Motorola Gm328 Gm338 Gm398 Detailed 6804112j18 E Manual
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Troubleshooting Flow Chart for VCO3-7 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
3-8Troubleshooting 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 1-25W Diagrams and Parts Lists PCB : 8485670z02 Main Board Top Side 8485670z02 Main Board Bottom SidePage 4-3 Page 4-4 SCHEMATICS Power Amplifier 1 - 25W 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 8485670z02 Page 4-10 Table 4-2 UHF 1-25W Diagrams and Parts Lists PCB : 8485670Z03 Main Board Top Side 8485670Z03 Main Board Bottom SidePage 4-13 Page 4-14 SCHEMATICS Power Amplifier 1 - 25W FRACN Voltage Controlled Oscillator Receiver Front End IF Page 4-15 Page 4-16 Page 4-17 Page 4-18 Page 4-19 Parts List 8485670Z03 Page 4-20
4-2Allocation of Schematics and Circuit Boards THIS PAGE INTENTIONALLY LEFT BLANK
UHF 1-25W PCBs / Schematics / Parts Lists4-32.0 UHF 1-25W PCBs / Schematics / Parts Lists TOP METAL C0101C0102 C0104 C0106 C0107 C0131 C0132 C0211 C0212 C0221 C0222 C0223 C0224 C0225 C0226 C0227 C0228 C0231 C0232 C0233 C0234C0235 C0236C0237 C0241 C0242 C0243 C0244C0245 C0246 C0251 C0252 C0253 C0256 C0261 C0262 C0421 C0441 C0442 C0443 C0445 C0446 C0447 C0448 C0449 C0470 C0471 C0472 C0473 C0474 C0476 C0477 C0478 C0482 C0483 C0484 C0486 C0487 C0488 C0490 C0493 C0494 C0495 C0496 C0501 C0502 C0503 C0504 C0505 C0506 C0508 C0509 C0510C0511 C0512 C0513 C0514 C0515 C0516 C0517 C0518 C0542 C0601 C0603C0612 C0651 C0652 C0654 C0655 C0681 C3101 C3102 C3103 C3114 C3115 C3124 C3131 C3132 C3133 C3134 C3135 C3136 C3137 C3139 C3140 C3141 C3142 C3143 C3145 C3148 C4001 C4002 C4003 C4004 C4005 C4006 C4007 C4008 C4009 C4014 C4015 C4016 C4017 C4018 C4019 C4020 C4021 C4022 C4023 C4026 C4027 C4029 C4030 C4031 C4051C4052 C4053 C4054 C4055 C4065 C4068 C4210 C4212 C4213 C4214 C4215 C4216 C4221 C4222 C4223 C4224 C4225 C4226 C4227 C4229 C4230 C4231 C4232 C4233 C4234C4236 C4242 C4243 C4244 C4245 C4246 C4251 C4252 C4253C4254C4255 C4289 C4308C4309 C4317 C4318 C4322 C4323 C4325 C4331C4332 C4335 C4337 C4339 C4351 C4352 C4353 C4354 C4355 C4371 C4372 C4373 C4374 C4375 C4382 C4383 C4401 C4402 C4403 C4404 C4407 C4417 C4418 C4419 