Sintetizador Y Vco 25-45 W Vhf2 (146-174 Mhz) (Hoja 1 De 2) - Motorola EM200 Serie Manual De Servicio

4-10
5V
5V
C2000
2.2uF
3V
L200
3V
390nH
SPI_CLK
SYNTH_CS
MOD_I N
SPI_MOSI
C2046 C2048 C2047 C2045
470pF 470pF 470pF
470pF

Sintetizador y VCO 25-45 W VHF2 (146-174 MHz) (hoja 1 de 2)

L217
390nH
C201 5 C2034
0.1u F 1000pF
C2035
C2005 C2023
2.2u F .01uF 1000pF
XTAL1 23
XTAL2 24
VCO_MOD
8 FREFOUT 19
CLK
9 MODOUT 41
CEX
10 VMULT1 15
MODIN
7
VMULT2 14
DATA
30 12
SFIN VMULT3
VMULT4 11
35
PVREF
21 48
VBPASS AUX1
AUX2 1
U200
40 AUX3 2
BIAS1
63A27
39 AUX4 3
BIAS2
26 TEST1 37
SFCAP
38
27
SFBASE TEST2
32
PREIN
C2006
43
IOUT
18 IADAPT 45
REFSEL
2.2uF
4
42
CCOMP LOCK
ADAPTSW 46
17 SFOUT 28
NC1
29 INDMULT 16
NC2
25
31
NC3 WARP
R200 R206
200K 150K
SH200
SHIELD
1
V_SF
C2033 C2014 C2002
1000pF 0.1uF C2052
10uF
L210
100pF
100nH
C2067
C2068
8.2pF 6.8pF
Esquemas eléctricos del radio VHF2 25-45 W banda 2, tarjeta de circuito impreso 8486487Z04
LVFRACN Shield
C2026
R225
150
.01uF
C2025
C2055
22pF
.01uF
R226
C2024
.01uF
150
C2027
.01uF
NC
C2036 C2001 C2013
1000pF 0.1u F
4.7u F
R229
16.8MHZ
100
C2049
470pF
DNP
SYNTH_LOCK
C2074
C2050 0.1uF
470pF
R209
1
100K
TEST_POINT
3V
TP201
R207
C2051 C2054 R205
150K
DNP
62pF
220pF 0
C2020
5V
0.1uF
R204
DNP
0
C2017
4
0.1uF
VCC
Y200
C2053
45J68
100pF
R210 DNP
1
3
OUT VCON
16.8MHz
DNP 100K
DNP GND
Y201
2
14R06
16.8MHz
1 3
IN
OUT
D202
C2072
2
4 2.7pF
K3 A3
K2 A2
R228
K1 A1
100
D200 C2016 C2004
0.1uF 2.2uF
K3 A3
K2 A2
K1 A1
NC
D201
R202 0
DNP
R224
L205
VCO SHLD
L203 & L204
1uH
1.5K
C2028
R217
1.3K
2200pF
R234
39
TP200
TEST_POINT
1
C2080 C2079
C2075 C2078 C2077
0.1uF 0.1uF 0.1uF 0.1uF
0.1uF
AU3
PRESEC_CLK