Motorola CP150TM User Manual
Page 92
7-22
VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z09-A)
June, 2005
6880309N62-C
125 mV (RF)
500 mV (RF)
0.74 V (RX)
3.9 V (RX)
700 mV (RF)
128 mV (RF)
705 mV (RF)
3.38 V (RX)
3.95 V (RX)
0 V (TX)
5.0 V (RX)
3.95 V (RX)
2.0 V (RX)
485 mV (RF)
445 mV (RF)
1%
47pF
C3
15pF
C4
1%
R25
5.6K
R24
750
L31
2%
68nH
0.1uF
C99
L22
100nH
24pF
1%
C36
L33
68nH
2%
2
1
C22
1000pF
T41
RF BALUN
5
NC
4
6
3
6
3
1
4
UMT1
Q22
2
5
1%
22pF
C1
FE_5R
0.1%
C5
L51
150nH
C43
3.0pF
BFS540
Q21
1
3
2
15pF
1%
82pF
30pF
C51
33pF
1%
C8
1%
R26
C7
1%
20pF
0
C25
C44
68nH
2%
L32
1000pF
68nH
2%
L41
1%
6.8K
NC
L40
2%
68nH
R20
R21
150
C26
1000pF
R23
1%
22K
C34
1%
56pF
1
L21
NU
IF BALUN
5
NC
4
6
3
2
1
3
2
T42
MMBD352
CR1
L4
68nH
2%
L1
2%
68nH
2%
68nH
L3
C41
1%
15pF
1%
24pF
C33
C29
1%
R22
6.8K
1%
24pF
43pF
SH40
SHIELD
1
C30
TP1
1
SH1
SHIELD
1
NC
1%
C2
36pF
CR41
IO1
1
2
IO2
IO3
3
IO4
4
TP2
1
1000pF
C20
L52
1%
C6
560nH
15pF
C23
1000pF
20pF
1%
C40
1%
C35
27pF
NU
C24
R51
51
R40
1K
NU
C42
1%
36pF
C9
L2
68nH
2%
56pF
1%
C32
RX_IN
1%
C31
30pF
RX_INJ
5R
IF_OUT
Figure 7-28. VHF (146-174 MHz) Receiver Front End Schematic Diagram (8486342Z09-A)