Subassembly SchematicNTX403-5\701-0 1.10 NTX403 Main Receiver Subassembly Parts ListNTX403-5\924-0 1.10 NTX403 Main Receiver Subassembly Component LocatorNTX403-5\971-0 1.00 NTX403 Main Receiver Subassembly PCB Modifications

Service Bulletin ends after the above listed drawings

NORTHERN AIRBORNE TECHNOLOGY LTD.

REV. SHEET

DWG. NO.DWG. TYPEFILE

DESIGNED

DRAWN

DATE

CHECKED

APPROVEDSIZE CAGE CODE PART NO.

TITLE

B 3AB01

CONFIDENTIAL AND PROPRIETARY TO NAT LTD.

MLN/RB

DW

OCT 23/02

401-0.SCH SCHEMATIC NTX403-2\401-0

DATA

CLOCK

LOCK DETECT

PLL REF

VCO TUNE

VCO TUNE

R200

100k

R201100k

R202100k

R211

22.6k

R208

75

R204

2.2k

R223

806R218

2.05k

R2142.67k

R216301

R220

2.37k

R219

2.05k

R21747

R212

2.67k

R209

75

R210

75

R203

10k

R205

15k

R206

15k

R224

2.67k

R215

301

R213

301

R222

4.7k

C200

470pF

+5.0V

C201

0.01uF

C2041uF

+5.0V

C203

470pF

DS200GREEN

C208

470pF

+5.0V

C209470pF

-6 dB

C210

470pF

C205

47pF

C206

47pF

+15V UNSW

N/C

C212

0.1uF

C211470pF C202

220uF

+15V UNSW

C216

1.0uF

C217

0.1uF

C218

0.01uF

N/C

C213

470pF

C215220uF

R221

0.00

+5.0V

C214

470pF

C207

10uF

R20747

+5.0V

TP1

W20L300

POWER AMP

CTCSS

DPTT

CLOCK

PLL REF

TX HI/LO PWR

PLL ENABLE

DATA

TX AUDIO MOD

LOCK DETECT

+15V UNSW

+24V SWITCHED

+24V PWR AMP

1+24V SWITCHED2TX AUDIO MOD

3+24V PWR AMP

4TX HI/LO PWR5DPTT

6AGND

7DATA GND8+24V PWR AMP

9-5.0V

10PLL ENABLE11CLOCK

12DATA

13S/R ENABLE14+15V UNSW

15CTCSS16LOCK DETECT

17PLL REF

18RESERVED

18 PIN IDC

J202

TO SHEET 2

REF OUT1

LD2

Pr3

Pv4

VPD5

PD OUT6

GND7

Rx8

TEST19

F in-10

F in11

Vcc(AMP)12

TEST213

Vdd14

OUT B15

OUT A16

ENABLE17

CLK18

DATA IN19

REF IN20

U207MC145193F

PHASE-LOCKED LOOP

C273

47pF

C275

0.1uF

C27410uF

R261

47

C276

N/I

C278

0.01uF

C277

220uFC245

4.7uF

+5.0V

+15V UNSWR260

22

Vin1

GND

2

OUT3

TAB

4

U206

MIC2954-02BS

C282

470pF

C281470pF

R263

220k

2

13

Q202

MMBT3904LT1 2

13

Q203

MMBT3904LT1

2

13

Q201

MMBT3904LT1

2

13

Q200

MMBT3904LT1

2

1 3

Q205MMBT3906LT1

2

13

Q207MMBT3904LT1

2

13 Q206

MMBT3906LT1

2

13

Q204

MMBT3906LT1

P24

GND

6

SUM1

P13

U204JPS-2-1W

PLL ENABLE

TX AUDIO MOD

0

TUNE P1

2

10

12

13

11

RF OUTP2

346

VCC

P3

7

8

U205

V440MC02

17 17

18

18

R266

4.7k

R26512k

R2681.0M

R267

330

C284

0.01uF

C283

150pF

CTCSS

TO SHEET 3

DATA14

CLK11

RESET10

ST12

OE13

Q115

Q21

Q32

Q43

Q54

Q65

Q76

Q87

O9

VCC

16

GND

8

U209

74HC595

CLOCK

DATA

S/R ENABLE

S/R ENABLE

R270

100k

+5.0V

+5.0V

+5.0V

C287

0.1uF

2

13

Q212MMBT3904LT1

2

13

Q211

MMBT3906LT1

R2694.7k

R271

10k

R272

100k

R273

1.0k

+5.0V

C285

0.1uF

TX VCO ENABLE

R274

N/I

TP2

TP3

TO SHEET 3

TO J704 OF NTX138-7U

NOTES: UNLESS OTHERWISE SPECIFIED

1. ALL RESISTANCE IN OHMS.

2. N/I = NOT INSTALLED.

REV DESCRIPTION

REVISIONS

DATE BY

1.10 ECR# 2419 - ADDED C289, C239 WAS 470 pF. JUN 5/03 JN

1.20 DOCCR00943 - R247 ADDED. JUL 6/09 BKV

NTX403-21.20 1/3

NTX403 TRANSMITTER SUBASSEMBLYFREQUENCY SYNTHESIZER

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REV. SHEET


DESIGNED

DRAWN

DATE

CHECKED


TITLE

B 3AB01


MLN/RB

DW

OCT 23/02

401-1110.SCH SCHEMATIC NTX403-2\401-1

NTX403-21.20 2/3

NTX403 TRANSMITTER SUBASSEMBLY

3

21

84

U203A

SSM2275S

5

6

7

U203BSSM2275S

2

3

1

D200BAT54A

R2434.7k

R245

100k

R242

100k

R23933k

R241

100k

R231

100k

R23033k

R24433k

R240

33k

R238

10k

R237

10k

R23253.6

R23410

R233

10

C219

680pF

C221

0.1uF

C220680pF

C223

0.1uF

C227

0.1uF

C222

0.1uF

C224

0.1uF

C2350.1uF

RF FWD PWR

TX HI/LO PWR

PWR CTRL

C2260.01uF

C228

0.01uF

+15V UNSW

+15V UNSW

C225

0.1uF

+15V UNSW

INHI2

VPOS

1

VOUT8

VSET7

COMM6

PWDN

5

INLO3

VPOS4

U208

AD8313

+5.0V

+5.0V

CW

13

2 R235

10k

+5.0V

CW

13

2R236

50k

R229

10k

R22553.6

R22710

R226

10

C233

680pF

C231

0.1uF

C232680pF

C2290.1uF

C2300.1uF

RF REV PWR

INHI2

VPOS

1

VOUT8

VSET7

COMM6

PWDN

5

INLO3

VPOS4

U202AD8313

+5.0V

+5.0V

CW

13

2 R228

10k

+5.0V

FORWARD POWER CONTROL

REVERSE POWER CONTROL

L2071uH

+15V UNSW

R264

10k

FROM SHEET 1

FROM SHEET 3

FROM SHEET 3

TO SHEET 3

HIGH PWR ADJUST

LOW PWR ADJUST

RFL PWR ADJUST

2

13

Q208

MMBT3904LT1

2

13

Q209

MMBT3904LT1

RF POWER CONTROL

C289

1000pF

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REV. SHEET


DESIGNED

DRAWN

DATE

CHECKED


TITLE

B 3AB01


MLN/RB

DW

OCT 23/02

NTX403-2\401-2SCHEMATIC401-2110.SCH

NTX403-21.20 3/3

NTX403 TRANSMITTER SUBASSEMBLY

W80L25

W80L120

W80

L100W80L80

W100L80

W80

L525

W100L125

W80

L125

W80

L450

POWER AMP

C2373.9pF

C240470pF

C238

3.9pF

C236

3.9pF

C242

2.0pF

C250470pF

C249120pF

C248

120pF

C2510.01uF

C288

18pF

C241

470pF

C243

11pF

R246

110

R2501.00k

R253100

R252

68

R25182

R254

82

R255

22

L200

8.0nH

W100L200

W100L325

W80L365

W80L550

W80L75

W80L745

W80L155

W80L480

W100L200

W80

L135

C25447pF

C25718pF

C268

75pF

C26613pF

C2655.6pF

C267

2.0pF

C2718.2pF

C263

8.2pF

L20212.5nH

L203

5.0nH

L2045.0nH

L2055.0nH

L201

8.0nH

C2649.1pF

C2629.1pF

C2613.6pF

W80

L290

W80

L285

W80L200

W80L360

W20L165

W80

L150

W80

L373

W80L620

W80G25

3-STRIPS

L500

C2566.2pF

C2583.9pF

C2592.2pF

C2603.3pF

15

16

47 1

235

6K200

RG1ET-12V

C270

3.6pF

C26956pF

R25768

R256100

R25882

L20690nH

C253

0.01uF

C252

470pF

W80L140

C25515pF

C239220pF

CW

13

2 R24910k

R24822.6k

RF FWD PWR

C272470pF

+24V PWR AMP

PWR CTRL

1 3

42

U200ERA-5SM

RF REV PWR

C244N/I

+24V SWITCHED

C280

0.01uFR262

82

C2790.01uF

C246470pF

22

2 2 2 3 3 3

3

3 3

3

3

4 4

4

4

5 5 5

5

6

66

6

666

6

677

77

8899

9

9

10

10

11

11

11 11 12 12

12

12

12

12

12

12

12

13

13

13

13 14

14

14

14

5

3

4

J200

J201

+24V SWITCHED

C2860.7pF

FROM SHEET 1

FROM SHEET 2

TO SHEET 2

TO SHEET 2

W80

L300

C247

N/I

3

1

4

2

3

5

U201

MHL8118

2

5

1,3,4,6

Q210MRF166C

DPTT

R25968

C2340.01uF

+15V UNSW

1

32

D201

MMBD914

FROM SHEET 1

PREAMPLIFIER

DRIVER AMPLIFIER

POWER AMPLIFIER

TO ANTENNA

NOMINAL IMPEDANCE: 50 OHMS

TO J501 OF NTX403-5

RF POWER AMPLIFIER

R24747k

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NTX403-2

NTX403-2\701-0

NTX403 Transmitter Subassembly

Rev: 1.20

NAT Part #:

Document#:

PARTS LIST

Description:

Prepared By: Checked By: Approved By:

Note: Alternate manufacturers' part numbers may be used. Consult NAT for approved alternate parts.

IDENT DESCRIPTIONMFR. P/NOR VALUE PACKAGE NAT P/N QTY.

