
105
SCHEMATIC DIAGRAM /
原理图
NX-220
X57-804 8/8
Note : The components marked with a dot (
•
) are parts of layer 1.
注意 :标有点号 (
•
) 的零件为第一层的零件。
7
6
5
4
3
2
1
AX
AW
AV
AU
AT
R:0V
T:4.98V
R:3.10V
T:0V
R:1.53V
T:0V
R:3.22V
T:0V
R:4.87V
T:0V
7.49V
R:4.87V
T:0V
TV2
TV1
IF_DET
/APCSW
T
0
5
T
0
5
50R
R317
1k
L210
I N
oUT
D106
RN142S
R132
0
R133
0
D105
RN142S
C161
22p
L118
9T
C181
470p
C182
0.1u
R160
0
R169
100k
C178
470p
R129
270
R166
0
R 167
2. 2k
R165
56k
C169
0.1u
R159
470k
R157
150k
R164
100k
C179
100p
S S M 3 K 1 5 T E ( F )
Q107
R155
0.39
Q 106
RT 1N441U-T 111
R152
10k
R162
10k
R153
0.39
S S M 3 K 1 5 T E ( F )
Q109
C177
470p
R158
0
C168
1000p
R161
470k
C150
470p
R168
82k
R1 5 0
1k
R154
0.39
R156
150k
C180
470p
R130
270
I C 1 0 1
T A 7 5 W 0 1 F U F
1 oUT 1
2 I N1-
3 I N1+
4 V E E
5
I N 2 +
6
I N 2 -
7
o U T - B
8
V C C
C244
1000p
L211
68n
C232
2p
R221
10k
R236
100k
R213
100k
C241
1000p
R223
1k
C251
1.5p
R21 1
0
C235
1000p
C247
3p
C227
1000p
C 260
8p
R226
220
R240
0
C229
27p
C224
4p
L212
68n
3SK 294-F P
Q 202
D204
1SV305F
C246
33p
R239
0
R220
1M
R231
82k
D202
1SV305F
C262
12p
C242
0.1u
C233
0.01u
C249
18p
C240
1000p
C225
47p
R212
1M
C236
1u
C231
1000p
R217
100k
D203
1SV305F
R234
100k
D206
1SV305F
R232
150k
C228
R233
100k
R235
0
R216
56k
C255
1000p
C223
1000p
R224
10k
L213
68n
C258
18p
R227
220k
R228
100k
R237
100k
C237
0.1u
R225
68
IC201
T C 7 5 W 5 1 F K ( F )
1
2
3
4 V S S
5
6
7
8
V DD
S S M 3 J 0 5 F U - F
Q108
R131
82k
C144
18p
C148
2p
L109
C153
15p
C147
5p
C149
1000p
RD07 MU S2BT11 2
Q1 04
C158
13p
C125
150p
C156
24p
L108
L112
D103
HV C131
C160
20p
C145
1000p
C143
8p
L115
9T
C127
150p
C157
8p
L111
C151
1000p
C129
1000p
C128
0.1u
C146
4p
C152
10p
C154
22p
L114
6T
C141
30p
L110
D102
H VC 131
L113
C155
6p
L116
8T
L117
2.2u
C142
47p
C126
1u
R163
220k
-
-
+
+
strip line
APC SW
APC SW
APC SW
APC SW
FINAL AMP
ANT SW
D 1 0 2,103
ANT SW
D10 5,106
OP AMP (APC)
RF AMP
BPF TUNE
D202,203
BPF TUNE
D204,206
DC AMP (BPF)
50T
50R
+B
50R
C335
0.1u
R3 2 1
1k
C F 2
C320
0 . 1 u
R 3 5 4
0
R 3 0 4
0
C261
39p
APC
5
APC SW
1.5p
ANT
TX-RX UNIT (X57-8040-10)