Motorola CP150TM User Manual
Page 108
7-38
VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z13-C)
June, 2005
6880309N62-C
0.74V (Rx)
700mV (RF)
3.95V (Rx)
2.0V (Rx)
3.38V (Rx)
3.95V (Rx)
0V (Tx)
5.0V (Rx)
485mV (RF)
500mV (RF)
445mV (RF)
705mV (RF)
3.9V (Rx)
125 mV (RF)
128 mV (RF)
C36
68nH
2%
24pF
1%
C22
1000pF
L33
L3
C41
1%
15pF
2%
68nH
FE_RF_INJ
0
R26
1
C44
1%
20pF
SH1
SHIELD
56pF
R23
1%
22K
L21
NU
C34
1%
R24
750
R51
51
33pF
1%
C8
1%
30pF
6
3
2
1
C7
T42
IF BALUN
5
NC
4
CR1
1
3
2
MMBD352
L4
68nH
2%
C30
1%
24pF
0.1uF
C99
4
6
3
2
1
R25
5.6K
T41
RF BALUN
5
NC
SH40
SHIELD
1
TP1
1
1%
C31
30pF
C1
1%
22pF
150nH
FE_5R
3.0pF
3.3%
C5
L51
15pF
1%
C43
BFS540
Q21
1
3
2
L31
2%
68nH
1%
C2
36pF
1%
24pF
C33
R22
6.8K
10pF
C29
1.0%
68nH
2%
L32
NC
68nH
2%
L41
R20
1%
6.8K
L40
2%
68nH
R21
100
HSMS2829
IO1
1
2
IO2
IO3
3
IO4
4
NC
TP2
1
CR41
C35
27pF
1%
680nH
L52
3
1
4
15pF
1%
C6
UMT1
Q22
2
5
6
1000pF
C25
L2
68nH
2%
56pF
1%
C32
NU
C24
FE_IF_OUT
R40
1K
NU
C42
1%
36pF
C9
C51
82pF
L1
2%
68nH
1000pF
C20
15pF
C4
1%
1%
47pF
C3
C26
1000pF
FE_RF_IN
L22
100nH
C23
1000pF
RX_IN
20pF
1%
C40
RX_INJ
5R
IF_OUT
Figure 7-40. VHF (146-174 MHz) Receiver Front End Schematic Diagram (8486342Z13-C)