Reference oscillator, 63a27 – Motorola CP150TM User Manual
Page 78
7-24
VHF 136-162 MHz Schematic Diagrams, Overlays, and Parts Lists (8486769Z04-C)
June, 2005
6880309N62-C
C206
C201
NU
RX: 0V
3.0V to 8.0V
4.5V
UNLOCK: 0V
D201
C203
100
NU
NU
TCXO
NU
62pF
0V
0V
Y201
NU
TX: 3V
LOCK: 3V
C202
0.01uF
R206
Crystal
107 mV (RF)
14R06
NU
Reference Oscillator
3V
1SV232
47k
3V
2.7pF
NU
R202
NU
Y202
150k
45J68
220pF
44 mV (RF)
205 mV (RF)
2.4 V (TYP)
D201
1SV232
6
A1
5
A2
4
A3
K1
1
K2
2
K3
3
D220
110K
R230
FN_DATA
1000pF
C231
1200pF
C244
NC
0.1uF
C216
C241
FN_PRESC
1200pF
NU
FN_TRB
C206
FN_5V
C211
0.1uF
FN_V_STEER
NC
NC
FN_MOD
51
R248
FN_V_SF
VCON
1
R206
NU
45J68
Y202
NU
GND
2
OUT
3
VCC
4
10uF
C226
16.8MHz
160K
R247
51
R244
FN_SYNTH_CS
0.1uF
C228
C205
NU
C293
470pF
0
R212
NC
NC
R223
FN_3V
NC
100
1
SHIELD
SH201
1
FN_LOCK
NC
SHIELD
SH200
C227
NC
NC
NC
1000pF
150
R220
100K
1
R246
C245
1uF
TP200
C225
10uF
NC
C223
C224
.01uF
.01uF
.01uF
TP240
1
C213
R205
470pF
C208
100
470pF
NC
NC
C210
C233
0.1uF
C243
2.2uF
4.7uF
NC
C230
5V
5V
C212
2.2uF
GND
2
GND1
4
OUT
3
IN
1
C202
NC
16.8MHz
14R06
Y201
VMULT4
VRO
13
25
WARP
23
XTAL1
24
XTAL2
62pF
1%
SFOUT
37
TEST1
38
TEST2
21
VBPASS
47
VCP
15
VMULT1
14
VMULT2
12
VMULT3
11
PREIN
33
PRE_GND
34
PRE_VDD
35
PVREF
18
REFSEL
27
SFBASE
26
SFCAP
30
SFIN
28
4
10
MODIN
41
MODOUT
17
NC1
29
NC2
31
NC3
44
PD_GND
PD_VDD
5
32
CLK
7
DATA
6
DGND
36
DVDD
19
FREFOUT
45
IADAPT
16
INDMULT
43
IOUT
LOCK
AUX2
2
AUX3
3
AUX4
20
AVDD
40
BIAS1
39
BIAS2
42
CCOMP
9
CEX
8
46
ADAPTSW
22
AGND
48
AUX1
1
560nH
L211
63A27
U201
R221
150
C219
C207
0.1uF
C232
470pF
NC
0.1uF
150K
R202
C209
470pF
FN_CLK
6
A1
5
A2
4
A3
1
K1
2
K2
3
K3
D221
.01uF
C221
NC
FN_VCO_MOD
R243
1.8K
C215
2.2uF
C218
2.2uF
C204
470pF
C201
220pF
NC
NC
C220
22pF
.01uF
C222
R245
1.5K
1000pF
FN_16_8
150K
C217
3.7%
2.7pF
R227
C203
5V
3V
PRESC
C214
1000pF
LOCK
V_SF
V_STEER
16_8_MHZ
SPI_DATA_OUT
MOD_IN
SYNTH_CS
SPI_CLK
VCO_MOD
TRB
Figure 7-18. VHF (136-162 MHz) Synthesizer Schematic Diagram (8486769Z04-C)