C4420 C4422 C4423 C4424C4425 C4426 C4428 C4431 C4432 C4434 C4435 C4441 C4442 C4443 C4444 C4445 C4446 C4447 C4448 C4449 C4454 C4455 C4457 C4458 C4472 C4473 C4474 C4491 C4492 C4496 C4497 C4498 C4505 C4507 C4508 C4509 D0201 D0651 D4001 D4002 D4003 D4004 D4005 D4006 D4051 D4221D4401 D4471 D4472 2 3 4 5 6 FL3101 2 3 4 56FL3102 432FL3112 FL3114 18 1 J0451 20 11 10 J0501 J0601 23 J4401 L0481 L0482 L3100 L3101 L3124 L4001 L4002 L4003 L4004 L4005 L4006 L4008L4051 L4053 L4054 L4201 L4221 L4225 L4303 L4304 L4305 1 3L4312 L4313 L4331 L4371 L4401 L4403 L4411 L4422 L4471 L4472 L4491 L4492 L4493 M3421 Q0110 Q0177 Q0181 Q0185 Q0681 Q4001 Q4003 Q4221 Q4301 4 3 Q4333 Q4411 Q4422 2 3 4 5 6 7 8 Q4441 Q4442 Q4471 R0101 R0102 R0104 R0105 R0106 R0108 R0110 R0114 R0115 R0116 R0131 R0132 R0170 R0181 R0182 R0185 R0186 R0211 R0212 R0220R0221 R0222 R0223R0224 R0225 R0226 R0227 R0228 R0229 R0241R0242 R0251 R0252 R0253 R0254R0255 R0256 R0257 R0261 R0262 R0268 R0269 R0442 R0510 R0533 R0535 R0538 R0539 R0543 R0611 R0612 R0651 R0652 R0681 R0682 R3101 R3106 R3111 R3117 R3123 R3124 R3130 R3132 R3135 R3142 R3144 R3145 R3148 R4001 R4003 R4004 R4005 R4007 R4012 R4013 R4014 R4015 R4020 R4022 R4051 R4064 R4066 R4211 R4221 R4222 R4223 R4224 R4225 R4251R4252 R4301 R4302 R4305 R4311 R4312 R4321 R4331R4332 R4333 R4337R4341 R4343 R4345 R4346 R4401 R4402 R4403 R4404R4406 R4415 R4416 R4424 R4425 R4426 R4427 R4431 R4432 R4450 R4471 R4475 R4491 R4505 R4506 R4507 R4508 R4509 SH4301 2 1 5 4 3T40512 1 54 3T4052 TP4401 1 76 51 26 U0101 Microprocessor 32 17 16 1 U0121 Flashrom 8 7 1 14 U0211 1 37 25 13U0221 ASFIC CMP 16 1 8 9 U0251 9 U0271 1 6 5 U0611 1 6 5 U0641 9,6V Regulator 3 2 1 U0651 5V Regulator 11 1 20 10U3101 8 7 1 14U31118 7 1 14U3115 4 5 8 U4211 9 8 16 1 U4401 U4502 VR0501 VR0503 VR0505 VR0510 VR4471 23 4 Y0131 2 Y3102 48 1 1 1 1 6 1 11 1 1 100B+ Switch UHF (403-470 MHz) 1-25W 8485670Z02 Top Side ZWG0130518-A
