Tyco Electronics MACOM 19D902780G3 Maintenance Manual Download | Manualshive

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SCHEMATIC DIAGRAM

UHF TRANSMITTER SYNTHESIZER
19D902780G3, G6 - G10

(19D903363, Sh. 3, Rev. 22)

LBI-38671N

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Summary of Contents for MACOM 19D902780G3

Page 1: ...On page 6 of the manual update the production changes to include the following information Rev 4A Transmitter Synthesizer Board 19D902780G1 G3 G6 G8 Rev 9A Transmitter Synthesizer Board 19D902779G1 R...

Page 2: ...M A COM Wireless Systems 221 Jefferson Ridge Parkway Lynchburg Virginia 24501 Outside USA 434 385 2400 Toll Free 800 528 7711 www macom wireless com Printed in U S A...

Page 3: ...age 7 of the manual update the production changes to include the following information Rev 9A Transmitter Synthesizer Board 19D902779G3 Rev 7A Transmitter Synthesizer Board 19D902779G6 G8 Rev 4A Trans...

Page 4: ...Lynchburg Virginia 24501 Outside USA 434 385 2400 Toll Free 800 528 7711 www macom wireless com Printed in U S A M A COM Wireless Systems 221 Jefferson Ridge Parkway...

Page 5: ...IO FREQUENCY AMPLIFIER 2 VOLTAGE REGULATORS 2 LOGIC CIRCUITS 3 BLOCK DIAGRAM 2 MAINTENANCE 3 TEST PROCEDURE 3 ALIGNMENT PROCEDURE 3 TROUBLESHOOTING 3 PARTS LIST 4 PRODUCTION CHANGES 6 IC DATA 7 OUTLIN...

Page 6: ...cuit and matching net work to drive resistive splitter R201 R204 RF AMPLIFIERS The RF chain begins with resistive splitter R201 R204 and R216 R218 The output of the splitter at R203 is attenuated by 1...

Page 7: ...m of the audio modulation and the buffered error signal The output of the second buffer U501B is applied to a loop filter consisting of R506 R507 R508 C505 and C506 This filter controls the bandwidth...

Page 8: ...b Program synthesizer at 385 G8 455 G3 408 5 G6 430 G7 476 G9 or 497 G10 MHz Verify LED is off c Program synthesizer at 395 G8 465 G3 419 5 G6 445 G7 488 G9 or 507 G10 MHz Verify LED is off d Program...

Page 9: ...VDCW C13 19A702061P99 Ceramic 1000 pF or 5 50 VDCW temp coef 0 and or 30 PPM C C14 C15 19A700004P6 Metallized polyester 4 7 uF or 10 63 VDCW C16 19A702052P106 Ceramic 1500 pF or 5 50 VDCW C17 19A7020...

Page 10: ...4 7K ohms or 5 1 8 w R105 19B800607P392 Metal film 3 9K ohms or 5 1 8 w R201 19B800607P180 Metal film 18 ohms or 5 1 8 w and R202 SYMBOL PART NO DESCRIPTION R203 19B800607P150 Metal film 15 ohms or 5...

Page 11: ...o the required voltage level 2 5 0 05 V Changed capacitor C4 19A702236P8 of Schematic Diagram Sheet 1 Table of Values under column G3 From 1 5pF to 2 2 pF 19A702236P10 REV F TRANSMITTER SYNTHESIZER BO...

Page 12: ...5V Regulator U302 U601 19A116297P7 Dual Wide Band Op Amp U202 344A3907P1 Silicon Bipolar MMIC U303 19A704971P7 5V regulator U501 344A3070P1 Operational Amplifier U201 and U203 19A705927P11 Silicon Bi...

Page 13: ...l Modulus Prescaler 1 20 3 2 4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 9 U402 19B800902P7 Synthesizer U502 19A702705P4 Quad Analog Switch U701 U705 19A703483P302 Quad 2 Input NAND Gate U702 19A703471P12...

Page 14: ...OUTLINE DIAGRAM UHF TRANSMITTER SYNTHESIZER BOARD 19D902779G3 G6 G10 19D902779 Sh 2 Rev 15 COMPONENT SIDE SOLDER SIDE LBI 38671N 9...

Page 15: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 1 Rev 22 LBI 38671N 10...

Page 16: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 2 Rev 22 LBI 38671N 11...

Page 17: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 3 Rev 22 LBI 38671N 12...

Page 18: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 4 Rev 22 LBI 38671N 13...

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