Motorola Gm328 Gm338 Gm398 Detailed 6804112j18 E Manual
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Troubleshooting Flow Chart for VCO3-5 4.0 Troubleshooting Flow Chart for VCO Are Q4332 Base at 0.7V Collector at 4.5V Emitter at 110mV Are Q4301 Base at 2.4V Collector at 4.5V Emitter at 1.7VAre U4301 Pins 13 at 4.4V 15 at 1.1V 10 at 4.5V 16 at 1.9V Low or no RF Signal at TP4003 Visual check of board OK? 35mV DC at U4301 Pin 19 NO YES Replace Q4301 at base of Q4332 NO NO NO NO YES YES YESYESLow or no RF Signal at input to PA 4.8V DC at U4301 Pin 19 Is RF available at C4402 YES YESYES YES NO NO NO NO NO Audio =180mVrmsat “-” Side of 4.5VDC at CR4321 If C4321 and R4321 are OK, then replace CR4321 Replace C4322 Replace C4325 NONO YES YES If parts between R4402 & U4301 Pin10 are OK, replace U4301 TX VCO RX VCO Correct ProblemVisual check of board OK? Check runner between U4201 Pin 2 and U4301 Pin 19 Is RF available If all parts from U4301 Pin 8 to Base of Q4332 are OK, replace U4301 If all parts associated with the pins are OK, replace Q4332 If all parts from collector of Q4332 to TP4003 are OK, Replace Q4332 Power OK but no modulation Check parts from R4402 to U4401 Pin16 If all parts associated with the pins are OK, replace U4301 YESYES Make sure Synthesizer is working correctly and runner between U4201 Pin 28 and U4301 Pin 14 & 18 are OK 4.5V DC OK ? OK? OK? C4325 at U4301 Pin 14 & 18 4.5V DC OK ? at U4301 Pin 14 &18 NO
3-6Troubleshooting Flow Chart for VCO THIS PAGE INTENTIONALLY LEFT BLANK
4-1 Section 4 UHF PCB/SCHEMATICS/PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards 1.1 Controller Circuits The UHF circuits are contained on the Printed Circuit Board (PCB) which also contains the Controller circuits. This Chapter shows the schematics for the UHF circuits only, refer to the Controller section for details of the related Controller circuits . The PCB component layouts and the Parts Lists in this Chapter show both the Controller and UHF circuit components. The UHF schematics and the related PCB and parts list are shown in the tables below. Table 4-1 UHF 25-40W Diagrams and Parts Lists PCB : 8480643Z06 Main Board Top Side 8480643Z06 Main Board Bottom SidePage 4-3 Page 4-4 SCHEMATICS Power Amplifier 25 - 40W FRACN Voltage Controlled Oscillator Receiver Front End IF Page 4-5 Page 4-6 Page 4-7 Page 4-8 Page 4-9 Parts List 8480643Z06 Page 4-10