4-4UHF 1-25W PCBs / Schematics / Parts Lists C0103 C0105 C0111 C0112 C0121 C0122 C0123 C0141 C0151 C0201C0202C0203 C0204 C0205 C0254 C0255 C0265 C0266 C0267 C0271C0272 C0273 C0274 C0275 C0276 C0277 C0301 C0302 C0303 C0304 C0305 C0324 C0325 C0331 C0341 C0342 C0343 C0344 C0351 C0352 C0353C0354 C0422 C0423 C0426 C0427 C0428 C0429 C0430 C0431 C0485 C0491 C0492 C0497 C0499 C0541C0554 C0558 C0559 C0560 C0575 C0576 C0591 C0592 C0593 C0611 C0621C0622 C0641 C0644C0645 C0661 C0662 C0663 C0671 C3104 C3110 C3111 C3112 C3113 C3116 C3121 C3122 C3123 C3144 C3146 C3147 C3151C3152 C4010 C4011 C4012 C4013 C4024 C4025 C4028 C4060 C4061 C4062 C4064 C4066 C4067 C4069 C4201 C4202 C4203 C4204 C4205 C4206 C4207 C4208 C4209 C4211 C4228 C4235 C4241 C4261 C4262 C4263 C4287 C4288 C4301 C 4302 C 4303 C 4304 C4305 C4306 C4307 C4311 C4312 C4313 C4314 C4315 C4316 C4321 C4324 C4333 C4334 C4336 C4338 C4361 C4362 C4363 C4381 C4400 C4405 C4406 C4411 C4412 C4413C4414 C4415 C4416 C4421 C4427 C4436 C4437 C4439 C4440 C4451 C4452 C4453 C4471 C4475 C4501 C4502C4503C4504 C4506 C4510 CR4301 CR4302 CR4303 CR4311 CR4321 D0101 D0151 D0179 D0301 D0621 D0660 D0661 D3101 D4007 D4201 D4261 D4451 E0271 E0272 E0631 432FL3111 FL3113432FL3115 12 J0401 1 40 J0551 1 18 J0552 L3111 L3112 L4231 L4301L4302 L4311 L4332 L4333 L4361 L4402 L4421 L4436 L4437 Q0151 Q0171 Q0173 Q0183 Q0271 Q0641 Q0661Q0662 Q0663 Q3101 Q3102 Q3141 Q3151 Q3152 Q4002 Q4004 Q4331 Q4332 12 3Q4421 Q4472 R0107 R0111 R0112 R0113 R0117 R0121 R0151R0152 R0171 R0172 R0173 R0174 R0175 R0176 R0177 R0178 R0179 R0183 R0184 R0201 R0202 R0203 R0204 R0205 R0206 R0207 R0208 R0265 R0266 R0267 R0273R0274 R0275 R0276 R0323 R0324 R0331 R0332R0333 R0335 R0341 R0342 R0343 R0344 R0345 R0346 R0347R0401 R0407 R0408 R0409 R0410R0412 R0441 R0467 R0468 R0481 R0482 R0511 R0512 R0525 R0529 R 0530 R0531R0537 R 0541 R 0542 R0591 R0592 R0593 R0621 R0641 R0642 R0643 R0661 R0662 R0671R0672 R3102 R3104 R3105 R3107 R3108 R3112 R3113 R3114 R3115R3116 R3118 R3133 R3134 R3141 R3146 R3147 R3151 R3152 R3153 R3154 R4002 R4016 R4017 R4018 R4019 R4052 R4053 R4054 R4055 R4060 R4061 R4062 R4063 R4068 R4069 R4070 R4071 R4072 R4201 R4203 R4204 R4206 R4228 R4241 R4261 R4262 R4263 R4303R4304 R4313 R4314 R4315 R4322R4323 R4334 R4335 R4336 R4338 R4339 R4340 R4342 R4344 R4347 R4361 R4400 R4411 R4412 R4413 R4417 R4418 R4421 R4422 R4423 R4428 R4429R4440 R4441 R4442 R4443 R4444 R4445 R4446 R4452 R4454 R4455 R4457 R4473 R4474 R4501 R4502 R4504 R4510 R4511 R4512 R4513 R4514 S5440 SH4302 TP0101 TP0102 