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95
SCHEMATIC DIAGRAM
NX-900
DV : 0V
DN : 0.90V
R : 4.89V
R : 1.38V
R : 4.98V
R : 4.94V
R : 4.34V
NW : 0V
W4K : 0.90V
W5K : 0.90V
W5K : 5mV
W4K : 5mV
DN : 5mV
NW : 3.29V
DV : 3.29V
0.22V
DV : 0.26V
DN : 2.86V
NW : 0.26V
W4K : 2.86V
W5K : 2.86V
W5K : 0V
W4K : 0V
DN : 0V
NW : 0.90V
DV : 0.90V
T : 0V
R : 1.21V
R : 1.83V
T : 0V
R : 4.75V
T : 0V
1.86V
4.62V
T : 4.21V
R : 2.18V
R : 2.86V
T : 0V
R : 7mV
T : 4.91V
FL : 1.08V
FH : 1.05V
FH : 5.60V
FL : 5.97V
FH : 2.02V
FL : 2.04V
FH : 7.55V
FL : 7.60V
FM_DET
C217 0.1u
C228 0.1u
C218 4.7u
C219 4.7u
C227 82p
0.1u
C358
W_/N
1k
R328
0.01u
C201
RT1N441U-T111
Q202
0.1u
C204
WIDE/NARROW
0.1u
D201
DAN235E
(W/N)
SWITCH
Q201
(W/N)
SWITCH
RT1P141U-T111
(W/N)
SWITCH
2.2k
R201
0.1u
C202
C205
0.1u
C203
CD201
DAN235E
15k
R208
22k
R203
0.1u
1.5k
R326
0
22k
R206
0.1u
NARROW
CF202
L72-1041-05
C332
R344
IN
C333
oUT
D202
0.01u
C336
6.8k
R329
Q212
47k
R331
EMD9
3.3k
R215
L79-1850-05
10k
R219
22k
R205
WIDE
CF201
L72-1027-05
C330
0.1u
R343
IN
0
22k
R202
C331
0.1u
oUT
SWITCH
(W/N)
C342
C343
0.1u
10u
R216
0
10
R330
0.1u
C225
R338 0
R210 10
50R
22k
C348
R346
33C
R333
C214
C206
10p
2nd LOCAL
BUFFER AMP (X3)
C208
1k
R213
0.01u
C207
0.01u
47
560n
0.01u
2SC5636
Q203
330k
R207
10p
C211
0
R332
C210
R353
0
C216
68p
68p
L201
100n
47n
L204
47p
C220
0.01u
C222
0.01u
C223
R204
L202
100p
C215
1k
50C
23
GND
2
0.1u
C230
1000p
IF_DET
0.1u
C212
0
R212
(2nd IF DET)
BUFFER AMP
18k
R221
LIMo
C233 1u
R225 15k
C337 0.1u
C338 0.1u
R224 10k
0.1u
C229
0.01u
C231
C221
C226
10u
10u
AMSW
AMDETo
FMDETo
QUADi
11
12
22k
14
13
R228
0
R334
C232 0.1u
R227 100k
NAMPi
AMIFdecp
AGC
RSSIo
RFAGCo
AGCAMPo
FMIFdecp1
FMIFdecp2
10
9
FMIFi
7
8
15
16
18
17
1u
NAMPo
COMPo
COMPi
VCC
AMIFi
6
5
OSC<E>
MIXo
3
4
270k
R223
20
19
C341
22
21
10k
R234
1k
R230
Q204
2SC3356(R23)
0
R235
1st
IF AMP
C213
R209
10
VDD
VIN-
0.01u
C224
MCP6021-E/OT
VSS
VoUT
1
2
IC201
47k
VIN+
R220
3
0.1u
1k
R211
5
R218
4
10k
R229
C334
R222
1k
oUT
IN
1k
0.1u
L72-1040-05
CF203
0.01u
C260
100p
C257
(LOCAL)
BUFFER AMP
R920
L206
0.01u
C234
RFin
TK10931VTL-G
OSC<B>
1
IC202
IF IC
24
0
R345
C339
R226
47k
0.01u
100k
R237
100
R232
560n
L205
C238
0.01u
220
R231
C237
100p
0
50R
50R
R339
C344
R340
R341
120
120
47
100p
6.8k
R262
100p
C264
270
R267
2SC5636
Q208
C261
6p
R266
R265
2.2k
10k
C266
L209
8.2n
47
R269
C269
80T
+B
2.5p
C267
100p
100p
4.7k
R261
50R
80T
80T
80T
0.1u
C154
100p
C148
L919
33
R89
10n
L444
330
R90
4700p
C149
10n
L920
10k
R523
3p
C86
10k
R88
100p
C144
100
R91
3.5p
C981
100
R938
2p
C982
10n
L921
2p
C938
15n
L916
1.5p
C967
5p
C969
47p
C970
47p
C971
2p
C973
3p
C975
5.6n
L914
5p
C974
1p
C976
7p
C968
15n
L447
15n
L448
22n
L449
12p
C159
47p
C168
5.1n
L450
15p
C182
1p
C979
4.7k
R70
1p
C177
2p
C146
7p
C161
4p
C111
2.5p
C173
2p
C564
5p
C163
2p
C160
10p
C966
1.5p
C167
5.1n
L451
1p
C977
5.6n
L915
15n
L917
180
R613
3.3k
R101
100p
C102
0.01u
C103
33
R152
47p
C152
4p
C648
6p
C153
6.8n
L152
180
R98
5.6n
L157
2.7n
L158
6p
C150
330
R154
4p
C158
12
R159
10p
C112
4p
C155
390
R156
390
R163
100p
C156
R157 330
L156 8. 2n
C176 0.1u
C109 47p
R99 1.2k
10k
R172
10k
R171
47p
C166
0.1u
C110
47p
C164
330
R158
330
R170
5p
C151
6.8n
L150
1.5n
L151
7p
C116
10p
C157
330
R161
0.1u
C174
15k
R173
10k
R174
C115 0.01u
C117 47p
R160 3.3k
4.7u
C108
22p
100p
470p
C134
HVC131
D101
HVC131
D205
2SK3077F
Q150
RD01MUS1-T113
Q151
100p
C107
2SC5108(Y)F
Q420
C135
C133
50C
RF BUFFER AMP
TX PRE-DRIVE AMP
TX DRIVE AMP
SWITCH
MI1
ME
MI1
ME
D201
1.5k
R324
T/R
T/R
SWITCH
D101
SWITCH
CF
CF
Fin
80T
2
9
2
9
2
9
X57-806 (A/2) 12/14
BH
BG
BF
BE
BD
TX-RX UNIT (X57-8060-10) (A/2)
Summary of Contents for NEXEDGE NX-900
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