CAPACITORS

C200 SM, Ceramic, 50 V 470 pF 0603 11-02-471 10

C201 SM, Ceramic, 50 V 0.01 uF 0603 11-02-103 4

C202 SM, Aluminum Electrolytic, 35V 220 uF AE-G 11-76-227 3

C203 SM, Ceramic, 50 V 470 pF 0603 11-02-471

C204 SM, Tantalum Molded, 16 V 1.0 uF 3216 11-51-105 1

C205 - C206 SM, Ceramic, 50 V 47 pF 0603 11-02-470 3

C207 SM, Tantalum Molded, 16 V 10 uF 3528 11-49-106 2

C208 - C211 SM, Ceramic, 50 V 470 pF 0603 11-02-471

C212 SM, Ceramic, 50 V 0.1 uF 0805 11-00-104 3

C213 - C214 SM, Ceramic, 50 V 470 pF 0603 11-02-471

C215 SM, Aluminum Electrolytic, 35V 220 uF AE-G 11-76-227

C216 SM, Film, 50 V 1.0 uF 2824 11-29-105 1

C217 SM, Film, 50 V 0.1 uF 1913 11-24-104 1

C218 SM, Film, 50 V 0.01 uF 1206 11-22-103 1

C219 - C220 SM, Ceramic, 50 V 680 pF 0603 11-02-681 4

C221 - C224 SM, Ceramic, 16 V, X7R, 5% 0.1 uF 0603 11-17-104 11

C225 SM, Ceramic, 50 V 0.1 uF 0805 11-00-104

C226 SM, Ceramic, 50 V 0.01 uF 0603 11-02-103

C227 SM, Ceramic, 16 V, X7R, 5% 0.1 uF 0603 11-17-104

C228 SM, Ceramic, 50 V 0.01 uF 0603 11-02-103

C229 - C231 SM, Ceramic, 16 V, X7R, 5% 0.1 uF 0603 11-17-104

C232 - C233 SM, Ceramic, 50 V 680 pF 0603 11-02-681

C234 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103 2

C235 SM, Ceramic, 50 V 0.1 uF 0805 11-00-104

C236 - C238 SM, Ceramic, 50 V 3.9 pF 1206 11-05-399 4

C239 SM, Ceramic, 200 V 220 pF 1206 11-07-221 1

C240 - C241 SM, Ceramic, 200 V 470 pF 1206 11-07-471 3

C242 SM, Ceramic, 500 V 2.0 pF 1210 11-13-209 2

C243 SM, Ceramic, 500 V 11 pF 1210 11-13-110 1

C244 NOT INSTALLED N/A


C246 SM, Ceramic, 200 V 470 pF 1210 11-12-471 3


C248 - C249 SM, Ceramic, 300 V 120pF 1210 11-32-121 2

C250 SM, Ceramic, 200 V 470 pF 1210 11-12-471

C251 SM, Ceramic, 50 V 0.01 uF 1210 11-10-103 4

C252 SM, Ceramic, 200 V 470 pF 1210 11-12-471

Rev: 1.20 Jul 06, 2009 Page 1 of 4


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NTX403-2 Parts List

C253 SM, Ceramic, 50 V 0.01 uF 1210 11-10-103

C254 SM, Ceramic, 500 V 47 pF 1210 11-13-470 1

C255 SM, Ceramic, 500 V 15 pF 1210 11-13-150 1

C256 SM, Ceramic, 500 V 6.2 pF 1210 11-13-629 1

C257 SM, Ceramic, 500 V 18 pF 1210 11-13-180 2

C258 SM, Ceramic, 50 V 3.9 pF 1206 11-05-399

C259 SM, Ceramic, 50 V 2.2 pF 1206 11-05-229 1

C260 SM, Ceramic, 50 V 3.3 pF 1206 11-05-339 1

C261 SM, Ceramic, 500 V 3.6 pF 1210 11-13-369 2

C262 SM, Ceramic, 500 V 9.1 pF 1210 11-13-919 2

C263 SM, Ceramic, 500 V 8.2 pF ATCB 11-13-829 2

C264 SM, Ceramic, 500 V 9.1 pF 1210 11-13-919

C265 SM, Ceramic, 500 V 5.6 pF ATCB 11-13-569 1

C266 SM, Ceramic, 500 V 13 pF 1210 11-13-130 1

C267 SM, Ceramic, 500 V 2.0 pF 1210 11-13-209

C268 SM, Ceramic, 500 V 75 pF 1210 11-13-750 1

C269 SM, Ceramic, 50 V 56 pF 1206 11-05-560 1

C270 SM, Ceramic, 500 V 3.6 pF 1210 11-13-369

C271 SM, Ceramic, 500 V 8.2 pF ATCB 11-13-829

C272 SM, Ceramic, 200 V 470 pF 1206 11-07-471

C273 SM, Ceramic, 50 V 47 pF 0603 11-02-470

C274 SM, Tantalum Molded, 16 V 10 uF 3528 11-49-106




C278 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

C279 - C280 SM, Ceramic, 50 V 0.01 uF 1210 11-10-103

C281 - C282 SM, Ceramic, 50 V 470 pF 0603 11-02-471

C283 SM, Ceramic, 50 V 150 pF 0603 11-02-151 1

C284 SM, Ceramic, 50 V 0.01 uF 0603 11-02-103


C286 SM, Ceramic, 500 V 0.7 pF 1210 11-13-079 1


C288 SM, Ceramic, 500 V 18 pF 1210 11-13-180

C289 SM, Ceramic, 50 V 1000 pF 0805 11-00-102 1

DIODES

D200 SM, Rectifier, Schottky BAT54A SOT-23 74-30-054 1

D201 SM, Small Signal, Silicon MMBD914 SOT-23 74-00-301 1

DISPLAYS

DS200 SM, LED, Green BG1101WTR 1101W 47-83-001 1

CONNECTORS

J200 Coaxial, Socket, BNC, RA, PCB Mount 20-56-000 1

J201 Coaxial Jack, PC Mount SSMB 20-60-000 1

J202 Strip Plug, Dbl Row Straight, PC Mnt 18 Pin 20-00-018 1

RELAYS

K200 RG Series, 1 Pole, 2 Position RG1ET-12V 65-40-012 1

Rev: 1.20 Jul 06, 2009 Page 2 of 4



NTX403-2 Parts List

INDUCTORS

L200 - L201 SM, Inductor, Air Core 8.0 nH A 35-63-000 2

L202 SM, Inductor, Air Core 12.5 nH A 35-63-125 1

L203 - L205 SM, Inductor, Air Core 5.0 nH A 35-63-002 3

L206 SM, Inductor, Air Core 90 nH 132-SM 35-63-003 1

L207 SM, Inductor 1 uH 1008 35-62-102 1

TRANSISTORS

Q200 - Q203 SM, Bi-Polar, Small Signal, NPN MMBT3904LT1 SOT-23 76-03-904 8

Q204 - Q206 SM, Bi-Polar, Small Signal, PNP MMBT3906LT1 SOT-23 76-01-906 4

Q207 - Q209 SM, Bi-Polar, Small Signal, NPN MMBT3904LT1 SOT-23 76-03-904

Q210 MOSFET, RF Power, N-Channel,Enhancement

MRF166C 319-07 77-09-000 1

Q211 SM, Bi-Polar, Small Signal, PNP MMBT3906LT1 SOT-23 76-01-906

Q212 SM, Bi-Polar, Small Signal, NPN MMBT3904LT1 SOT-23 76-03-904

RESISTORS

R200 - R202 SM, Thick Film, 1/16 W, 5% 100 kOhm 0603 70-60-104 9

