Motorola Xtl5000 Detailled 6881096c74 B Manual
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Page 451
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board 7-1916881096C74-B May 25, 2005 Figure 7-134. HUF4017A Receiver Front-End Schematic (Sheet 1 of 2) 5V AGC/Attenuator circuit 9.3V AUX .01uF C6259 TP6253 1 R6256 200 C6265 .01uF C6267 .01uF VN_B6262 VN_B6261 VN_B6252 VN_B6254 .01uF C6283 C6293 39pF IF6254 1K R6276 1 C6270 47pF 1uH L6256 TP6258 IF6252 .01uF C6286 .01uF Q6255 C6278 IF6253 D6250 2 3 1 IF6251 D6258 Q6254 R6255 1K VN_B6259,VN_B6260 VN_B6251 3 GND 2 IN...
Page 452
7-192Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main BoardMay 25, 2005 6881096C74-BFigure 7-135. HUF4017A Receiver Front-End Schematic (Sheet 2 of 2) 7.7VRX Receive 700 MHz TP6256, 58, 60, 62 LNA Output TP6255, 57, 59, 61 3V MIXER_RF_IN Test points 800 MHz RX Receive 7.7V RX switching voltages TP6254 MIXER_IF_OUT 4.3V 0V 2.3V TP6250 1 TP6261 1 1K R6275 D6256 .01uF C6257 7.5nH L6258 D6257 VN_B6258 .01uF C6255 2 GND2 GND4 4 5 IF LO 3 RF 1 C6276 .01uF MA4EX951H-1225...
Page 453
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board 7-1936881096C74-B May 25, 2005 Figure 7-136. HUF4017A Receiver Intermediate Frequency (IF) Schematic Going to Frontend IF_TO_ABACUS NO PLACE Coming From Abacus NO PLACE IF6360 IF6357 GND1 6 GND2 2 GND3 3 5 GND4 1 IN 4 OUT 73E16.5A B6350 R63531K L6351 680nH IF6358 IF6363 IF6356 4pF C6351 IF6350 C6358 0.1uF IF6354 L63521.2uH VN_T6350 VN_T6351 1uH L6355 0.1uF C6354 10pF C6353 820 TP6350 1 R6354 IF6361 2.2pF 5.6pF...
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7-194Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main BoardMay 25, 2005 6881096C74-BFigure 7-137. HUF4017A RF Power Amplifier (PA) Schematic (Sheet 1 of 2) RFPA/FGU INTERFACE RFPA/POWER CONTROL INTERFACE 3 VG2 10uF C6563 10 NC3 15 NC4 16 RFIN 6 RFOUT1 7 RFOUT2 1 VCNTRL 14 VD1 2 VG1EP 17 11 G2 4GND1 5 GND2 12 GND3 13 GND4 8 NC1 9 NC2U6500 30C65 IF6513 18.5nH L6521 .01uF C6508 IF6512 C6501 39pF Q6520 8.2 150nH L6500 R6523POS 1 IF6501 M6520 HEATSINK IF6507 .01uF C6507...
Page 455
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board 7-1956881096C74-B May 25, 2005 Figure 7-138. HUF4017A RF Power Amplifier (PA) Schematic (Sheet 2 of 2) 1% RFPA/OUTPUT NETWORK INTERFACE C6557 39pF IF6543 13pF C6549 1K R6543 L6543 57R01 C6545 12pF R6550 2 C655939pF R6553 2 GND 3 POS 1 VOUT 2 3.3pF LM50 U6540 2 R6555 C6556 IF6540 VN_B6541 11pF C6541 R65522 L6542 C6562 0.1uF 17nH 33 R6559 C6554 VN_B6566 13pF 5.1pF C6553 C65600.1uF VINPOS 5 VPOS R6547 33 INA138...
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7-196Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main BoardMay 25, 2005 6881096C74-BFigure 7-139. HUF4017A Frequency Generation Unit Overall Schematic (Sheet 1 of 2) *NP* Syn_Sel 3.0 Volt Regulator CLOCK DATA 0.1uF C6785 R6756 1K 2 1 NC 4 5 VCC L6755 560nH TC7SH04 U6752 3 GND 0 R6782 NC C6807 0.1uF R6770 IF6762 47K IF6780 C6768 10uF NC C6794 0.47uF C6783TP6756 1 .0012uF 0.1uF C6789 NC IF6768 7.5K R6768C6787 0.1uF 47K R6763 F3.0v IF6777 IF6779 C6751 1uF IF6754 C6758...
Page 457
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board 7-1976881096C74-B May 25, 2005 Figure 7-140. HUF4017A Frequency Generation Unit Overall Schematic (Sheet 2 of 2) IF6766 NC D6750 150 R6779 From_RX_VCO RX_FDBRX_INJ VS1 VS2 F9.3V C6792 10uF TP6754 1 GND6 7 GND7 9 GND8 10 GND9 11 RF_OUT 20 SWBPOS1 2 SWBPOS2 17 GND17 21 GND18 22 GND2 3 GND3 4 GND4 5 GND5 6 12 GND11 13 GND12 14 GND13 15 GND14 16 GND15 18 GND16 19 U6755 06G61 700-800MHz CONT_V 8 GND1 1 GND10 IF6767...
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7-198Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main BoardMay 25, 2005 6881096C74-BFigure 7-141. HUF4017A Frequency Generation Unit 800 MHz Receive Injection Schematic C6821 .01uF C6824 39pF R6800 18 39pF C6820 4.7K R6797 R6790 300 R6804 300 R6802 300 L6757 3.3nH 150 C6822 R6795 C6825 39pF 39pF R6796 0.1uF C6823 1K 300 R6799 R6793 150 39pF R6794 39 39pF C6841 C6840 R6824 300 Q6762 .01uF C6826 R680318 R6789 12nH L6758 2GND2 4 GND3 5 GND4 3 RFIN 6 RFOUT 300 Q6763...
Page 459
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board 7-1996881096C74-B May 25, 2005 Figure 7-142. HUF4017A Frequency Generation Unit 800 MHz Transmit Injection Schematic R6810 18 39pF C6827 Q6766 R6805 5.6K R6806 1K R6807 150 R6808 10 8.2nH C6828 39pF L6760C6832 39pF C6833 .01uF R6823 360 R6827 300 3pF C6836 10 R6815 1K R6813 39pF C6831 150 R6814 C6834 39pF R6817 18 R6811 300 300 R6809 L6763 8.2nH Q6765 R6819 15K 300 R6818 R6820 10K R6826 18 R6816 300 R6812 5.6K 82...
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7-200Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main BoardMay 25, 2005 6881096C74-BFigure 7-143. HUF4017A Main Board Layout—Side 1 Top C0401 C0406 C0407 C0412 C0413 C0417 C0463 C0464 C0467 C0952 C0955 C0956 C0957 C0959 C0962 C0963 C0964 C0965 C0966 C0967 C0971 C0972 C0973 C0975 C0976 C0978 C0979 C0980 C0983 D0952 J0950 3 41 Q0503 Q0955 R0430 R0515 R0531 R0907 R0946R0947 R0950 R0953 R0954 R0960 R0963 R0964 R0967 R0968 R0969 R0970 R0971 R0972 R0973 R0974 R0975 R0976...