4-2Allocation of Schematics and Circuit Boards THIS PAGE INTENTIONALLY LEFT BLANK
UHF 25-40W PCB / Schematics / Parts List 4-3 2.0 UHF 25-40W PCB / Schematics / Parts List 16 1 89U0251C0211 C0212 C0251 R0211 R0212 R0251 R0252R0257 C0252 R0253 C0262 8 71 14 U0211C0256 R0256 R0268 C0253 Q0110 R0102R0261 R0262C0261 R026918 1J0451 C0421 C0451 C0452 C0453 C0455 C0456 C0457 C0458 C0459 C0460 C0461 C0462 C0463 C0464 C0466 C0467 C0468R0441 C0441 C0442 C0443 C0445 C0446 C0447 C0448 C0449 C0470 C0471 C0472 C0473 C0474 C0476 C0477 C0478 C0490 C0221 C0222 C0225 C0241 C0243 R0220R0221 R0223 R0224 R0229 R0254 R0255 R0222 R0442 C0242 C0244 C0245C0246 C0496 D0201 R0241R0242 137 25 13U0221 32 1 U0651C0681 Q0681 R0681 R0682 C0482 C0483 C0486 C0487 C0488 C0493 C0494 C0654 C0655 L0481 L0482 C0223C0224 C0226 C0227 C0228 C0232 C0233 C0234 C0235 C0236C0495 R0225 R0226 R0227 R0228 C0231C0237 C0652 R0101 R0104 R0108R0110 R0115 R0116 C0104 C0106 C0107 C0101 C0102 C0132 R0106 R0131 R01321 76 51 26 U0101 32 1716 1 U0121 C0131R0105 R0114 R0170 9U0271 234 Y0131 C0501 C0502 C0503 C0504 C0505 C0506 C0508 C0509 C0510 C0511 C0512C0513 C0514 C0515 C0516 C0517 C0518 C0542 Q0177 Q0181 Q0185 R0181 R0182 R0185R0186 R0510 R0535 R0538 R0539 R0543VR0501 VR0503 VR0505 VR0510 20 11 10 J0501C0651 D0651 R0651 R0652 1 6 5 U0641 1 65 U0611 C0484C0601 C0603C0612 R0533 R0611 R0612 J0601C4210 C4212C4213 C4214 C4215C4216C4225 C4226 C4227 C4229 C4230 C4231C4241 C4242 C4243 C4244 C4245 C4246C4253 C4289L4201 L4225 R4211 4 5 8U4211C4221 C4222 C4223 C4224C4235 L4221R4221 R4222R4223 R4263 3 2J4401 C4444 C4459 C4465 C4466 C4491C4507 C4521C4522R4501 R4502U4502 C4423 C4432 C4435 C4449C4450 C4460 C4478 C4490 C4497 C4520 D4403 R4607 C4420 C4481 C4485 C4489 C4495 C4602R4600 R4601 R4602 C4431 C4434 C4453C4455 C4456 C4457D4402 R4459C4476 52 68 1 3 7 4 Q4421 R4476 L4474 C4401C4403 C4404 C4410 C4417 C4419 C4447 C4461C4486 C4488 C4505 C4506 L4401 L4403 R4401 R4402 R4403 1 16 8 9 U4401 C4425 C4426 Q4471Q4472 R4408 R4415 R4416R4481 R4504 R4511 R4512 TP4530 VR4471 1 3 L4312C4322 C4323 C4325R4321 C4317 C4318 C4351 C4352 C4353 C4355 C4382 L4304L4305 L4313Q4301 R4311 R4312 C4383 R4301 R4302C4308 C4309 C4375 1 3 L430343 Q4333 R4305 R4346 SH4301 C4331 C4332C4335 C4337 C4339 C4354 C4371 C4372 C4373 C4374 L4331 L4371 R4331 R4332 R4333R4337R4341R4343 R4345 C4493C4441 C4442C4443 FL3114 FL3112 4 32 C3139 C3145 C3148 R3142 R3144R3145 87 1 14U3115 2 Y3102 C3143R3135 C3140 C3141 87 1 14U 3 111 