R203 SM, Thick Film, 1/16 W, 5% 10 kOhm 0603 70-60-103 6

R204 SM, Thick Film, 1/16 W, 5% 2.2 kOhm 0603 70-60-222 1

R205 - R206 SM, Thick Film, 1/16 W, 5% 15 kOhm 0603 70-60-153 2

R207 SM, Thick Film, 1/16 W, 5% 47 Ohm 0603 70-60-470 3

R208 - R210 SM, Thick Film, 1/16 W, 5% 75 Ohm 0603 70-60-750 3

R211 SM, Metal Film, 1/8 W, 1% 22.6 kOhm 1206 70-54-2264 2



R214 SM, Thick Film, 1/16 W, 1% 2.67 kOhm 0603 70-58-2673

R215 - R216 SM, Thick Film, 1/16 W, 1% 301 Ohm 0603 70-58-3012

R217 SM, Thick Film, 1/16 W, 5% 47 Ohm 0603 70-60-470

R218 - R219 SM, Thick Film, 1/16 W, 1% 2.05 KOhm 0603 70-58-2053 2


R221 SM, Thick Film, 1/16 W, 1% 0.00 Ohm 0603 70-58-0000 1




R225 SM, Thick Film, 1/16 W, 1% 53.6 Ohm 0603 70-58-5361 2

R226 - R227 SM, Thick Film, 1/10 W, 5% 10 Ohm 0603 70-60-100 4

R228 SM, Trim Pot, Top Adjust 10 kOhm 3269W 60-21-103 3

R229 SM, Thick Film, 1/16 W, 5% 10 kOhm 0603 70-60-103



R232 SM, Thick Film, 1/16 W, 1% 53.6 Ohm 0603 70-58-5361

R233 - R234 SM, Thick Film, 1/10 W, 5% 10 Ohm 0603 70-60-100

R235 SM, Trim Pot, Top Adjust 10 kOhm 3269W 60-21-103

R236 SM, Trim Pot, Top Adjust 50 kOhm 3269W 60-21-503 1

R237 - R238 SM, Thick Film, 1/16 W, 5% 10 kOhm 0603 70-60-103






R246 SM, Carbon Film, 1/2 W, 5% 110 Ohm 2010 70-52-112 1

Rev: 1.20 Jul 06, 2009 Page 3 of 4



NTX403-2 Parts List

R247 SM, Carbon Film, 1/8 W, 5% 47 kOhm 1206 70-50-474 1

R248 SM, Metal Film, 1/8 W, 1% 22.6 kOhm 1206 70-54-2264

R249 SM, Trim Pot, Top Adjust 10 kOhm 3269W 60-21-103





R254 SM, Carbon Film, 1/8 W, 5% 82 Ohm 1206 70-50-821







R261 SM, Thick Film, 1/16 W, 5% 47 Ohm 0603 70-60-470

R262 Silicone, Axial, 3 W, 5% 82 Ohm 70-05-820 1






R268 SM, Thick Film, 1/16 W, 5% 1.0 MOhm 0603 70-60-105 1






R274 NOT INSTALLED N/A

INTEGRATED CIRCUITS

U200 SM, Amp, Monolithic ERA-5SM 54-10-005 1

U201 Amp, Monolithic MHL8118 Case 448-02 54-10-000 1

U202 SM, RF Log Detector/Contoller AD8313 uSOIC-8 34-57-8313 2

U203 SM, Op-Amp, Dual SSM2275S SO-8 34-02-227 1

U204 SM, RF Splitter, 2 Port JPS-2-1W 54-02-210 1

U205 Oscillator, Voltage Controlled, RF V440MC02 MINI-14S 54-09-000 1

U206 SM, Regulator, Fixed +5V MIC2954-02WS SOT-223 34-23-005 1

U207 SM, PLL Synthesizer MC145193F SO-20 34-60-193 1

U208 SM, RF Log Detector/Contoller AD8313 uSOIC-8 34-57-8313

U209 SM, CMOS, 8 Bit Shift Register 74HC595 SO-16 31-13-595 1

MECHANICAL PARTS

M201 PCB, Transmitter, NTX403 Rev 1.00 15-NX-402 1

End of Parts List

Rev: 1.20 Jul 06, 2009 Page 4 of 4

CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.Generated by Nat Parts List ManagerENG-FORM: 701-0123.DOT


REV. SHEET


DESIGNED

DRAWN

DATE

CHECKED


TITLE

B 3AB01


R509

33

L507

1uH

L5081uH

C5241000pF

C5230.1uF

+12.0V

C525N/I

C527

5.6pF

C526

150pF

C528

N/I

C529

220pF

R512

2.7k

G2

G1

DS

Q503

BF994S

R513

4.7k

R516

0.0

R514

33k

C533

10pF

C534

8.2pF

C530

1000pF

+12.0V

C531

1000pF

C532

1000pF

C538

22pF

C541

1000pF

C536

1000pF

C5421000pF

OSC

6

OSC

7

IN A

1

IN B

2

OUT A

4

OUT B

5

VCC8GND

3

U502

SA602

C537

10pF

+5.0V

C539

220pF

C543

330pF

C54456pF

C545100pF

C546

120pF

2nd IF FILTER

FILTER TERM./AMP90 MHz CRYSTAL FILTER

C517220pF

C521

470pF

C522

1000pF

C503220pF C504

47pF

C50610pF

C513150pF

C511

560pF

C508

0.01uF

C510

560pF

R501

12k

R50212k

R503

12k

R505

12k

TP501RF TUNING VOLTAGE

L521

150nH

+12.0V

R507330

C514

220pF

TP502

+12.0V

R508

12k

R5046.8k

C507220pF

CONTIN

C502

4.7pF

C505

N/I

C516

N/I

C509

10uF

RF AMPLIFIER

RF BANDPASS FILTER

VOLTAGE TUNABLE

R517

22k

TP505

21.4 MHz IF

21.4 MHz

TP504

90 MHz IFTP50390 MHz IF

R510

100k

R511

100k

G2G1

DS

Q501

BF994S

RX RF TUNE

C632

10uF

C633

10uF

C634

10uF

C641220pF

C643

1000pF

1

TO J401

LOCAL OSCILLATOR

12

34JP503

TO SHEET 2R605820

1.20

NOV 14/02

RB

DW

1/4

SCHEMATIC

NTX403-5

401-0.SCH

NTX403 MAIN RECEIVER SUBASSEMBLY

WIDE/NAR AUDIO BW

MAIN RX ACTIVE

SCAN SQUELCH

SQ DISABLE

+15.0V

MAIN RX AUDIO

RX RF TUNE

CLOCK

LOAD PLL

SYNTH SERIAL DATA

PLL REF

RX LOCK DETECT

DCS DATA OUT

1+15.0V

2MAIN RX ACTIVE

3DATA GND

4DATA GND

5MAIN RX AUDIO6DCS DATA

7WIDE/NAR RX BW

8SCAN SQUELCH

9RX RF TUNE

10SQ DISABLE

11SYNTH SERIAL CLOCK12SYNTH SERIAL DATA

13PLL ENABLE

14LOAD PLL S/R

15RESERVED SPARE

16PLL REF

17RESERVED SPARE18RX LOCK DETECT

J504

18 PIN IDC

TO J703, NTX138-7U

NTX403-4

NTX403-2

2

J510

JP504

N/I

JP505

+5.0V

JP506

N/I

NOTES: UNLESS OTHERWISE SPECIFIED

1. ALL RESISTOR VALUES IN OHMS

2.

2.

GUARD RECEIVER

INSTALLED

NOT INSTALLED

1-2 SHORTED

1-3 SHORTED

2,4 OPEN

3-4 SHORTED

JP503

3.

3.

