Motorola EM200 Serie Manual De Servicio página 404

Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 2
C2030
3900pF
C2076 C2012
3900pF
100.n
DNP
DNP
SH201
SHIELD
1
VCO Shield
V_SF
Q201
V_SF
L201
680nH
C2009
100n
C2038
120.p
C2021
1.n
C2064 C2061
6.2pF 12pF
C2069 L206
L211
1.2p
D203 100.0n 12.5n
C2057
5.1p
L203
150.n R232
47.
C2056
5.1p
L204
150.n
C2062
C2063
8.200p 12p
D204
L213 C2066 L207
2.4p
100.0n 7.80n
C2073
1.p
V_SF
R211
VCO_MOD
6.8K
R212
47.K
D205
R231
51.
C2040
C2007
120.p
0.1uF
C2008 C2042 C2041
R235
0.1uF 120.p 120.p
18.
100.0n
V_SF
C2010
C2039
100n 120.p
R216 R215
2.7K 3.6K
L202
C2022
0662057A62
680nH
10n
1
10
TX_IADJ TX_OUT
2
8
RX_IADJ RX_OUT
3
SUPER_FLTR
4
12
COLL_RFIN PRESC_OUT
5
RX_BASE
6
7
NC
RX_EMITTER RX_SWITCH
16
13
TX_BASE NC
TX_SWITCH
15
TX_EMITTER
20
FLIP_IN
19 U201
TRB_IN
50U54
R221
220.
L214
V_SF
47nH
R218
1.K
C2058
5.1p
R233
47.
C2059
R222
5.1p
220.
L215
47nH
R201 C2029
120.p
10.K
C2011
0.1uF
R220
L209
510.
L208
100.0n
C2060
L216
15p
IF200
18.n
1
C2070
C2071
6.2pF
6.2pF
2113740L13
2113740L13
R230
75.
9R
C2018 C2019
120.p
120.p
C2003
C2037 100n
120.p
R214
L212
4.7K
33n
C2031 C2065
R219
1n 120pF
820.
2113740F53
C2043
R203
3
6.8p
0.
1 Q200
BFS540
2
C2044
R227 C2032
R213
3.3p
82. 120.p
4.7K
SH202
SHIELD
1
VCOBIC Shield
Sintetizador y VCO 25-40 W UHF2 (438-470 MHz) (hoja 2 de 2)
4-11
TX_INJ
RX_INJ
R223
220.