C3142U3101 R3117 11 1 2010 C3124 C3131 C3132 C3133 C3134 C3135 C3136 C3137 L3124 R 3 111R3123 R3124 R3130 R3132 C3115 C3114 2 3 4 56 FL3102 C3101 C3102 C3103 2 3 4 56 FL3101 L3100 L3101 R3101 R3106 R3148 L4008 C4001 C4002 C4003 C4004 C4005 C4006 C4007C4008 C4009C4014 C4015 C4016 C4026 C4027 D4001D4002 D4003L4001 L4002 L4003L4006Q4001 Q4003 R4001 R4003R4004 R4005 R4007 R4018 R4020 R4022 R4066 C4017 C4018C4019 C4020 C4021 C4022 C4023 C4029 C4030 C4051 C4052 D4004 D4005L4004 L4005 L4051R4012 R4013R4014 R4015 R4051 D4051 2 1 5 4 3 T4051 C4031 C4055L4053 C4053 C4054L4054 2 1 54 3 T4052 C4472 C4474 C4475 C4480C4510 D4471 D4472 L4472L4473 C4232C4233 C4234 C4251C4252 C4254C4255 R4251 R4252 UHF (403-470 MHz) 25-40W 8480643Z06 Top Side
4-4UHF 25-40W PCB / Schematics / Parts List C3144C3146 C3147Q3141 R3134R3141 R3146R3147 R3154 R3113R3133C3151C3152 Q3152 R3151 R3152 R3153 Q3151 43 2 FL3111 FL3113 43 2 FL3115 C4263 D4261 R4261 TP4201TP4202 Y4261 2 34Y4262 C4261 C4262 R4241 R4262 1 372513 U4201C4201C4202 C4203 C4204 C4205 C4206C4208 C4209 C4211 C4287D4201R4201 R4206 C4207C4288 R4203 R4204 C4228 L4231 R4228C0485 4 3 2 Y3101 C3116 C3121C3122 C3123 D3101 L3112Q3102 R3112 R3114R3115 R3116R3118 C3104 C3110 C 3 111 C3112 C3113L 3 111 Q3101 R3102 R3104 R3105 R3107 R3108 C4010 C4011 C4012 C4013 C4024 C4028 C4060 C4061 C4062 C4064 C4065C4066 C4067 C4068 C4069D4006D4007 Q4002 Q4004 R4002 R4016R4017R4052 R4053 R4054 R4055 R4060 R4061R4062 R4063 R4064 R4068 R4069 R4070R4071 R4072 C0401 C0402 C0403 C0406 C0407 C0408 C0409 C0410 C0411 C0422 C0423 C0426 C0427 C0428 C0429 C0430 C0431 C0491 C0492 C049712 J0401 R0407 R0409 R0410 R0412 R0467 C0301C0302 C0303 C0351 C0352 C0354D0301 2815 14 1U0301 4 5 8 U0351 C0304 C0305C0324 C0325 C0343R0323R0324R0344 R0341R0345 C0341 C0342 C0344 R0342 R0343 R0346 R0347 1 458 U0341 U0342 C0141 161 8 9U0141TP0101 TP0497C0201C0202 C0203 C0204 C0205 C0254C0265C0266C0267 R0107 R0201 R0202R0203 R0204 R0205 R0206 R0207 R0208 R0265 R0266R0267 R0408 TP0102 TP0221TP0222U0653 VR0541 C0103 C 0 111 C0112D0101 1 18J0552 R 0 111R0112 R0113 R0117 R0121 R0401 TP0103 TP0104 TP0492 1 4 58U 0 11122 21 8 7 1 U0122 C0105 C0121 C0122 C0123 C0255 R0468 1 4 5 8 U0652 R4019 TP4003C4301 C4302 C4303 C4304 C4305 C4306 C4307C4316 C4336 C4361 C4362 C4363C4381 CR4301CR4302 CR4303L4301 L4302 L4333L4361 R4303 R4304 R4315 R4361SH430211 120 10U4301C4311 C4312 C4313 C4314 C4315 C4321 C4324 CR4311 CR4321L4311 R4313 