DF OPTION JP505

INSTALLED

NOT INSTALLED

SHORTED

OPEN

DF - IF OUTPUT

VOLTAGE

DF REFERENCE

AGC DF

CONTROL

VOLTAGE

TO SHEET 3

FROM SHEET 2

TO SHEET 3

FROM SHEET 4

FROM SHEET 2

FROM SHEET 2

TO SHEET 3

FROM SHEET 3

TO SHEET 2

TO SHEET 2

TO SHEET 3

TO SHEET 2

SECOND MIXER

C540N/I

C5645.5-30pF

L503

12.5nHL502

8.0nH

C501N/I

C515

5.5-30pF

L5058.0nH

C6141000pF

C625

220pF

C637

220pF

C500220pF

+5.0V

L501

150nH

NTX403-5\401-0

1

2

34

5

67

8

U504RF2304

IF4

GND1

LO6

RF3

GND2

GND5

U509ADE-13

C596

10pF

L504

270nH

L506

1uH

RX RF TUNE

C587

N/I

C591

4.7pF

C6184.7pF

L50012.5nH

C617

2.2pF

C645220pF

C646220pF

R59633

R595

180

R597

180

J503

N/I

J509IF OUTPUT

J502

N/I

J501

TO J201

RF SPLITTER

L516

N/I

21.4 MHz CRYSTAL FILTERIF BUFFER AMP

Y501

68.6MHz

L510288nH

L511288nH

L512288nH

D501

SMV1236-011

D503

SMV1236-011

D502SMV1236-011

L5131uH

L5141uH

3

12

Q502

J308 FL502A

TE5190FL502BTE5190

L509288nH

FL501A

TE10450

FL501B

TE10450

SUM

1

P2

4

GND6

P1

3

25

U514

JPS-2-1W

S/R ENABLE

C628

100pF

C62933pF

L522

18nH

C627

4.7pF

L523

22nH

C626

6.8pF

C512

470pF

RESERVED SPARE FROM SHEET 2

TO SHEET 3

1.10 ECR #2351 - C625 WAS 8.2pF, R504 WAS 3.3k, DEC 03/02 DW

L517 & L520 WERE 12nH.

