Motorola GP Series Detailed Service Manual page 400

3-48
UHF2 (450-527 MHz) Synthesizer
U211
TC7ST04FU
U210
TC7ST04FU
C265
C296
0.1uF NU
1 4 1 4
NC NC
3 5 3 5
GND VCC GND VCC
2 2
C258
.01uF
C259
.01uF
CR201
3 4
K3 A3
2 5
K2 A2
1 6
K1 A1
C229 C228
C230
1000pF 4.7uF
100pF
C283
C282
NU NU
C298
0.1uF
CLK
CSX
MODIN
DATA
C214 C211
C210 C212
100pF R201
100pF 100pF 100pF
82K
R202
100K
C264
L261
39nH 100pF
PRESC
C263 C204
0.75pF 2.2uF
VSF
C201 C202
1000pF
100pF
C257
100pF
U247
ADP3300
ERR SD
6
OUT IN
5V
4
(SOURCE) NR
C291
2
0.47uF
L202
2.2uH
L203
2.2uH
C292
0.1uF
C235
C219 C223
2.2uF
0.22uF 0.1uF
L201
2.2uH
C218
C224 C217
0.1uF 2.2uF 0.1uF
23
XTAL1
24
XTAL2
8 19
CLK FREFOUT 16.8MHz
9 41
CEX MODOUT
10 15
MODIN VMULT1
7 14
DATA VMULT2
30 12
SFIN VMULT3
11 1
VMULT4
35
PVREF
21 48
VBPASS AUX1
1 2
AUX2 BW_SEL C260
40 2
AUX3
100pF
BIAS1 U201 AUX3
39 3
BIAS2 63A27 AUX4
AUX4
3
26 37
SFCAP TEST1
27 38
SFBASE TEST2
32
PREIN
5V
43
IOUT
18 45
REFSEL IADAPT
42 4
CCOMP LOCK LOCK
46
ADAPTSW
17 28
NC1 SFOUT
29 16 C213
TP201
NC2 INDMULT
31 25 100pF
1
NC3 WARP
FL201
75Z04
C203
4.7uF 6
IN
C207
39pF
GND
1
R281 C206
330pF
NU
SWB+
3
5
C294 C293
100pF
0.47uF U248
3 1
LP2980
C277 C278
100pF 2.2uF
2
GND
Vdda
C220 C279
100pF 2.2uF
MODOUT
C233
R255
0.1uF
4.3K
Q210
C234 C232
R256 R231
0.47uF .047uF
30 120
R5
4
R232
C231
620
0.1uF
R233
560
L232
12uH
R204
47K
C238
470pF
3
OUT
C208
CR203 NU
SH201 SH202
SHIELD SHIELD
1 1
if
SYNTHESIZER BOTTOM SHIELD
SYNTHESIZER TOP SHIELD
UHF2 PCB 8486686Z02 Schematics
4V_3.3V
1
TP202
VCTRL