R4314 R4322 R4323 C4025 C4451 C4463 C4469 C4470 C4473C4499 D4452 R4455R4457 R4472 R4475 R4496TP4531 VR4473C4333C4334 C4338L4332 Q4331 Q4332 R4334R4335 R4336 R4338 R4339 R4340 R4342 R4344 R4347 C4452 C4464 D4451D4453 R4409R4471R4473 R4474 R4506R4507 TP4532 C4492 C4498 C4448 C4496L4491 L4492 R4491 C4494 L4493 1 24 6 Q4441 C4436 C4438 C4439 C4482 L4421 L4436 L4437C4422C4437 L4440 L4441R4421 6 5 43 2 1 Q4431 3 5 C4632 L4402R4633 TP4537 VR4472 C4421 C4484C0499C0611 C4446 C4630 R4485 R4486R4630 R4631 R4632 C4424 L4541L4543 Q4451R4414 R4487 R4488 R4513R4525 C4483 C4407 C4409 C4412C4414 C4416C4462 C4487 L4411R4405 R4411 R4412 R4427 R4428 R4495 R4497 TP4536R4433C4479 C4502 C4503 C4504 R4480 R4482 R4483R4484R4492R4503 R4523117 9 25 U4501 C4418 Q4473 R4422R4423 R4424R4425 R4431R4514 TP4533 E0631 VR0601C0331 C0353 R0331 R0332 R0333R0335 R0481 R0482U0331 C0641 C0644 C0645 R0641R0642 R0643 C0662Q0641Q0661 C0661 C0663 D0660 D0661 Q0662 Q0663 R0661R0662 TP0661C0622 C0671 R0671 R0672VR0671 C0541 C0621 D0621Q0171 Q0173 R0172 R0173 R0174 R0621 TP0530 VR0621 D0179 R0171 R0175 R0176R0177 R0178 R0179 R0183 R0184 R0511R0512 R0525 R0529 R0530 R0531 R0541 R0542VR0151 VR0504 VR0509Q0183 R0537VR0537 C0271 C0275 C0276 C0277 C0558C0559 C0560 C0591 C0592 C0593 E0271E0272 R0591 R0592 C0151 C0272 C0273C0274C0554 C0575 C0576 D0151 Q0151 Q0271 R0151R0152 R0273R0274 R0275 R0276R0593 TP0151 1 40 J0551 UHF (403-470 MHz) 25-40W 8480643Z06 Bottom Side
UHF 25-40W PCB / Schematics / Parts List4-5 PASUPVLTG PASUPVLTG_UHF_PA_1PASUPVLTG NU NUNU NU NU NU R4633 C4632 30pF C4485 3000pF C4481 C4602 .033uF ALTL4402 5.6V VR447230pF C4484 .033uF C4421C4490 1000pF C4495C4489 C4436 10uF1000pF C4478 C4493 C4497 1000pF L4421 C4423 1uFC4422 100pF30pF C4482 100pF C4439L4436 0.1uF C4438 17nH L4437 9V3 100pF C4488C4486 30pF C4404 100pF 390nHL4403 9V3_UHF_PA_1 11.03nHL4401 C4418 0.1uF 3.9pF C4403 4 to 6 dBm C4407 0.1uF TXINJ R4405 200 TX_INJ_UHF_PA_1R4433 NUNU NUNU NU NU NU NU NU NU NU NUNUNUNU NU NU NU NU NU NU NU NUNU NU NU NU NU NU NUNU NU C4462 VD1 14 VG12 VG23 NC1 8 NC2 9 NC3 10 NC4 15RFIN 16 RFOUT16 RFOUT27 VCNTRL 1 U4401 30C65 EP 17 G2 11 GND1 4 GND2 5 GND3 12 GND4 13 300 R4401 300 R4403 15 R4402 C4410 100pFC4401 100pF51 R4495 100pF C4412 R4497 51 L4411 390nH C4417 100pFC4487 30pF0.1uF C4409 9V3 33pF C4419 C4461C4447C4453 6 21 3 4 5 7 8 Q4421 BLM31A02PTL4474 R4414C4483 100pF R4525 C4431 30pF L4541 C4424L4543 13.85nH 9V3 Load 51pF C4420 