TP0103 TP0104 TP0151 TP0221 TP0222 TP0492 TP0497 TP0530 TP0661 TP4003 TP4201 TP4202 TP4402 TP4403 TP4404TP4405 TP4406 1 4 58 U0111 EEPROM 22 21 87 1 U0122 RAM 16 1 8 9 U0141 28 15 14 1 U0301 U0331 1 45 8 U0341 U0342 4 5 8 U0351 1 4 5 8U0652 U0653 1 37 25 13 U4201 11 1 20 10 U4301 1 4 58 U4402 1 17 9 25 U4501 VR0151 VR0504 VR0509 VR0537 VR0541 VR0601 VR0621 VR0671 4 3 2 Y3101 6 4 3 1 Y4261 2 34Y4262 1 1 1 1 28 32 1 ZWG013051\b-A FRACN C 99 CNTL-REV-T2 8485670Z02_A ZWG01305 UHF (403-470 MHz) 1-25W 8485670Z02 Bottom Side
UHF 1-25W PCBs / Schematics / Parts Lists4-5 ZWG0130520-B NU NU NU NUNU width 2.032 0.8x25 1.542x42.216x__J4401 - BNC 7.5 NU A NU NU RXIN 9V3 NUNU INT_SWB_UHF_PA_1L4437 17nH 8.2pF R4475 10K C4441 15 100 R4402 2.7R4432 R44272.7 R4425 R4501 6.8K 2200pF C4427 C4424 15pFC4453 100pF 39K R4443 MOSBIAS_222pF C4431 C4506 2200pF 100pF C4406 36pF C4472 1uF C4505 C4413 NU C4434 C4455 13pF 0.1uF10K R4454 FECTRL_2_UHF_PA_1 2.7K R4452 R4421 27K L4402 57R01 0.1uF C4425 20K R4507 C4423 1uF LM50 GND 3 1 POSVOUT2FECTRL_2 U4502 DATA_UHF_PA_1J4401-1 L4401 C4445 3.3pF 11.03nH100pF C4439 120 R4457 RESET_UHF_PA_1 MOSBIAS_2_UHF_PA_1C4436 10uF C4503 470pF NU 100 R4506 CLK R4431 9V3_UHF_PA_1 2.4K 100pF C4412 R4428 Q4442100pF C4492 R4417 CNTLVLTG_UHF_PA_1 PA_PWR_SET_UHF_PA_1 R4422 3.6K R4404 10K8.2pF C4454 C4440100pFC4416 1000pF C4400 470pF 3.3K R4413 NU C4419 C4428 2200pFL4472 17nHC4496 11pF PASUPVLTG 2.7 R4426 L4403 47nH U4402-2 MC330726 5 7 8 4C4432 22pF C4444 J4401-3 8.2pF 17nH L4492 300L4493 17nH R4401 RESET 51 R4400 C4404 51pF 100pF C4417Q4421 16 V5EXT17 VAR120 VAR218 VAR324 15 VG VL 6 VLIM19 10 RFIN 1 RS21 RSET 31 RX23 T1 2 TEMP 30V1014 V45 CQX DATA 28 F1689 GND1 8 GND2 25 INT 4NA22 Q11 QX 32BPOS 27 CEX 29 CI 3 CJ 5 CL 7 CLK 26 CQ12 13 U4501H99S-4 ANO C4420 18pF .033uFC4421 100pF C4435 R4446 0 9.1pF C4403 Q4411 C4405 100pF TP4406 Q4422TP4403 15pFC4504FECTRL_1 FECTRL_1_UHF_PA_1 TXINJ R4504 10K CLK_UHF_PA_1 INT_SWBTP4401 R4455 100K 2pF C4475 D4472 CSX_UHF_PA_1 D4401 Kit_0102727B4611pFC4498 CNTLVLTG C4457 56pF .022uFC4402 C4497 5.6pF R4505 NU 300K R4411 C4415 .022uF C4501C4452 2200pF13pF 51 R4514 17nH L4491 R4471 47051 R4474 DATA36pF C447312pF C4474 PASUPVLTG_UHF_PA_1 51 R4415 