Sintetizador Y Vco 25-40 W Uhf2 (438-470 Mhz) (Hoja 1 De 2) - Motorola EM200 Serie Manual De Servicio

4-10
5V
3V
390nH
3V
SPI_CLK
SYNTH_CS
MOD_IN
SPI_MOSI
C2046 C2048 C2047 C2045
120.p 120.p 120.p 120.p
LVFRACN Shield

Sintetizador y VCO 25-40 W UHF2 (438-470 MHz) (hoja 1 de 2)

5V
L217
390nH
C2000 C2015 C2034
2.2uF
0.1uF 120.p
L200
C2005 C2023 C2035
120.p
2.2uF 10n
C2198
1.n
23
XTAL1
24
XTAL2
8 19
CLK FREFOUT
9 41
CEX MODOUT
10 15
MODIN VMULT1
7 14
DATA VMULT2
30 12
SFIN VMULT3
11
VMULT4
U200
35
PVREF FRACN_63A27
48
21
VBPASS AUX1
1
AUX2
2
40
BIAS1 AUX3
3
39
BIAS2 AUX4
37
26
SFCAP TEST1
38
27
SFBASE TEST2
32
PREIN
43
IOUT
45
C2006 18
REFSEL IADAPT
4
2.2uF 42
CCOMP LOCK
46
ADAPTSW
28
17
NC1 SFOUT
16
29
NC2 INDMULT
25
31
NC3 WARP
R200
R206
100.K 120.K
SH200
SHIELD
1
V_SF
C2002
C2033 C2014
10uF
120.p 0.1uF
2311049A72
C2052
120.p
L210
47.n
R208
100.K
C2067
5.1p
Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 2
R225
150.
C2055
22p
R226
150.
C2001
4.7uF
C2036
120.p
16.8MHZ
R229
VCO_MOD
100.
C2049
120.p
DNP
C2129
120.p
SYNTH_LOCK
C2050
120.p
TEST_POINT
1
R209
TP201
100.K
3V
R205
R207
0.
C2051
150.K
220p
C2054
62.00p
DNP
C2020 5V
R204
100n
0.
C2017
0.1uF
DNP
4
C2053
120.p
DNP
3 1
OUT VCON
R210
DNP
100.K
Y201
14R06
Y200 2
FREQ 45J68
DNP
16.8MHz
1 3
IN OUT
D202 C2072
2.7p
C2068
5.1p
C2026
10n
C2025 K3 A3
R228
10n
K2 A2 100.
K1 A1
D200
C2016
C2004
C2024
0.1uF
2.2uF
10n
C2027
K3 A3
10n
K2 A2
NC K1 A1 NC
D201
R202
0.
C2013
DNP
0.1uF
R224
1.5K
L205
C2074
1uH
100.n
R217 C2028
1.3K 2200pF
R234
39. TP200
TEST_POINT
1
C2078
1uF