C4434 39pF4.7 R4600 4.7 R4602R4601 4.7 C4630 0.1uF R4486 120 R4632 24K 100pF C4446R4631 1K 120 R4485 R4476 R4480 10KPCIC_MOSBIAS_1 2.4 to 2.6 VDCTP4537 MOSBIAS_2 BIAS_2_UHF_PA_1C4476 C4520 C4456 C4457 R4481D4402 R4459C4455C4437 D4403 R4607 G17 G28 G39 10 G4 S1 S2 S3 S4 Q4431 MRF5015 D G39pF C446042 13 MRF650 Q4441 27pF C4435 30pF C4432 16pF C4450C4449 33pF 13.85nH L4441 L4440 10 R442139pF C4442 C4441 30pF C4470 D4453 C4464 C4499 100pF 100pF C4507 R4474 100K 10KR450710K R4506 100K R4409 4.3KR4473 9V3D4452 D4451D4471 C4465 11pF C4491 100pF C4469 5.6V VR4473 C4444 C4452 C4466 C4459 100pF C4443 7.5pF 120 R4457 R4472C4463C4498 6.8pF L4493 17nH C4492 100pF R4471 R4491 11K J4401-1 1 L4491 17nHL4492 17nH C4448 12pFJ4401-3 3 10pF C4494 5.6pFC4496J4401-2 2 DUMMY 12pF C4474 2pF C4475 17nH L4472RX_IN_VHF_PA_1 RXIN C4480 D4472 FECTRL_1 FECTRL_2 C4479 100pF RESET FE_CNTL_1_VHF_PA_1 FE_CNTL_2_VHF_PA_1 RESET_VHF_PA_1 9V3 36pF C4472 43.67nHL4473 C4510 36pF R4496 82 100pF C4473 Q4472 51 R4511 PCIC_MOSBIAS_1 CSX DATA CSX_VHF_PA_1 DATA_VHF_PA_1 VLIM TEMP 30V10 14 V45 16 V5EXTVAR1 VAR2 VAR3 15 VG NA Q 11 QX 10 RS 31RSET RX CLK 26 CQ 12 13 CQX DATA 28 F168 9 GND2 25 ANO 32BPOS 27 CEX 29U45011uF C4505 R4492 10K CLKCLK_VHF_PA_1 9V3 19 17 20 18 24 22 2123 VL RFIN T1 GND1 INT CI CJ CL 3.1 VDC (44W) 2.2 VDC (28W) 0.75 VDC R4484 68K300K R4482 TP4532 R4501 5.6K C4521 100pF 6 1 2 8 4 3 5 7.02uF C4504 R4502 R4523 68K C4503 2200pFC4506 2200pF R4483 100K .015uF C4502 1000pF C4522R4503 3.9K ALTPA_PWR_SET 9V3 10K R4504 K9V1_UHF_PA_1 TEMPSENSETEMPSENSE_UHF_PA K9V1 3 GND1 POSVOUT2 U4502 9V3 100K R4487 Q4451 R4488 2.7K Load 3.7 to 3.9 VDC C4426 100pF TP4536 C4425 .022uFR4408 20K 4.5 VDC (44W) 4.4 VDC (28W)4.7K R4428 R4411 C4414 1000pF TP4533620 R4424 620620 R4422 R4425620 R4423 6.2 VDC (28W)6.5 VDC (44W) Q4473 R4431 9V3 5.6K R4412 C4416 .022uF R4427 10K CNTLVLTG_UHF_PA_1 3.3K R4514 CNTLVLTGPA_PWR_SET_1_UHF_PA_1 PA_PWR_SET PA_PWR_SETR4630 2.2 VDC (28W) 3.11 VDC (44W)TP4531 R4455 C44510R4475 9.2 VDC 470 R4512 Q447110K R4513 TP4530 VR4471 5.6V A+ 100 R4415 100 R4416A+ UHF (403-470 MHz) Power Amplifier 25-40W
