Motorola GP344 - Page 384

3-28 UHF2 PCB and Schematic Diagrams (EPP)
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
470pF
(SOURCE)
SYNTHESIZER TOP SHIELD SYNTHESIZER BOTTOM SHIELD
NU
NU
NU NU
NU
C238
C208
39pF
C207
TP201
1
330pF
C206
L232
12uH
C219
C296
0.22uF
C292
0.1uF
0.1uF
C204
2.2uF
C265
TP202
1
SWB+
C214
100pF
R281
C283 C282
6
ERR
1
DNG
5
IN
2
NR
4
OUT
3
SD
MODOUT
2.2uH
ADP3300
U247
2.2uF
L203
C235
0.1uF
C298
L261
39nH
C231
0.1uF
C230
100pF
C229
1000pF
R255
IN
6
4.3K
FL201
75Z04
1
GND
1DNG
4
OUT
3
1
if
SHIELD
SH202
1
SHIELD
SH201
0.75pF
C263
2.2uF
C278
C279
2.2uF
100pF
100pF
C277
C294 C293
0.47uF
0.47uF
C291
C203
4.7uF
C202
1000pF
C201
100pF
0.1uF
C218C217
2.2uF
L202
2.2uH
VMULT2
14
12
VMULT3
VMULT4
11
ORV
31
25
WARP
XTAL1
23
XTAL2
24
SFCAP
26
SFIN
30
SFOUT
28
TEST1
37
TEST2
38
VBPASS
21
PCV
74
VMULT1
15
DNG_DP
44
DDV_DP
5
PREIN
32
D
NG
_
ERP
33
DDV_ERP
43
PVREF
35
REFSEL
18
SFBASE
27
INDMULT
16
IOUT
43
LOCK
4
MODIN
10
MODOUT
41
NC1
17
NC2
29
NC3
31
42
CCOMP
CEX
9
CLK
8
DATA
7
DNGD
6
DDVD
63
FREFOUT
19
IADAPT
45
DNGA
22
AUX1
48
AUX2
1
AUX3
2
AUX4
3
DDVA
02
BIAS1
40
BIAS2
39
63A27
U201
ADAPTSW
46
CR203
100pF
C220
TC7ST04FU
U211
3
GND
2
1
NC
4
5
VCC
TC7ST04FU
U210
3
GND
2
1
NC
4
5
VCC
2
4
1
3
BW_SEL
Q210
C257
100pF
100pF
C260
C223
0.1uF
C232
.047uF
C234
0.47uF
0.1uF
C233
L201
2.2uH
120
R232
620
R231
30
R256
C259
.01uF
C258
A3
4
K1
1
2
K2
3
K3
.01uF
CR201
A1
6
A2
5
C224
0.1uF
2
CN
4
3
*FFO_NO
NIV
1
TUOV
5
U248
LP2980
GND
560
R233
C264
100pF
47K
4.7uF
R204
C213
C228
100pF
100pF
C212 C211
100pF100pF
C210
100K
R201
R202
82K
R5
Vdda
5V
LOCK
AUX4
MODIN
SWB+
CLK
DATA
CSX
PRESC
AUX3
VCTRL
VSF
5V
16.8MHz
UHF2 Synthesizer Schematic Diagram
8416243H04