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83
SCHEMATIC DIAGRAM
NX-800/800H
X57-739 (A/2) 4/16
TSRQP
1.39V
1.39V
4.95V
0.74V
4.34V
1.20V
1.76V
4.75V
4.80V
1.19V
1.79V
3.29V
4.33V
0.93V
R : 2.81V
T : 0V
7.92V
0.87V
0.15V
R : 0V
T : 4.94V
R : 2.14V
T : 4.26V
1.14V
0.52V7.60V
2SC5636
C83
100p
R263
R220R221
IF_DET
MCP6021-E/OT
IC201
C212
0.1u
R212
0
10
C213
0.1u
R211
1k
C224
0.01u
VoUT
BUFFER AMP
(2nd IF DET)
3
VIN+
2
VSS
1
4
5
VIN-
VDD
R218
10k
R209
RSSI
oUT
47k
C230
0.1u
R222
2.2k
18k
CF203
450kHz
IN
C334
0.1u
R229
2.2k
10k
C239
R239
100k
C236
47p
R238
63
(RSSI/VAGC)
BUFFER AMP
0.01u
VDD
7
8
R246
2
1
IC203
TC75W51FK(F)
5
VSS
4
VAGC
C244
47p
100k
100 2200
2SC3356(R23)
C240
0.01u
1st
IF AMP
Q205
R244
560n
L207
R243
L208
R242
R320
C246
0.01u
R245
100k
C243
0.01u
C242
470p
R248
470k
C247
0.1u
R250
00 0
6
INoUT
C252
1p
R256
180
XF202
3
1
5
4
2
58.05MHz
R257
0
C256
1p
R321
0
C261
R64
6.8k
R65
10k
C82
33p
Q10
C269
470p
4.7u
MIXER
SPM5001
S2
G2
R268
L211
L210
L39-1498-05
C262
0.01u
C265
0.01u
C263
470p
47
3
C268
1st
D2
IC204
D1
G1
2
1
L212
L39-1498-05
C270
470p
4
R270
S1
5
6
L215
2.2k
L39-1498-05
470p
C278
470p
C279
R276
1k
R271
R262
6.8k
R267
C264
470p
270
R265
10k
C344
100p
R339
47
R266
2.2k
22n
L209
Q208
2SC5636
C267
7p
C271
10p
C266
R269
47
1000p
C273
12p
L213
15n
C276
6p
L214
18n
R274R275
R273
18
R272
270
1k
C280
470p
270
C106
PRE-DRIVE AMP
470p
C257
470p
R261
C260
0.01u
4.7k
L36
C98
470p
R68
47
C85
0.1u
R66
330
C84
470p
SW
T/R
HVC131
D205
C103
470p
R101
3.3k
R107
R105
33k
R108
10
6.8k
T/R
D101
HVC131
C86
7p
R67
2.2k
22n
L26
R158
0
R70
4.7k
C101
1000p
SW
R102
820
R103
5.6
R104
820
C104
100p
RF
C105
100p
R106
220
2SC5108(Y)F
Q101
R109
330
R112
2.7k
R111
560
L103
C108
C110
100p
R110
C111
100p
22
C107
100p
100p
R113
10
C117 C116
100p100p
C115
100p
L101
18n
C109
6p
RF DRIVE AMP
Q102
2SC5455-A
C118
6p
22n
R114
C112
470
100p
C102
0.01u
0.01u
68
L102
80T
33A_2
BUFFER AMP
(LOCAL)
50R
50C
BUFFER AMP
(RF)
50R
50R
RX
TX
TX
RX
50R
50C
50R
80T
33A_2
R342
0
C245
470p
R160
0
R69
0
120
R341
120
R340
2p
C272
1p
C275
W_/V
1 11
22 2
TX-RX UNIT (X57-739X-XX) (A/2)