NU C4443 C4449 43pF 100pF TEMPSENSE C4414 R4423 39KC4426 100pF PA_PWR_SET 1K R4509 1000pFC4451 22K R4418 2 3 1 8 4TP4402 MC33072U4402-1R4424 2.7 C4407 100pF R4473J4401-5 51J4401-4 K9V1_UHF_PA_1 6.61nHL4422 C444243pF C4448 22pF C4458 56pF C4510 100pF6.8pF C4491 .022uFC4411 D4471 300 R4403C4418 57R01 4.3pF L4421 51 R4416 C4446 TXINJ_UHF_PA_1 R4412 C4508 100pF 15 NC416RFIN 6 RFOUT1 7 RFOUT2 1VCNTRL14VD1 VG1 2 3 VG2 11G2 4GND15GND212GND313GND4 8NC19NC210NC3 30C65 U4401 17EP 51 R4513 43.67nHL4471 R4510C4437 .033uF 23 1 57R01 L4436 VR4471 5.6V L4411 R444447nH C4507 100pFRXIN_UHF_PA_1R4491 10K Q4472 100pF 12 C4401 R4441S5440 SWITCH 39K 2.2K R4442C4471 100pF TP4404 NU 470pF C4509 100pFC4422 R4440 Kit_0102727B46K9V1 HEATSINK POS 1 M3421 C4447 10 R4450 10 R4511 R4512 TP4405 Q4471 CSX 1K R4429 R4406 22K 100KR4508J4401-2 U4508 D4451 3300pFC4502 S2 S3 S4 Q4441 D GGND1 GND2 S1 100K R4502 R44459V3FLT U_PREDRIVER9V3FLT 2.4KPA_SWB U_DRIVER 9V3FLT 9V3FLTA+ U_PREDRIVERNC PA_SWB NC PA_SWB A+ 9V3FLT 9V3FLT NC9V3FLT U_DRIVER A+ 9V3FLT MOSBIAS_1 NCNC NC NC NC NC NC NC 9V3FLT NC NU UHF (403-470 MHz) Power Amplifier 1 - 25W
4-6UHF 1-25W PCBs / Schematics / Parts Lists NU 0 VDC (RX) NU NU 3.43 VDC 3.05 VDC (RX)NU 4.97 VDC 2.48 VDC NU NU4.58 VDC 3.79 VDC 2.48 VDC 4.97 VDC (25KHZ Chan. Spacing) 1.78 VDC (Rx) 4.97 VDC (TX) 5 VDC (Locked)10.87 VDC 1.28 VDC NUNU NU 0 VDC (Unlocked) 2.63 VDC (TX) VDC4.97 VDC NU 0 VDC (12.5KHZ Chan. Spacing) 2.52 VDC 2.5 to 11 VDC 1.76 VDC (Tx)30mV - 80mV RMS 12.7 VDC 0 VDC 4.97 VDC NU1.8pF (SOURCE) NU 3.48 6.68 VDC TP4201C4204 100pF R4204 472.2uF C4214 INPUT8 OUTPUT 1 SENSE 2 SHUTDOWN3 U4211LP2951 5V_TAP 6ERROR 5 FEEDBACK7GND 4 TRB_UHF_FN_1D4201 A16 A25 A34 1 K1 2 K2 3 K3 16.8MHz GND 2 OUT 3 4 VCC 1 VCNTL C4211 Y4262 C42280.1uF .01uFC4205 VCTRL 47 R4203C4216 5V C4224 1uF DATA C4236 .047uF VCOMOD_UHF_FN_1IN_5V_RF_REG 0.1uF C4208 C4233 2.2uF R4228 47K 10uFC4206 C4254 0.1uF VCOBIAS_2_UHF_FN_1 C4226 C4209 0.1uF 47K R4261 .01uF C4203 VCTRL_UHF_FN_1C4210 2.2uF 100 R426339K R4251 510 R4222C4201 100pF R4252 30K 16_8MHz C4232 .01uF R4224 47K C4223 R4262100pF C4245 2.2uHC4229 L4231 R4201 150 C4262CLK_UHF_FN_1 150 PRESC R4221 16_8MHz_UHF_FN_1 100pFVCOBIAS_2 VSF C4244 