REVISIONS

REV DESCRIPTION DATE BY

1.20 DOCCR00943 - ADDED C654. JUL 06/09 BKV

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REV. SHEET


DESIGNED

DRAWN

DATE

CHECKED


TITLE

B 3AB01


MIX IN 1

1

BASE

2

2nd EMITTER

5

2nd LO BASE

6

VCC

8

METER DRIVE

12

CARRIER DETECT

13

LIM

ITER DCPL

10

LIM

ITER DCPL

11

QUAD COIL

14

MIX OUT 2

7

LIM

ITER IN

9

VEE20

-OP AMP IN

15

OP AMP OUT

19

AUDIO

16

COMP IN

17

COMP O/P

18

MIX IN 2

22

MIX IN 2

21

MIXER O/P 1

23

1st LOTANK

26

MIX IN 1

28

U503

MC3363DW

C552

0.01uF

C553

0.1uF

C555

22pF

C554

22pF

C556

0.1uF

C5590.22uF

C557

0.22uF C560

0.22uF

C547

0.1uF

C548

0.1uFC550

0.1uF

C561

0.22uF

C55810uF

R520

22k

R522

10k

+5.0V

R523

39k

C549

0.01uF

C551

2.2uFR519

10

R518

10k+5.0V

C578

0.047uF

R545470k

R543

1.5k

+5.0V

R542470k

SQ ADJUST

R541820

R53947k

C577

1.0uF

C572

0.1uF

C569

0.1uFR533

10k

R532

10k

+12.0VR536

100k

C571

470pF

C570470pF

R535

2.2k

R5344.7k

C568

0.1uF

C566

470pFC565

1000pF

C567

1000pF

C563

0.01uF

R5284.7k

R531

220k

R529330k

R524

3.3k

R530

10k

+5.0V

BANDPASS FILTER NETWORK

C585

0.1uF

+12.0V

C584

150pF

C583

0.1uF

C582

1000pF

C581

0.22uF

R5604.7k

R558

10k

R557

22k

R559

10k

+12.0V

R561

220k

C586

0.47uF

8 9

6

U507D

MC14066BD

43

5

U507C

MC14066BD

R546

10k

R547

33k

C579

0.1uF

C580

0.1uF

R548

56k

R549

18k

+5.0V

+5.0V

NOISE SQUELCH DETECTOR

SQUELCH COMPARATOR

BUFFER/LOWPASS FILTER

C562

0.22uF

SCAN SQUELCH

JP501

DCS TEST

DCS DATA OUT

1 5

32 4

FL503

455KHZ

R550

100k

R55122k

R5408.2k

TP509NOISE SQ

1 2

13

14

7

U507A

MC14066BD

1110

12

U507B

MC14066BD

+5.0V

R553

10k

+5.0V

R552

10k

+5.0V

SQ DISABLE

+12.0V

MAIN RX ACTIVE

JP502

N/I

R538

220k

R537

68k

C576

0.1uF

+12.0V

C574

220pF

C575

1500pF

C573

0.22uF

TP508

BFP OUT

21.4 MHz

FM AUDIO

TP507

FM AUDIO

+5.0V

C63510uF

C642

5.5-30pF

R606

100k

R607

22k

+12.0VR5658.2k

WIDE/NAR AUDIO BW

t

RT50110k

+5.0V

R593

1M

1.20

NOV 14/02

RB

DW

2/4

SCHEMATIC

NTX403-5

401-1.SCH NTX403-5\401-1


FM IF

LIMITER/DETECTOR

FAST

SCAN

ADJ

R594

22k

+5.0V

FROM SHEET 1

TO SHEET 1

TO SHEET 1

TO SHEET 1

FROM SHEET 1

FROM SHEET 1

FROM SHEET 1

MAIN RX AUDIO

D505

MMBD914

D504

MMBD914

CW

13

2R54410K

CW

13

2

R521100K

3

1

2

6

4

8 7

L515455 KHz

3

2

1

48

U505A

SSM2135S

5

6

7

U505BSSM2135S

3

2

1

48

U506A

SSM2135S

5

6

7

U506B

SSM2135S

5

67

U508B

SSM2135S

3

2

1

48

U508A

SSM2135S

13

2

Y502

20.945MHz

IF IN

TP510

455KHz

RESERVED SPARE

R563

N/ITO SHEET 1

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REV. SHEET


DESIGNED

DRAWN

DATE

CHECKED


TITLE

B 3AB01


1.20

NOV 14/02

RB

DW

3/4

SCHEMATIC

NTX403-5

401-2.SCH NTX403-5\401-2


C611

1000pF

C609

0.1uF

+5.0V C612

470uF

R578

10

+5.0V

C610

0.01uF

C535

1.0uF

R5884.7k

R589

56.2k

C588

0.022uF

C619

0.01uF

TP511

TP512

TP513

VCO CONTROL VOLTAGE

ERROR SIGNAL LOOP FILTER

PLL REF

LOAD PLL

CLOCK

SYNTH SERIAL DATA

C606

1000pFR570

220

R571

10C6070.01uF

C608100uF

R

V

R572

100K

R573

100KR574

100K

+5.0V +5.0V +5.0V

R575

100k

R57622k

R577

470

DS501GREEN

C613

1.0uF

+5.0V

C5980.1uF

C5970.1uF

C5990.1uF

+5.0V+12.0V

POWER SUPPLY

+15.0V

C636

100uF

R60110

+5.0V

R6022.2

C639

47uF

C640

10uF

R604

2.2

C638

470uF

+15.0V

R603

47

C6441000pF

R608

0.0

Vin1

GN

D2

OUT3

TA

B4

U510

LM340T-12

RX LOCK DETECT

PLL FREQUENCY SYNTHESIZERFROM SHEET 1

TO SHEET 1

ALL 4 SIGNALS

C647N/I

R581

806R592

2.49k

R580

2.67k

R591

2.49k

R583

47

R587

2.67k

R579

15k

R586

15k

R5062.67k

R569301

R582

301

R5904.7k

C518

47pF

C601

47pF

+15.0V

C589

0.1uF

C600

470pF

C520

470uF

+15.0V

C615

47pF

C652