4-6UHF 25-40W PCB / Schematics / Parts List C4262 220pF C4251 C4228 0.1uF C4252 R4221 1000pF 150 TP4202 1 C4253 4.7uFIN_5V_RF_REG TRB D4261 2.2uF C4213 R4241MODIN 220 C4221 .01uF C4227 LOCK_UHF_FN_1 100pF 100pF C4243U4507 C4202 .01uF BWSELECT 100pFVSF_UHF_FN_1 C4255 0.1uF C42092.2uF C4210 16_8MHz_UHF_FN_1C4204 5V_UHF_FN_1 100pF R4222 510 VCOMODC4246 100pF 100pF C4287 C4241CLK_UHF_FN_1 C4242VDDA 100pF C42230.1uF C4222 CSX_UHF_FN_1 C4207 C4289 0.1uF Vac VCTRL R4263C4244 47 R4204 CLKVSF 100pF 5V .01uF C4203 30KR4252 C4212 .018uF 15 14 VMULT2 12 VMULT3 11 VMULT4 VRO 13 25 WARP 23 XTAL1 XTAL2 24SFBASE 26 SFCAP 30 SFIN 28 SFOUT 37 TEST1 38 TEST2 21 VBPASS 47VCP VMULT131 NC3 44 PD_GND PD_VDD 5 PREIN 32 33 PRE_GND 34PRE_VDD 35 PVREF18 REFSEL 27 45 IADAPT 16 INDMULT 43 IOUT LOCK 4 10 MODIN 41 MODOUT17 NC129 NC2 39 BIAS242 CCOMP 9 CEX 8 CLK7 DATA DGND 6 36DVDD 19 FREFOUT 46 ADAPTSW 22 AGND 48 AUX1 1 AUX2 2 AUX3 3 AUX4 20AVDD 40 BIAS1 63A27U4201 C4231DATA .01uFVDDA_UHF_FN_1 L4201 390nH .01uF C4232 BWSELECT_UHF_FN_1 2.2uF C4233 VCOMOD_UHF_FN_1510pF C4225C4208 0.1uF 0.1uF C4254 TP42011C4206 10uF R4261 150K 33K R4206 C4263 1.5pFL4231PRESC CSX 2.2uHMODIN_UHF_FN_1 C4261 62pF 5V_UHF_FN_2 DATA_UHF_FN_1 C4214 2.2uF VCOBIAS_2 C4205 .01uF150 R4201 C4288IN_5V_RF_REG_UHF_FN_1 16_8MHz 2 GND 3 OUTVCC 4 VCNTL1 16.8MHzY4262 TTS05V C4211 0.1uF R4262C42352.2uF C4230 68 R42233 TRB_UHF_FN_16 A15 A24 A3 K1 1K2 2K3D42016 5V_TAP 5 ERROR7 FEEDBACK 4 GND8 INPUT 1 OUTPUT 2 SENSE3 SHUTDOWN LP2951U4211 U4506 VCTRL_UHF_FN_1 .01uF C4234 R4211 0 R4228 47K2.2uF C4215 R4251 R4203 39K 47 C4226 C4224 LOCK 1uF 21 C4216 16.8MHz Y4261100pF C4245L4225 33nH C4229 C4201 100pF ZWG0130270-A 2.63 VDC (TX) 4.97 VDC (25KHZ Chan. Spacing) 0 VDC (12.5KHZ Chan. Spacing)5 VDC (Locked) 0 VDC (Unlocked)10.87 VDC -16 to -11 dBm (Tx) 12.7 VDC4.97 VDC 6.68 VDC 2.5 to 11 VDC 1.76 VDC (Tx) 1.78 VDC (Rx)3.79 VDC 2.48 VDC3.43 VDC -18 to -16 dBm (Rx) 2.48 VDC 1.28 VDC 3.48 VDC 0 VDC (RX) 4.97 VDC (TX)3.05 VDC (RX) 0 VDC 4.97 VDC 2.52 VDC4.97 VDC4.58 VDC HF (403-470 MHz) FRACN
UHF 25-40W PCB / Schematics / Parts List4-7 CR4302R4361 180 CR4301 0 R4315L4332 Vac GNDRXINJ VCOBIAS_2 100pF VCTRL_UHF_VCO C4312 12pFC4309 R4311390nH 7.5KVac L4361.022uFC4336 R4333 C4305 VacC4339 Vac CR4303R4302 10KR4346 10K 1pF C4321C4314 1.5pF5V_UHF_VCO C4318 0.22uF C4381 0.1uF1K R4343 C4323 Vac30 R4313R4344 10Q4332 0.1uF CR4311 100pFC4352 C4363 Vac C4301C4333 Vac C4372 Vac SH4301 SHIELD R4332 Vac 4.7uF C43250RXINJ_UHF_VCO 1P1 2 P2 3P3R4347 TXINJ_UHF_VCO L4312 RESONATORL4331 33nH L4301 390nHTRB_UHF_VCO C4315 100pF Vac22 R4331 C4313TX_EMITTER 1 TX_IADJ10 TX_OUT 13 TX_SWITCH 14 VCC_BUFFERS 18VCC_LOGIC RX_BASE 6 RX_EMITTER 2 RX_IADJ8 RX_OUT 7 RX_SWITCH 3 SUPER_FLTR 19 TRB_IN 16 TX_BASE 15 14 