D4261.01uFC4231PRESC_UHF_FN_1 .018uFC4212 390nHL4201 C4242 100pF4.7uFC4253 BWSELECT_UHF_FN_1 MODIN VCOMOD.01uF C42210 C4222 0.1uFR42112.2uF C4215 C4207 12uH L4221 0.1uFC4251100pF C4241C42431000pFVSF_UHF_FN_1 C4252 .01uFC4235 LOCK2.2uF C4213 C4261MODIN_UHF_FN_1 XTAL123 24XTAL2 5V_UHF_FN_1 VBPASS 21 VCP47 15 VMULT1 VMULT2 14VMULT3 12VMULT4 11 13 VRO WARP25 PVREF 35 REFSEL 18 SFBASE 27 SFCAP 26 SFIN 30 SFOUT28 TEST1 37TEST2 38 NC1 17 NC2 29 NC3 31 PD_GND44 5 PD_VDD 32 PREINPRE_GND33 PRE_VDD 34 DGND DVDD 36 FREFOUT 19IADAPT45INDMULT16IOUT434LOCK MODIN 10 MODOUT 41 AVDD 20BIAS1 40 BIAS2 39 CCOMP 42 CEX 9 CLK 8 DATA 7 6 ADAPTSW46 AGND22 AUX1 48AUX2 1AUX3 2AUX4 3 U420163A27 R4206VDDA_UHF_FN_1 5V_UHF_FN_2 R4225 47K 100pF C4246 C4225 510pF LOCK_UHF_FN_1D4221 .01uF C4202 L4225 15nHIN_5V_RF_REG_UHF_FN_1 2.2uF C4230 100pF C4255 CSX R4223 68 CSX_UHF_FN_1 DATA_UHF_FN_1 OUT 3 IN 6VDDA Y4261 75Z0416.8MHz 1GND 4GND1 0.1uF C4263 TRBCLK R4241 220 C4234 .01uF C4227 8.2pF C4288TP4202 BWSELECTQ4221 C4287 100pF C42895V 5V 0.1uFVDDA VDDA In case Y3261 is used instead of Y3263, replacement of the following parts requires new temperature compensation of the frequency: Y3261, U3201, R3261, R3262, C3262, D3261 HF (403-470 MHz) FRACN ZWG0130521-B
UHF 1-25W PCBs / Schematics / Parts Lists4-7 NU NU NU0 VDC (Tx) NUNU NU NU 2.5 - 11 VDC0 VDC (Rx) 4.58 VDC 4.58 VDC NUNU13.5 to 16 dBm NU 0 VDC (Tx) 3.1 VDC (Rx)0 VDC (Tx) 4.7 VDC (Rx) NU (Tx) 4.54 VDC 0 VDC (Tx)2.35 VDC NU 0 VDC (Rx)4.42 VDC (Rx) NUNU NUNU NUNU NUNU NUNU NUNUNU NU NUNU 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) 2.6 VDC (Tx)1.91 VDC (Tx) 0 VDC (Rx) 2.45 VDC (Rx)(Rx)2.43 VDC (Rx) NU NU GND C4301 100pF 30 R4313 C4372 VCTRL_UHF_VCOL4331 33nH VSF_UHF_VC0 C4318 0.1uFQ4301R4361 180 C4305 51pF C4337 R4332 CR4303 C4382 VCOBIAS_2 5V_UHF_VCO C4332 0 R4315 CR4311C4381 C4313.022uFC4336 R4345 SH4301 SHIELD R4302 10K C4383 C4363 R4333 R4312 5.6K C4309 100pF C4315 100pF19 TRB_IN 16 TX_BASE 15 TX_EMITTER 1 TX_IADJ10 TX_OUT 13 TX_SWITCH 14 VCC_BUFFERS 18 VCC_LOGIC GND_LOGIC 17 12 PRESC_OUT 5 RX_BASE 6 RX_EMITTER 2 RX_IADJ8 RX_OUT 7 RX_SWITCH 3 SUPER_FLTRU4301 4 COLL_RFIN 20 FLIP_IN 11GND_BUFFERS 9GND_FLAG R4346 10K 50U54 L4312 RESONATOR 1P1 2 P2 3 