8-68
Schematics, Board Overlays, and Parts Lists
: Transceiver (RF) Boards
November 16, 2006
6881094C31-E
Figure 8-45. NLE4278D UHF Range 1 Frequency Unit (Synthesizer) Circuit
R204
R201
33K
56K
Vdd3
C233
0.1uF
R220
27K
9
9
2
P
T
1
C222
4700pF
2000pF
C219
C227
0.1uF
R210
390
R209
10K
R213
10K
VSF
10K
R215
100pF
Place close to P1-7
NC
C213
C288
R202
1000pF
C218
.047uF
2K
0.1uF
C205
L208
2.2uH
NC
Vdd3
TP243
1
120pF
NC
C230
0.1uF
L203
2.2uH
IN
2
6
OS
OUT
5
7
SHDN
4
D
D
V
C201
MAX7414
FL200
CLK
8
1
COM
D
N
G
3
C232
LMH6723
U201
4
3
1
5
2
10uF
C206
10uF
NC
NC
14
VMULT2
12
VMULT3
11
VMULT4
O
R
V
3
1
25
WARP
23
XTAL1
24
XTAL2
26
SFCAP
30
SFIN
28
SFOUT
37
TEST1
38
TEST2
21
VBPASS
7
4
P
C
V
15
VMULT1
4
4
D
N
G
_
D
P
D
D
V
_
D
P
5
32
PREIN
3
3
D
N
G
_
E
R
P
4
3
D
D
V
_
E
R
P
35
PVREF
18
REFSEL
27
SFBASE
16
INDMULT
43
IOUT
LOCK
4
10
MODIN
41
MODOUT
17
NC1
29
NC2
31
NC3
CCOMP
9
CEX
8
CLK
7
DATA
6
D
N
G
D
6
3
D
D
V
D
19
FREFOUT
45
IADAPT
2
2
D
N
G
A
48
AUX1
1
AUX2
2
AUX3
3
AUX4
0
2
D
D
V
A
40
BIAS1
39
BIAS2
42
63A27
U202
46
ADAPTSW
DTC144EKA
C202
0.1uF
Q701
NC
R217
1.2K
VSF
L205
1uH
C925
0.1uF
L201
2.2uH
2.2uH
C209
0.1uF
K3
NC
L202
D202
A1
4
5
A2
6
A3
3
K1
2
K2
1
3
2
K2
1
K3
Vdd5
D201
4
A1
5
A2
6
A3
K1
L204
Vdd3
NC
Vdd3
2.2uH
NC
C203
2.2uF
C225
0.1uF
C214
100pF
C207
0.1uF
NC
Vdd5
C226
0.1uF
0.1uF
C242
.01uF
C234
C236
0.1uF
C208
R214
1000pF
1K
NC
Vdd3
C229
100pF
16.8MHz
45J68
Y200
D
N
G
2
OUT
3
C
C
V
4
VCON
1
220pF
NC
C204
C337
NC
0.1uF
39
R207
Vdd3
Vdd3
8.2K
C231
.01uF
R216
NC
0.1uF
C210
C235
100pF
1
VOUT
TP210
TEST_POINT
1
4
DIN
2
D
N
G
5
SCLK
6
SYNC
3
D
D
V
0.1uF
AD5320BRT
U203
C220
10uF
C224
L207
1uH
2
1
0.1uF
Vdd5
Vdd3
C221
R208
33K
R212
120
0.1uF
C216
R211
1K
NC
C211
0.1uF
39K
R205
Vdd3
C212
R721
20pF
C215
1K
.047uF
0.1uF
LOCK
VCP
SCEN
PRESC
F168
C217
SSFS
SSCK
SSTD
DATA
Vdd3
Vdd5
CLK
CSX
VCTRL
AUX1
AUX2
AUX3
AUX4
Summary of Contents for ASTRO XTS-5000
Page 7: ...vi Table of Contents November 16 2006 6881094C31 E Notes ...
Page 11: ...x List of Figures November 16 2006 6881094C31 E Notes ...
Page 17: ...November 16 2006 6881094C31 E xvi CommercialWarranty Notes ...
Page 31: ...November 16 2006 6881094C31 E xxx Portable Radio Model Numbering System Notes ...
Page 83: ...November 16 2006 6881094C31 E 3 44 Theory of Operation Encryption Module ...
Page 135: ...November 16 2006 6881094C31 E 5 44 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 175: ...November 16 2006 6881094C31 E 7 32 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 367: ...November 16 2006 6881094C31 E Glossary 10 Notes ...
Page 373: ...Index 6 November 16 2006 6881094C31 E Notes ...