Motorola GP344 - Page 399

UHF2 PCB and Schemtaic Diagrams 3-43
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
1
(SOURCE)
SYNTHESIZER TOP SHIELD SYNTHESIZER BOTTOM SHIELD
NU
NU
NU NU
NU
SWB+
TEST_POINT
TP202
CR203
R281
C204
2.2uF
0.1uF
SH202
1
C218
SHIELD
SH201
1
if
SHIELD
0.75pF
C263
C208
C207
330pF
C206
39pF
TEST_POINT
TP201
1
L232
12uH
C296
0.1uF
C292
0.1uF
GND
1DNG
4
OUT
3
IN
6
FL201
75Z04
1
C298
39nH
0.1uF
470pF
L261 0.1uF
C238
C231
C230
100pF
C229
1000pF
C212
100pF
4.3K
R255
C259
.01uF
C282C283
IN
2
NR
4
OUT
3
SD
MODOUT
ADP3300
U247
6
ERR
1
DNG
5
L203
2.2uH
C265
C279
C277
2.2uF
100pF
100pF
100pF
C294
C214
C293
0.47uF
C291
0.47uF
120
R231
R256
30
C217
2.2uF
L202
2.2uH
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
VMULT2
DNG_DP
44
DDV_DP
5
PREIN
32
DNG
_
ER
P
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
CCOMP
CEX
9
CLK
8
DATA
7
D
N
G
D
6
DDVD
63
FREFOUT
19
IADAPT
45
DNGA
22
AUX1
48
AUX2
1
AUX3
2
AUX4
3
DDVA
02
BIAS1
40
BIAS2
39
42
63A27
U201
ADAPTSW
46
C223
0.1uF
100pF
C220
3
GND
2
1
NC
4
5
VCC
3
GND
2
1
NC
4
5
VCC
TC7ST04FU
U211
2
4
1
3
TC7ST04FU
U210
BW_SEL
Q210
C257
100pF
0.22uF
C219
100pF
C260
C235
2.2uF
4.7uF1000pF
C203C202C201
100pF
R233
100pF
560
C264
R204
47K
C228
4.7uF
100pF
C213
100pF
C210 C211
100pF
R202
100K
82K
R201
.01uF
C258
A2
5
A3
4
K1
1
2
K2
3
K3
CR201
A1
6
C224
0.1uF
GND
2
CN
4
3
*FFO_NO
NIV
1
TUOV
5
U248
LP2980
2.2uF
C278
C232
.047uF
0.47uF
C234
L201
2.2uH
0.1uF
C233
R232
620
R5
Vdda
5V
LOCK
AUX4
MODIN
SWB+
CLK
DATA
CSX
PRESC
AUX3
VCTRL
VSF
5V
16.8MHz
UHF2 Synthesizer Schematic Diagram
8471475L01