1000pF

OSCILLATOR

C650

0.01uF

Vin1

GN

D2

OUT3

TA

B4

U511

MIC2954-02BS

C519

1000pF

C651

100pF

PLL OSC

C649

100uF

C648

100uF

REF OUT1

LD2

Pr3

Pv4

VPD5

PD OUT6

GND7

Rx8

TEST19

F in-10

F in11

Vcc(AMP)12

TEST213

Vdd14

OUT B15

OUT A16

ENABLE17

CLK18

DATA IN19

REF IN20

U513

MC145193F

FROM SHEET 4

TO SHEET 4

FREQUENCY SYNTHESIZER

R526

0.0

+5.0V

DATA14

CLK11

RESET10

ST12

OE13

Q115

Q21

Q32

Q43

Q54

Q65

Q76

Q87

O9

VC

C16

GN

D8

U501

74HC595

CLOCK

S/R ENABLE

R556

100k

+5.0V

+5.0V

+5.0V

C6310.1uF

2

13

Q513

MMBT3904LT1

2

13

Q504MMBT3906LT1

R515

4.7k

R55410k

R562100k

R5251k

+5.0V

RX VCO ENABLE

R555N/I

10

TUNE 3

9

15

13

12

14

RF OUT1

8 7 6

VC

C2

5

4

1611

U516

UMZ-313-D16

SYNTH SERIAL DATA

VCO TUNE

VCO TUNE

2

13

Q508

MMBT3904LT1

2

13

Q509

MMBT3904LT1

2

13

Q506

MMBT3904LT1

2

13

Q505

MMBT3904LT1

2

13

Q510

MMBT3904LT1

2

13

Q507

MMBT3906LT1

2

13

Q512

MMBT3906LT1

2

13

Q511

MMBT3906LT1

VOLTAGE CONTROLLED OSCILLATOR

PHASE LOCK LOOP

VCO CONTROL

PLL CHARGE PUMP

RX LOCK DETECT INDICATOR

FROM SHEET 1ALL 3 SIGNALS

C654

0.01pF

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REV. SHEET


DESIGNED

DRAWN

DATE

CHECKED


TITLE

B 3AB01


1.20

NOV 14/02

RB

DW

4/4

SCHEMATIC

NTX403-5

401-3.SCH NTX403-5\401-3


C6301000pF

C6243.9pF

C6221000pF

C6231.5pF

C6164.7pF

L520

8.2nH

L518

8.2nH

C6032.2pF

C605N/I

C604

4.7pF

C5921000pF

C5941.5pF

C593

4.7pF

C595

5.6pF

L517

8.2nH

LOW PASS FILTER

R584

61.9

R600

100

R585

100

OSCILLATOR

C590

1000pF

L519

1uH

+12.0V

RX RF AMP

C602

1000pF

R527

100

R598

61.9

R599

100

C653

1000pF

C621

1000pF

R567

10

R566

470

R568

470

SUM1

PORT24

GN

D6

PORT13

5 2

U512

ADP-2-1W

LOCAL OSCILLATOR

TO SHEET 1

C620

0.1uF

PLL OSC

FROM SHEET 3

TO SHEET 3

R564

270

1 3

42

U515

SGA 3486

J508

N/I

ATTENUATOR

FILTER

LOCAL OSCILLATOR DISTRIBUTION

9DB

SPLITTER

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NTX403-5

NTX403-5\701-0

NTX403 Main Receiver Subassembly

Rev: 1.10

NAT Part #:

Document#:

PARTS LIST

Description:

Prepared By: Checked By: Approved By:

Note: Alternate manufacturers' part numbers may be used. Consult NAT for approved alternate parts.


CAPACITORS

C500 SM, Ceramic, 50 V 220 pF 1206 11-05-221 13


C502 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479 7

C503 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C504 SM, Ceramic, 50 V 47 pF 1206 11-05-470 4


C506 SM, Ceramic, 50 V 10 pF 1206 11-05-100 4

C507 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C508 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103 8


C510 - C511 SM, Ceramic, 100 V 560 pF 1206 11-06-561 2

C512 SM, Ceramic, 50 V 470 pF 1206 11-05-471 6

C513 SM, Ceramic, 50 V 150 pF 1206 11-05-151 3

C514 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C515 SM, Variable, 100V 5.5-30 pF 11-98-300 2


C517 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C518 SM, Ceramic, 50 V 47 pF 1206 11-05-470

C519 SM, Film, 50 V 1000 pF 0805 11-23-102 1

C520 SM, Aluminum Electrolytic, 25V 470 uF AE-G 11-75-478 2

C521 SM, Ceramic, 50 V 470 pF 1206 11-05-471

C522 SM, Ceramic, 50 V 1000 pF 1206 11-05-102 24

C523 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104 21

C524 SM, Ceramic, 50 V 1000 pF 1206 11-05-102


C526 SM, Ceramic, 50 V 150 pF 1206 11-05-151

C527 SM, Ceramic, 50 V 5.6 pF 1206 11-05-569 2


C529 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C530 - C532 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C533 SM, Ceramic, 50 V 10 pF 1206 11-05-100

C534 SM, Ceramic, 100 V 8.2 pF 1206 11-06-829 1

C535 SM, Film, 50 V 1.0 uF 2824 11-29-105 1

C536 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C537 SM, Ceramic, 50 V 10 pF 1206 11-05-100

