Motorola CP150TM User Manual
Page 60
7-6
VHF (136-162 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486769Z02-A)
June, 2005
6880309N62-C
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)
0.74V (Rx)
C30
30pF
0.1uF
C99
5.6K
RF BALUN
5
NC
4
6
3
2
1
R25
T41
IO1
1
2
IO2
IO3
3
IO4
4
NC
TP2
1
CR41
HSMS2829
C36
68nH
30pF
C22
1000pF
L33
L3
C41
15pF
68nH
FE_RF_INJ
0
R26
1
C44
20pF
SH1
SHIELD
68pF
R23
22K
L21
NU
C34
R24
750
R51
51
33pF
C8
30pF
6
3
2
1
C7
T42
IF BALUN
5
NC
4
CR1
1
3
2
MMBD352
68nH
L4
68nH
L1
1000pF
C20
C3
18pF
C4
1
47pF
C31
36pF
SH40
SHIELD
TP1
1
27pF
C1
FE_5R
L51
150nH
3.3pF
C5
1
3
2
15pF
C43
BFS540
Q21
L31
68nH
C33
C2
43pF
27pF
C29
R22
6.8K
L32
10pF
68nH
L41
68nH
NC
68nH
R20
1%
6.8K
100
L40
1000pF
R21
FE_RF_IN
C26
L22
100nH
C23
1000pF
20pF
C40
C35
33pF
L52
C6
560nH
2
5
6
3
1
4
22pF
UMT1
Q22
68nH
1000pF
C25
C32
L2
C24
68pF
NU
1K
FE_IF_OUT
36pF
R40
C9
NU
C42
RX_IN
C51
82pF
RX_INJ
5R
IF_OUT
Figure 7-4. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z02-A)