Uhf2 (438-470 Mhz) 1-25 W Synthesiser And Vco (Sht 1 Of 2) - Motorola CM200 Service Manual

4-10
5V
5V
L217
390nH
C2000
3V
2.2uF
3V
L200
390nH
SPI_CLK
SYNTH_CS
MOD_IN
SPI_MOSI
C2046 C2048 C2047
120.p 120.p 120.p

UHF2 (438-470 MHz) 1-25 W Synthesiser and VCO (Sht 1 of 2)

C2015 C2034
0.1uF 120.p
C2198
1.n
C2005 C2023 C2035
2.2uF 10n 120.p
8
CLK
9
CEX
10
MODIN
7
DATA
U200
30
SFIN
FRACN_63A27
35
PVREF
21
VBPASS
40
BIAS1
39
BIAS2
26
SFCAP
27
SFBASE
32
PREIN
18
REFSEL
C2045 C2006
42
CCOMP
120.p 2.2uF
17
NC1
29
NC2
31
NC3
SH200
SHIELD
1
R200 R206
100.K 120.K
V_SF
C2052
C2033 C2014 C2002
120.p
120.p
0.1uF 4.7uF
R208
C2067
51.
5.1p
R225
150.
R226
150.
23
XTAL1
24
XTAL2
19
FREFOUT 16.8MHZ
41
MODOUT
R229
VCO_MOD
100.
C2049
15
VMULT1
14 120.p
VMULT2
DNP
12
VMULT3
11
VMULT4
48
AUX1
1
AUX2
2
AUX3
3
AUX4
C2129
37
120.p
TEST1
38
TEST2
43
IOUT
45
IADAPT
4
LOCK SYNTH_LOCK
46
ADAPTSW
28
SFOUT
16
INDMULT C2050
25
WARP
120.p
TP201
1
TEST_POINT
3V
DNP
C2051 C2054
220p 62.00p R205
5V
0.
DNP
R204
0.
C2020 C2017
100n 0.1uF
C2053
VCC
120.p Y200
3 45J68
OUT
DNP
R210
DNP 16.8MHz
100.K
DNP
Y201
14R06
FREQ
1 3
IN OUT
L210
D202
33n
C2068
5.1p
UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics
C2026
10n
C2055 C2025
K3 A3
10n
22p
K2 A2
K1 A1
C2024
10n D200
C2027 D201
10n
K3 A3
K2 A2
NC K1 A1 NC
R202
0.
C2036 C2001 C2013
DNP
120.p 0.1uF
4.7uF
R224
C2074 R217 1.5K
C2028
100.n 1.3K
2.2n
R234
39.
TP200
1
TEST_POINT
R209
100.K
C2075 C2080 C2079 C2078
100.n 100.n 100.n 100.n
R207
150.K
4
1
VCON
GND
2
V_SF
C2072
2.7p
R228
100.
C2016 C2004
0.1uF 2.2uF
L205
1uH
C2077
100.n
Q201