Sintetizador Y Vco 1-25 W Uhf2 (438-470 Mhz) (Hoja 2 De 2) - Motorola EM200 Serie Manual De Servicio

Esquemas eléctricos de la tarjeta de circuito impreso 8488978U01 del radio UHF 1-25 W banda 2 (rev. P9)
DNP DNP
C2076 C2012
0.1uF
100.n
SH201
SHIELD
1
VCO Shield
V_SF
L201
680nH
C2009
100n
C2061
C2064
12p
6.2p
L211 C2069 L206
D203
C2057
100.0n 1.2p 12.5n
5.1p
L203
150.n
C2056
5.1p
C2030
3.9n
L204
150.n
C2062
C2063
8.200p 12p
D204
L213 L207 C2073
100.0n 7.80n 1.p
C2066
2.4p
V_SF
VCO_MOD R211
6.8K
R212
47.K
D205
R231
51.
C2038 R235 C2040 C2008 C2007 C2042
120.p 18. 120.p 0.1uF 0.1uF 120.p
V_SF
C2021
1.n
C2010
C2039
L202
120.p
100n
680nH
R216 R215
C2022
10n 2.7K 2.7K
1
10
TX_IADJ
TX_OUT
2
8
RX_IADJ
RX_OUT
3
SUPER_FLTR
4
12
COLL_RFIN U201 PRESC_OUT
5
RX_BASE
50U54
6
7
RX_EMITTER RX_SWITCH
16
13
TX_BASE
TX_SWITCH
15
TX_EMITTER
20
FLIP_IN
19
TRB_IN
R232
47.
R221
220.
L214
47nH
C2058
5.1p
R233 V_SF
47.
R222
220.
C2059
5.1p
L215
47nH
R201 C2029
10.K 120.p
L209 R220
100.0n 510.
C2041
C2011
120.p
0.1uF
L208
100.0n
L216
C2060
18.n
15p
C2071
NC
12.p
NC
R230
75.
9R
C2018 C2019
120.p 120.p
R214 L212
4.7K 33n
C2065
C2031 R219
6.2p
1n 820.
DNP
DNP
C2043
R203
6.8p 3
0.
1
Q200
BFS540
R218
2
1.K
C2044
R213 R227
3.3p 4.7K
82.
DNP
C2081
120.p

Sintetizador y VCO 1-25 W UHF2 (438-470 MHz) (hoja 2 de 2)

4-11
IF200
TX_INJ
1
C2070
12.p
C2037 C2003
120.p 100n
RX_INJ
R223
220.
C2032
120.p
SH202
SHIELD
1
VCOBIC Shield
73D02968C74-O
SHEE 5 OF 8