Figure 7-47. Mdc/Qcii R&Tte Vco And Pll Schematic Diagram - Motorola P100 Series Detailed Service Manual

7-80
Figure 7-47. MDC/QCII R&TTE VCO and PLL Schematic Diagram
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+5V
+
C538 C539
10nF 10uF/16V(A)
RX_EN_CIRCUIT
VCO_OUT(RX)
TX_EN1
VCO_OUT(TX)
Q711
KRA304
+3.3V
PLL_CLK
PLL_DATA
PLL_STB
C755
R730
0.1uF(K)
33K
R735 R736 R737
1k 1k 1k
PLL_PS
9 10 11 12 13 14
R732
U701
10K MB15E03L
8 7 6 5 4 3
C756
1nF
R731
10R
+3.3V
C741
0.1uF
R734
12.8MHZ VCXO
10R
4 3
+5V OUT
VCC
1 VCON 2
GND
C740 C739 FL701
0.1uF 1nF
R701
220R
L701
R702
+ 27nH
KRA305 C702
1.5K
Q705 1nF
C701
22uF/10V(A)
Q701
2SC4226
C728
6pF
R703
C705
4.7K(1%)
Q702 2pF
KRA305 2SC4226
R706
Q706 C704 TZY02 6pF
100R
1nF
C706
C C709
E
3pF 4pF
L703
B
30113TL
+
C714
L704
C707
1nF
220nH(1608)
C715
9pF
22uF/10V(A)
Q503
KRC404 R705
220R
L708
27nH
R707
C722
Q703 1.5K
TZY02 6pF
C729
2SC4226
6pF
C723
C717 C721
R715 R714
0.5pF
3pF
100R 56R 3pF
Q704 L706
2SC4226 30103TL
C731 C730 C716
CR703
1pF 2pF
470pF
KDV154E
R709
6.8K(1%)
C718
4pF
L707
R713
220NH(1608)
C719 30K
7pF
R712
100K
R710
220R
L709
22nH
C746
C747
10pF
10pF
PLL_LD
R729
100K
+10V
C748
0.1uF
R717
R716
10R
C749
300R
1uF(1608)
R718
7.5K
R719
1K Q708
Q707
KTA2014
+3.3V
KTC4075
R740 R727 R728
R720
1.5K 2.7K 2.7K
150R
R721 150R Q710
Q709 R726
KTC4075
KTA2014
3K
15 16 R722
10K C752 C753
0.1uF(K) 47nF(3216)
+
C751
1uF/35V
C750 R723 R725
R724
0.1uF 1K 100R
390R
2 1
C738
7pF
R733
0R
SH102
C742
20pF
U502-B
NJM324
5
1/2VCC
7
6
R506
C515 C575
10K 0.1uF
47pF
R504
47K
R503
56K
Circuit Board/Schematic Diagram and Parts List UHF2 - MDC/QCII R&TTE (435–470 MHz)
C711
C710
13pF(MURATA)
CR701
KDV154E
C712
470pF SH101
R711
100K
L705
2.2uH(1608)
C724
11pF(MURATA)
C725
470pF
C726
0.5pF
C727 CR702
2pF KDV154E
TX_SUB_TONE
C754
47nF(3216)
R505
12K
C516
10uF/16V(A)