Motorola Radius CM300 - Page 175

VHF 1–25 W Band 2 PCB 8488977U01 (rev. P9) / Schematics 4-11
4
3V
TO SHEET 2
DNP
DNP
DNP DNP
VCOBIC Shield
VCO Shield
RX_INJ
TX_INJ
17
GND_LOGIC GND_FLAG
9
GND_BUFFERS
11
FLIP_IN
20
COLL_RFIN
SHEET 5 OF 8
73D02968C63-0
470.p
C2081
IF200
100.n
C2076
1.n
C2042 C2041
1.n
39.p
1.n
C2040
C2071
SHIELD
1
SH201
C2039
C2038
SH202
1
SHIELD
1n
1n
L204
680nH
680nH
L203
R223
C2003
220.
100n
C2037
1n
R203
0.
C2019
3.3p
C2044
100n
C2018
R230
V_SF
V_SF
100n
VCO_MOD
100.
510.
R220
V_SF
6.8p
C2043
C2012
C2022
0.1uF
NC
NC
680nH
10n
0.1uF
L202
C2066
C2011
5.6p
8.2p
R216
C2069
R215
4.7K3.9K
C2065
10p
1n
C2032
L213
4.7K
100nH
15.p
C2063
L212
100.
R214
100nH
R227
820.
C2031
R219
R213
4.7K
1n
Q200
BFS540
2
3
1
R201
100n
C2010
0.
C2064
10.p
100nH
39.p
L211
47.0n
L201
L216
C2030
C2070
3.9n
680nH
L207
47nH
L215
C2059
47.0n
18p
1.p
C2073
C2058
18p
C2029
12p
C2062
1n
R233
R222
220.
R212
R211
47.
47.K
30.K
R218
1.K
33.0n
L206
L214
47nH
47.
R235
18.
R232
C2021
220.
18p
R221
C2057
10n
C2056
C2061
12p
15p
C2009
18p
100n
C2060
50U54
9R
TRB_IN
19
SUPER_FLTR
3
RX_SWITCH
7
RX_OUT
8
RX_IADJ
2
RX_EMITTER
6
RX_BASE
5
PRESC_OUT
12
VCC_LOGIC
18
VCC_BUFFERS
14
TX_SWITCH
13
TX_OUT
10
TX_IADJ
1
TX_EMITTER
15
TX_BASE
16
U201
D203
D204
D205
R231
51.
100nH
L209 L208
C2007
100nH
0.1uF
0.1uF
C2008
VHF2 (146–174 MHz) 1–25 W Synthesiser and VCO (Sht 2 of 2)