COLL_RFIN 20 FLIP_IN11 GND_BUFFERS 9 GND_FLAG GND_LOGIC 17 12 PRESC_OUT 5 50U54U4301 C4334 Vac Q4301R4341 100pF0 2.4pF C430768nH C4324 56K R4321L4371 R43236.8pF 100KC4331R4339 Vac C4351 100pF VCOMOD390nHL4311C4355 2.2uF C4362 Vac CR4321 C4322 VacSHIELD SH4302 Vac C4374 VacR4337 270 R4314C4373 Vac C4306 2pF C4311 100pF C43710.1uF 0.22uF 100pF C4308 0.1uF C4316C4335 Vac Vac R4345 C4383 VacR4336 8.2pFC4337 C4303C4354 51pF C4382 Vac2.2uF R4312 5.6K 30 R4303390nH R4338 VacL4333 R4334 Vac 8.2pF2.2K R4342 C4302 390nHC4332 Vac PRESC L4302 R4322 10K26 4 1 3 C4361 100pF TXINJQ4333 VCOBIAS_2_UHF_VCO C4375 0.1uF Q4331 Vac 10 R4305 390nHL4304390nHL4305 R4335 Vac VacVSF_UHF_VC0 3.9pF C4317 VCOMOD_UHF_VCOTRB C43045.6K R4301 51pF C4338 VSF 3 P35V C4353 0.1uF L4303 RESONATOR 1P1 2 P2 R4340 Vac 180 R4304 390nH L4313 GROUND VCTRLPRESC_UHF_VCO5V VSFTXSW TXSW RXSW RXSW VSF ZWG0130272-0 0 VDC (Tx) 4.58 VDC 4.58 VDC 13.5 to 16 dBm 0 VDC (Tx) 4.7 VDC (Rx) 2.5 - 11 VDC0 VDC (Rx) 4.97 VDC (Tx)-18 to -16 dBm (Rx) -16 to -11 dBm (Tx)4 to 6 dBm 4.54 VDC 4.54 VDC (Tx) 0 VDC (Rx)4.42 VDC (Rx) 0 VDC (Tx) 3.1 VDC (Rx) 2.6 VDC (Tx)1.91 VDC (Tx) 0 VDC (Rx) 2.45 VDC (Rx) 0 VDC (Tx)2.35 VDC (Tx) 4.54 VDC (Rx)2.43 VDC (Rx) UHF (403-470 MHz) Voltage Controlled Oscillator
4-8UHF 25-40W PCB / Schematics / Parts List GND 51 R4051 C4009 100pF33 R4008D4005 VacR4017 XFMR T4051 1 2 35 4 43pF C4004TBD L4004 IN NEG POS 39pF Q4001 Vac C4007270 R4011 C4024 1000pF 33pF C4002 100KNEG POS R4001TBD L4005 IN VacQ4002 FECTRL_1_UHF_FEQ4003 27nHL4053100K R4012 39pF C40033300pF TP4003IFC4013 470nHL4003 Vac 150nH L4051 3300pF R4015 C4011 3 5 4L4006 Vac XFMR T4052 1 21.8pFC4017 D4004 C4028 Vac R4060 330KC4026 1.8pF Vac22pF R4053C4019 R4020 Vac 15nHL405468 R4007 D4002 R4019 Vac 12pFC4018 R4055 Vac36pF C4001 C4020 1.8pF 330pF C4010 43pF C40051.8pF D4001C4027 36pF 330pF C4022 C4012 D4051 IO1 1IO2 2 IO3 3 IO4 4 470nH Vac L4008 R4016 RXIN 16pF C40531.8pF C4029 Vac C4016 IF_UHF_FE IN NEG POS R4052 0 TBD L4002TP4001 R4003 3.9K Vac C4025C4014 100pF IN NEG POS TBD L4001R4002 330 Vac 150 R4054 R4009 9V3_UHF_FE 13pF C4031 RXINJ100pFC4015 270 R4013 36pF TP4002 C4021 270 9V3 R4006 GND_UHF_FE 150 R4010 C4051 C4054 16pF10pF D4003R4005 10K 0 Vac R4022 R4018 9V3 RXIN_UHF_FE RXINJ_UHF_FE43pF FECTRL_1C4006R4014 10 C4055 VacC4030 1.8pF 82pF C4052 1000pF C4008 C4060 Vac2.7K 22pF R4004 C4023 ZWG0130269-O 4.6 VDC 3 to 6.5 VDC0.7 VDC UHF (403-470 MHz) Receiver Front End