Circuit Board/Schematic Diagrams and Parts List
VMULT3
VMULT4
WARP
XTAL1
XTAL2
SFOUT
TEST1
TEST2
VMULT1
VMULT2
INDMULT
IOUT
LOCK
MODOUT
FREFOUT
IADAPT
AUX1
AUX2
AUX3
AUX4
ADAPTSW
PD_GND
PRE_GND
DGND
AGND
SFCAP
SFIN
VBPASS
PREIN
PVREF
REFSEL
SFBASE
MODIN
NC1
NC2
NC3
CCOMP
CEX
CLK
DATA
BIAS1
BIAS2
VRO
VCP
PD_VDD
PRE_VDD
DVDD
AVDD
14
12
11
25
23
24
28
37
38
15
16
43
4
41
19
45
48
1
2
3
46
13
47
5
34
36
20
26
30
21
32
35
18
27
10
17
29
31
9
8
7
40
39
42
44
33
6
22
63A27
U201
C204
2.2uF
C264
100pF
C263
0.75pF
C214
100pF
100pF
C211
R201
R202
100K
82K
DATA
100pF
C212
C210
100pF
L261
39nH
MODIN
CLK
CSX
PRESC
C202
1000pF
100pF
C201
VSF
TP201
1
330pF
C206
R281
4.7uF
C203
C207
56pF
NU
NU
NU
R205
C215
FADJ 2
GND
4
OUT
3
VDD
1
5V
C216
OSC_16.8MHZ
Y201
NU
NU
NU
R206
SYNTHESIZER TOP SHIELD
SYNTHESIZER BOTTOM SHIELD
SHIELD
SH201
SHIELD
SH202
L232
12uH
47K
R204
CR203
C238
470pF
1.6pF
C208
1
GND GND1
4
OUT
3
IN
6
FL201
75Z04
100pF
C260
100pF
C213
5V
LOCK
AUX4
AUX3
4.3K
R255
30
R256
Q210
2
4
1
3
R5
16.8MHz
10K
47K
4.7K
47K
120
R232
620
R231
0.1uF
C233
560
R233
C231
0.1uF
C234
0.47uF
C232
.047uF
TP202
1
MODOUT
100pF
C277
2.2uF
C278
4V_3.3V
C279
2.2uF
100pF
C220
GND
2
NC
4
3
ON_OFF*
VIN
1
VOUT
5
U248
LP2980
C294
100pF
0.47uF
C293
Vdda
SWB+
2.2uF
C235
C223
0.1uF
C224
0.1uF
L201
2.2uH
L203
2.2uH
0.47uF
C291
C218
0.1uF
C217
2.2uF
4
OUT
3
SD
ADP3300
U247
6
ERR
1
GND
5
IN
2
NR
0.22uF
C219
L202
2.2uH
0.1uF
C298
C292
0.1uF
5V
(SOURCE)
C282
C283
3
K3
CR201
A1
6
A2
5
A3
4
K1
1
2
K2
NU
NU
C229
1000pF
100pF
C230
.01uF
C258
C228
4.7uF
C259
.01uF
TC7ST04FU
U210
3
GND
2
1
NC
4
5
VCC
0.1uF
C296
5
VCC
TC7ST04FU
U211
3
GND
2
1
NC
4
C257
100pF
C265
NU
VCTRL
1.65V
Low (mV)
High (3.3V)
High (3.3V)
1.5V
2.3V
3.3V
7.5V
3.3V
3.5V@450MHz
9.5V@527MHz
Rx
3.7V
1.6V
Tx
1.6V
3.7V
39 Bias2
40 Bias1
UHF Band 2 Synthesizer Schematic Diagram
Summary of Contents for GP328 Plus
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