P3 C4314 1.5pF C4307 100pFC4352 0.1uF C4321Q4331 1pF4 1 3 CR4301Q4333 26 C4339 C4375 L4332 L4361 390nH VCTRL0 R4341 C4324 2.4pF2.2K R4342 6.8pF TRB_UHF_VCOC4331 C4304 3.9pFC4333 C4374C4335 100pF 270 R4314 7.5K R4311TXINJ_UHF_VCO R4334 R4301 L4301 390nH R4323 5.6K 100K1K R4343 C4353 0.1uF C4312 12pF390nHL4305 C4323R4337 C4317PRESCQ4332 68nHL4333 390nH L4371 56K R4321R4305 C431610 0 5V 0.1uFR4347C4338 R4336 51pF 2.2uF C4354 C4351 100pF 22 R4331 C4373R4339 PRESC_UHF_VCO 390nHL4311R4335 180 R4304 CR432110K R4322100pF C4311 100pFC4361 30 R4303 L4302 390nHC4362 C4303 8.2pFR4338RXINJ RXINJ_UHF_VCO L4303 RESONATOR 1P1 2 P2 3 P3 0.1uF C4371 TXINJ 390nHL4313 SHIELD SH4302 TRBC4334 C4306 2pFC4355 2.2uF VSFVCOBIAS_2_UHF_VCO VCOMODC4308 0.1uF 390nH L4304 C4302 8.2pF CR430210 R4344 C4322 4.7uF C4325 VCOMOD_UHF_VCO GROUNDR4340 5V VSFTXSW TXSW RXSW RXSW VSF ZWG0130523-A UHF (403-470 MHz) Voltage Controlled Oscillator ZWG0130523-A
4-8UHF 1-25W PCBs / Schematics / Parts Lists R4066C4069 R4070 .01uF C4068 100pF C4065390 C4064 0.1uF 0 100pF390 R4064R4062 1.5K R4063R4072 10KR4071 10K C4062 0.1uF R4061 10K C4061 330pF R4069 1KR4068 C4066 1.5K C4067 3300pF R4054 R4055 R4053 R4052 0 C4060 R4060 330K L4008 470nH R4022 L40060 R4020C4051 15nH10pF L4054C4031 13pF 15nH L4053 27nH C4055 6.2pF NUC4054 16pFC4053R4051 16pFC405251 L4051 82pF150nHL4005 L4001L4002L4004 C4010 1.8pF 330pF C4029 C4027C4030 1.8pF 1.8pF 1.8pF C4026 R4013R4015 270 C4016 1pF C4019 R4019 12pF C4003 36pF C4025R4017 3.3K R4016 R4018 C4028 .01uF C4020 33pF 3.3K C4004 33pF C4005 1.8pF 33pF C4001 C4002 C4006 33pFC4007 FECTRL_1_UHF_FE30pF 100KR4001C4009 10pF R4003 3.9K R4004 2.7K D4007 10K IF_UHF_FER4005 C4014 100pF470nH K9V1_UHF_FEL4003 R4007 100 RXIN_UHF_FE330pF 3300pF C4012C4013 100pF C4015 GND_UHF_FE C4011 3300pF330 RXINJ_UHF_FER4002Q4004 33pF C4021 T4052C4017 D40511.8pF12pF Q4003 Q4001C4018 C4022 33pF T4051 TP400312pF 100KC4023 D400510 R4012R4014 C4008 1000pF1000pF D4001 C4024 33pF NU NU NU NUNU 3 to 6.5 VDC NU NUNUNU NU NU 0.7 VDC 4.6 VDC NU NU Q4002 D4006 D4004 9V3_UHF_FE D4003 D4002 FECTRL_2_UHF_FE 10 100 820 820 10 0 0 20pF 2.2pF 1pF IN NEGPOS INNEG POS IN NEG POS INNEG POS UHF (403-470 MHz) Receiver Front End ZWG0130524-B