Figure 7-20. Vco And Pll Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (UHF2 R&TTE: 435–470 MHz)
PLL_DATA
+3.3V
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+5V
C538 C539
10nF 10uF / 16V(A)
RX_EN_CIRCUIT
VCO_OUT(RX)
Q503
KRC404
TX_EN1
VCO_OUT(TX)
C747
10pF
Q711
KRA304
PLL_LD
+3.3V
PLL_CLK
R729
100K
PLL_STB
C755
R730
0.1uF(K)
33K
R737
R735 R736
1K 1K 1K
+3.3V
PLL_PS
9 10 11 12 13 14 15 16
R732 U701
10K MB15E03L
8 7 6 5 4 3 2 1
C738
7pF
C756
1nF
R731
R733
10R
0R
C741
0.1uF
R734
12.8MHZ VCXO
10R
4 3
VCC OUT
+5V
1 2
VCON GND
C740 C739
FL701
0.1uF 1nF
R701
220R
L701
R702
C702 27nH
Q705
1nF 1.5K
KRA305
C701
22uF / 10V(A)
Q701
2SC4226
C728 R703
6pF C705
4.7K (1%)
2pF
Q702
C710
Q706
2SC4226
C704 TZY02 6pF
KRA305 R706
1nF
100R
C706
C711
E C C709
3pF
13pF (MURATA)
7pF
L703
CR701
B 30113TL
KDV154E
R704
C714 4.7K (1%)
1nF
C715 L704
22uF / 10V(A) 220nH(1608) C707
9pF
R705
220R
C712
470pF
L708
R711
27nH
R707 100K
1.5K
Q703 C722
2SC4226 6pF
TZY02
C729
6pF
C723
C721
C717 R708 0.5pF C724 2.2uH(1608)
3pF
3pF 4.7K (1%) 11pF
R715 R714
L706
100R 56R
Q704
30103TL
2SC4226
C716
CR703
470pF
KDV154E
C731 C730
1pF 2pF C718 R709 C726
4pF 6.8K (1%)
0.5pF
C727
L707 R713
C719 2pF
220nH(1608) 30K
7pF R712
100K
CR702
R710
KDV154E
220R
L709
22nH
C746
10pF
+10V
C748
0.1uF
R717
R716
10R C749
300R
1uF(1608)
R718
7.5K
R719
1K Q707 Q708
KTC4075 KTA2014
R740 R727 R728
2.7K 2.7K
R720 1.5K
150R
R721
150R Q710
Q709
KTC4075 R726
KTA2014
3K
R722
C752 C753 C754
10K
0.1uF(K) 47nF(3216) 47nF(3216)
C751
1uF / 35V
C750
R723
0.1uF R725
1K R724
100R
390R
SH102
U502-B
NJM324
5 1 / 2VCC
7
6
R506 C515
C575
10K
0.1uF
47pF
R504
47K
R503
56K
SH101
L705
C725
470pF
TX_SUB_TONE
R505
C516
12K
10uF / 16(A)

Figure 7-20. VCO and PLL Schematic Diagram

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