1
1
2
2
3
3
4
4
5
5
A
A
B
B
C
C
D
D
PROGCLK
PROGDATA
PROGCLK
PROGDATA
+5VDIG
+2.5VREF
+5VDIG
+5VDIG
+5VDIG
7.5VA_XCVR
+3.3VRX
+5VDIG
+5VDIG
+5VDIG
+2.5VREF
3V3LOGIC
20V
20V
+5VDIG
11
GND_SIGNAL
1,2,3,4,5,6,7,8,10,11,12
REFOSCMOD 11
IFA GC 10
7.5VA_XCVR
8,11
+3.3VRX
10,11
2ND_LO_TUNE 10
RXVTF 10
PWRSET 12
CTUNE 11
TXVCOMOD 11
12DACDATA
3
12DACENA
3
12DACCLK
1
8DACENA
2
PROGCLK
2,11
PROGDATA
2,11
EEP WP
1
Scale
R e v
Sheet
o f
Size
CAGE Code
Dwg No.
None
23386
Drawn
Thales Communications, Inc.
Rockville, Maryland
Thursday, November 15, 2001
9
12
02
4200716
E. HOOKER
D
8 BIT DAC
EEPROM
2.5 VDC
12 BIT DAC
Transceiver DACs
R175
130K
1%
R180
100K
1%
C275
0.1 uF
10%
R177
43.2K
1%
R272
100K
1%
R182
100K
1%
U33
MAX534B
365590
OUTB
1
OUTA
2
OUTC
16
OUTD
15
VDD
13
AGND
14
DGND
12
REF
3
DOUT
8
DIN
11
UPO
4
PDE
5
CLR*
7
LDAC
6
CS*
9
SCLK
10
R291
100
1%
R172
90.9K
1%
R290
100
1%
R252
100K
1%
C545
.033 uF
C257
0.1 uF
10%
R254
100K
1%
U76
LM7301
365661
OP
1
V-
2
-IP
4
+IP
3
V+
5
R255
100K
1%
C269
0.1 uF
10%
C271
0.1 uF
10%
C544
.033 uF
U31
MAX525B
365588
OUTA
3
FBA
2
OUTB
4
FBB
5
OUTC
17
FBC
16
OUTD
18
FBD
19
AGND
1
DGND
11
DOUT
12
UPO
13
REFAB
6
REFCD
15
CS*
8
DIN
9
SCLK
10
VDD
20
CL*
7
PDL*
14
R258
100K
1%
C303
0.1 uF
10%
R259
100K
1%
C117
0.1 uF
10%
R86
100K
1%
C267
0.1 uF
10%
U15
24C64
365440
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
W P
7
VCC
8
R253
100K
1%
+
C206
1.0 uF
20%
35V
C276
0.1 uF
10%
R186
47.5K
1%
R273
100
1%
R169
274K
1%
U35
74HCT125
365078-125
4A
12
4OE*
13
1A
2
1OE*
1
2A
5
1Y
3
2Y
6
4Y
11
3OE*
10
3A
9
VCC
14
2OE*
4
GND
7
3Y
8
R287
1M
1%
R256
100K
1%
C279
1000 pF
5%
+
-
U32
AD1582C
SOT23/3P
365795
1
2
3
R257
100K
1%
R262
100K
1%
TP17
TP
1
R263
100K
1%
TP18
TP
1
TP19
TP
1
TP20
TP
1
TP21
TP
1
TP24
TP
1
+
C268
2.2 uF
10%
10V
SS-25131
D25
BAR43S
SS-35620
2
3
1
C270
0.1 uF
10%
R266
100K
1%
R264
100K
1%
R179
23.7K
1%
R181
N U
R196
10K
1%
R193
10K
1%
U75
LM7301
365661
OP
1
V-
2
-IP
4
+IP
3
V+
5
Summary of Contents for G25AMK005
Page 2: ......
Page 8: ......
Page 30: ......
Page 60: ......
Page 62: ...7 2 G U A R D I A N V H F M O B I L E...
Page 66: ...9 2 G U A R D I A N V H F M O B I L E...
Page 69: ...G U A R D I A N V H F 1 1 0 W M O B I L E 11 1 CHAPTER 11 SCHEMATICS...