C538 SM, Ceramic, 50 V 22 pF 1206 11-05-220 3

C539 SM, Ceramic, 50 V 220 pF 1206 11-05-221

Rev: 1.10 Jul 06, 2009 Page 1 of 7


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NTX403-5 Parts List


C541 - C542 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C543 SM, Ceramic, 50 V 330 pF 1206 11-05-331 1

C544 SM, Ceramic, 50 V 56 pF 1206 11-05-560 1

C545 SM, Ceramic, 100 V 100 pF 1206 11-06-101 3

C546 SM, Ceramic, 50 V 120 pF 1206 11-05-121 1

C547 - C548 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C549 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

C550 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104


C552 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

C553 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C554 - C555 SM, Ceramic, 50 V 22 pF 1206 11-05-220

C556 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C557 SM, Ceramic, 50 V 0.22 uF 1206 11-01-224 7


C559 - C562 SM, Ceramic, 50 V 0.22 uF 1206 11-01-224

C563 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

C564 SM, Variable, 100V 5.5-30 pF 11-98-300

C565 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C566 SM, Ceramic, 50 V 470 pF 1206 11-05-471

C567 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C568 - C569 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C570 - C571 SM, Ceramic, 50 V 470 pF 1206 11-05-471

C572 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C573 SM, Ceramic, 50 V 0.22 uF 1206 11-01-224

C574 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C575 SM, Ceramic, 50 V 1500 pF 1206 11-05-152 1

C576 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C577 Tantalum Dipped, 35 V 1.0 uF T352 10-18-105 1

C578 SM, Ceramic, 50 V 0.047 uF 1206 11-05-473 1

C579 - C580 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C581 SM, Ceramic, 50 V 0.22 uF 1206 11-01-224

C582 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C583 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C584 SM, Ceramic, 50 V 150 pF 1206 11-05-151

C585 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C586 Ceramic Dipped, 50 V 0.47uF C330 10-09-474 1


C588 SM, Film, 50 V 0.022 uF 1210 11-21-223 1

C589 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C590 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C591 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479

C592 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C593 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479

C594 SM, Ceramic, 50 V 1.5 pF 1206 11-05-159 2

C595 SM, Ceramic, 50 V 5.6 pF 1206 11-05-569

C596 SM, Ceramic, 50 V 10 pF 1206 11-05-100

C597 - C599 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C600 SM, Ceramic, 50 V 470 pF 1206 11-05-471

C601 SM, Ceramic, 50 V 47 pF 1206 11-05-470

C602 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C603 SM, Ceramic, 50 V 2.2 pF 1206 11-05-229 2

Rev: 1.10 Jul 06, 2009 Page 2 of 7



NTX403-5 Parts List

C604 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479


C606 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C607 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103


C609 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C610 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

C611 SM, Ceramic, 50 V 1000 pF 1206 11-05-102



C614 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C615 SM, Ceramic, 50 V 47 pF 1206 11-05-470

C616 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479

C617 SM, Ceramic, 50 V 2.2 pF 1206 11-05-229

C618 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479

C619 SM, Film, 50 V 0.01 uF 1206 11-22-103 1

C620 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C621 - C622 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C623 SM, Ceramic, 50 V 1.5 pF 1206 11-05-159

C624 SM, Ceramic, 50 V 3.9 pF 1206 11-05-399 1

C625 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C626 SM, Ceramic, 50 V 6.8 pF 1206 11-05-689 1

C627 SM, Ceramic, 50 V 4.7 pF 1206 11-05-479

C628 SM, Ceramic, 100 V 100 pF 1206 11-06-101

C629 SM, Ceramic, 200 V 33 pF 1206 11-07-330 1

C630 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C631 SM, Ceramic, 50 V, 10% 0.1 uF 1206 11-05-104

C632 - C635 SM, Tantalum Molded, 35 V 10 uF 7343 11-63-106


C637 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C638 Aluminum Electrolytic, 16 V 470 uF 10-31-477 1

C639 Tantalum Dipped, 20 V 47 uF T352 10-17-476 1


C641 SM, Ceramic, 50 V 220 pF 1206 11-05-221

C642 Variable, Ceramic, Green 5.2-30 pF 5 mm 10-99-250 1

C643 - C644 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C645 - C646 SM, Ceramic, 50 V 220 pF 1206 11-05-221


