Motorola CP150TM - Manual (Page 222)

12-40 UHF (438-470 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486348Z13-C)
June, 2005 6880309N62-C
Y201
2.7pF
45J68
LOCK: 3 V
4.5 V
NU
NU
47k
RX: 0 V
3.5 V to 10 V
C201
TCXO
NU
NU
220pF
Crystal
R206
0 V
D201
C203
100
R202
C206
327 mV (RF)
67.3 mV (RF)
112.6 mV (RF)
2.8 V (TYP)
Y202
UNLOCK: 0 V
0.01uF
3 V
0 V
TX: 3 V
C202
1SV232
Reference Oscillator
NU
62pF
NU
NU
NU
14R06
150k
3 V
IN
1
C205
NU
16.8MHz
14R06
Y201
GND
2
GND1
4
OUT
3
62pF
1%
C202
NC
14 VMULT2
12 VMULT3
11
VMULT4
VRO
13
25 WARP
23 XTAL1
24
XTAL2
26 SFCAP
30 SFIN
28 SFOUT
37 TEST1
38 TEST2
21
VBPASS
47
VCP
15 VMULT1
44
PD_GND
PD_VDD
5
32
PREIN
33
PRE_GND
34
PRE_VDD
35
PVREF
18
REFSEL
27 SFBASE
16 INDMULT
43 IOUT
LOCK
4
10 MODIN
41 MODOUT
17 NC1
29 NC2
31 NC3
42
CCOMP
9 CEX
8
CLK
7 DATA
6
DGND
36
DVDD
19
FREFOUT
45
IADAPT
22
AGND
48
AUX1
1
AUX2
2 AUX3
3
AUX4
20
AVDD
40 BIAS1
39
BIAS2
63A27
U201
46
ADAPTSW
1
FN_MOD
TP200
C223
C213
.01uF
.01uF
TP240
1
L211
390nH
R206
NU
C211
0.1uF
NC
1000pF
C231
NC
0.1uF
C216
FN_PRESC
91
R220
R246
100K
1000pF
C227
R245
1.5K
NC
R244
51
470pF
C208
R221
91
3.7%
2.7pF
NC
NC
C203
FN_LOCK
NC
C214
1000pF
FN_5V
FN_V_STEER
R205
NC
NC
100
C204
470pF
C201
220pF
C207
0.1uF
C232
470pF
FN_16_8
C217
1000pF
C244
.01uF
FN_SYNTH_CS
0.1uF
C228
1
SH201
SHIELD
1
A3
K1
1
K2
2
K3
3
SH200
SHIELD
6
A1
5
A2
4
D220
FN_DATA
NU
R227
100pF
C241
R243
820
R230
22K
R247
47K
470pF
R212
0
C210
4
A3
1
K1
2
K2
3
K3
6
A1
5
A2
C221
D221
.01uF
2.2uF
C215
2.2uF
FN_V_SF
C218
C230
2.2uF
C240
NC
FN_VCO_MOD
1.3pF
NU
GND
2
OUT
3
VCC
4
VCON
1
10uF
C226
16.8MHz
45J68
Y202
D201
C220
22pF
2.2uF
NC
5V
5V
C212
NC
C225
10uF
NU
FN_TRB
C206
.01uF
C222
C224
.01uF
FN_CLK
0.1uF
C243
4.7uF
C233
NC
1uF
C245
C219
NC
NC
NC
0.1uF
FN_3V
NC
100
R223
NC
NC
150K
R202
V_SF
V_STEER
5V
C209
470pF
LOCK
PRESC
16_8_MHZ
3V
SPI_DATA_OUT
MOD_IN
SYNTH_CS
SPI_CLK
VCO_MOD
TRB
Figure 12-30. UHF (438-470 MHz) Synthesizer Schematic Diagram (8486348Z13-C)