C648 - C649 SM, Tantalum Molded, 16 V 100 uF 6032 11-51-107

C650 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

C651 SM, Ceramic, 100 V 100 pF 1206 11-06-101

C652 - C653 SM, Ceramic, 50 V 1000 pF 1206 11-05-102

C654 SM, Ceramic, 100 V 0.01 uF 1206 11-06-103

DIODES

D501 - D503 SM, Varactor SMV1236-011 SOD-323 74-04-004 3

D504 - D505 SM, Small Signal, Silicon MMBD914 SOT-23 74-00-301 2

DISPLAYS

DS501 SM, LED, Green BG1101WTR 1101W 47-83-001 1

Rev: 1.10 Jul 06, 2009 Page 3 of 7



NTX403-5 Parts List

FILTERS

FL501A Filter Crystal 90 MHz M2 (x2) 21-06-450 1

FL501B PART OF 21-06-450 90 MHz M2 (x2) 21-06-450

FL502A Filter, Crystal 21.4MHz M1, UM-1 X 2 21-06-190 1

FL502B PART OF 21-06-190 21.4MHz M1, UM-1 X 2 21-06-190

FL503 Filter, IF, Ceramic, 455 kHz, 6 Pole 22-75-455 1

CONNECTORS

J501 Coaxial Jack, PC Mount SSMB 20-60-000 2

J502 - J503 NOT INSTALLED N/A

J504 Strip Plug, Dbl Row Straight, PC Mnt 18 Pin 20-00-018 1

J505 - J507 NOT ISSUED N/A

J508 NOT INSTALLED N/A

J509 Coaxial Jack, PC Mount SSMB 20-60-000

J510 Strip Socket, Single Row Straight, PCMn

2 Pin 20-09-002 1

JUMPERS

JP501 Strip Plug, Sgl Row Straight, PC Mnt 2 Pin 20-03-002 2

JP502 NOT INSTALLED N/A

JP503 Strip Plug, Dbl Row Straight, PC Mnt 4 Pin 20-00-004L 1


JP505 Strip Plug, Sgl Row Straight, PC Mnt 2 Pin 20-03-002


INDUCTORS


L501 SM, Inductor 150 nH 1008 35-62-151 2


L503 SM, Inductor, Air Core 12.5 nH A 35-63-125

L504 SM, Inductor 270 nH 1008 35-62-271 1

L505 SM, Inductor, Air Core 8.0 nH A 35-63-000

L506 - L508 SM, Inductor 1 uH 1008 35-62-102 4

L509 - L512 Variable, Black 288 nH 7 mm/4 hole 35-45-291 4

L513 - L514 Inductor, Variable, Top Adjust 1 uH 35-45-202 2

L515 Coil, Variable, 455kHz, 0.64 mH RMC-502182NO 35-25-455 1

L516 NOT INSTALLED N/A

L517 - L518 SM, Inductor 8.2 nH 1008 35-62-080 3

L519 SM, Inductor 1 uH 1008 35-62-102

L520 SM, Inductor 8.2 nH 1008 35-62-080

L521 SM, Inductor 150 nH 1008 35-62-151

L522 SM, Inductor 18 nH 1008 35-62-180 1

L523 SM, Inductor 22 nH 1008 35-62-220 1

TRANSISTORS

Q501 SM, Dual Gate MOSFET, RF BF994S SOT-143 76-29-994 2

Q502 JFET, N-Channel J308 TO-92 77-32-308 1

Q503 SM, Dual Gate MOSFET, RF BF994S SOT-143 76-29-994

Q504 SM, Bi-Polar, Small Signal, PNP MMBT3906LT1 SOT-23 76-01-906 4

Q505 - Q506 SM, Bi-Polar, Small Signal, NPN MMBT3904LT1 SOT-23 76-03-904 6

Q507 SM, Bi-Polar, Small Signal, PNP MMBT3906LT1 SOT-23 76-01-906

Rev: 1.10 Jul 06, 2009 Page 4 of 7



NTX403-5 Parts List

Q508 - Q510 SM, Bi-Polar, Small Signal, NPN MMBT3904LT1 SOT-23 76-03-904

Q511 - Q512 SM, Bi-Polar, Small Signal, PNP MMBT3906LT1 SOT-23 76-01-906

Q513 SM, Bi-Polar, Small Signal, NPN MMBT3904LT1 SOT-23 76-03-904

RESISTORS

R501 - R503 SM, Carbon Film, 1/8 W, 5% 12 kOhm 1206 70-50-124 5

R504 SM, Carbon Film, 1/8 W, 5% 6.8 kOhm 1206 70-50-683 1

R505 SM, Carbon Film, 1/8 W, 5% 12 kOhm 1206 70-50-124





R510 - R511 SM, Carbon Film, 1/8 W, 5% 100 kOhm 1206 70-50-105 11




R515 SM, Carbon Film, 1/8 W, 5% 4.7 kOhm 1206 70-50-473

R516 SM, Carbon Film, 1/8 W, 5% 0.0 Ohm 1206 70-50-000 3





R521 Trim Pot, Vert., Top Adj. 100 kOhm 3296W 60-47-105 1





R526 SM, Carbon Film, 1/8 W, 5% 0.0 Ohm 1206 70-50-000

R527 SM, Metal Film, 1/8 W, 1% 100 Ohm 1206 70-54-1002 4





R532 - R533 SM, Carbon Film, 1/8 W, 5% 10 kOhm 1206 70-50-104











R544 Trim Pot, Vert., Top Adj. 10 kOhm 3296W 60-47-104 1









Rev: 1.10 Jul 06, 2009 Page 5 of 7



NTX403-5 Parts List
























R582 SM, Metal Film, 1/8 W, 1% 301 Ohm 1206 70-54-3010


R584 SM, Metal Film, 1/8 W, 1% 61.9 Ohm 1206 70-54-6190 2

R585 SM, Metal Film, 1/8 W, 1% 100 Ohm 1206 70-54-1002






R591 - R592 SM, Metal Film, 1/8 W, 1% 2.49 kOhm 1206 70-54-2491 2

R593 SM, Carbon Film, 1/8 W, 5% 1.0 MOhm 1206 70-50-106 1





R598 SM, Metal Film, 1/8 W, 1% 61.9 Ohm 1206 70-54-6190

R599 - R600 SM, Metal Film, 1/8 W, 1% 100 Ohm 1206 70-54-1002


R602 Carbon Film, 1/4 W, 5% 2.2 Ohm RC05 70-01-220 2

R603 Carbon Film, 1/4 W, 5% 47 Ohm RC05 70-01-471 1

R604 Carbon Film, 1/4 W, 5% 2.2 Ohm RC05 70-01-220




R608 SM, Carbon Film, 1/8 W, 5% 0.0 Ohm 1206 70-50-000

RT501 Thermistor, NTC 10 kOhm 70-40-103 1

Rev: 1.10 Jul 06, 2009 Page 6 of 7



NTX403-5 Parts List

INTEGRATED CIRCUITS

U501 SM, CMOS, 8 Bit Shift Register 74HC595 SO-16 31-13-595 1

U502 SM, Active Mixer SA602AD/01 SO-8 34-35-602 1

U503 SM, Receiver, FM IF MC3363DW SOL-28 34-63-363 1

U504 SM, Amplifier, Wideband, RF RF2304 SOIC-8 34-42-304 1

U505 - U506 SM, Op-Amp, Dual SSM2135S SO-8 34-02-135 3

U507 SM, CMOS, Quad Switch MC14066BD SO-14 31-10-066 1

U508 SM, Op-Amp, Dual SSM2135S SO-8 34-02-135

U509 SM, Mixer ADE-13 CD541 54-05-002 1

U510 Regulator, Continuous Fixed, +V LM340T-12 TO-220 32-10-012 1

U511 SM, Regulator, Fixed +5V MIC2954-02WS SOT-223 34-23-005 1

U512 SM, Splitter, Power, 2 Way ADP-2-1W CD636 54-02-001 1

U513 SM, PLL Synthesizer MC145193F SO-20 34-60-193 1

U514 SM, RF Splitter, 2 Port JPS-2-1W 54-02-210 1

U515 SM, RF Amp, Monolithic SGA-3486 SOT-86 54-10-3486 1

U516 SM, Oscillator, Voltage Controlled 493-602 MHz D16 54-09-313 1

CRYSTALS

Y501 Parallel Resonant 68.600 MHz HC-49/U/G 21-01-686 1

Y502 Parallel Resonant 20.945 MHz HC-49/T-G 21-01-001 1

MECHANICAL PARTS

M501 Shorting Block 881545-1 2 Pin 20-48-100 3

M502 Insulator HC-49 22-99-001 2

M503 Insulator HC-45 22-99-002 4

M504 PCB, Main Receiver, NTX403 Rev 1.00 15-NX-405 1

End of Parts List

Rev: 1.10 Jul 06, 2009 Page 7 of 7

CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.Generated by Nat Parts List ManagerENG-FORM: 701-0123.DOT