
96
NX-900
SCHEMATIC DIAGRAM
X57-806 (A/2) 13/14
BI
BJ
BK
BL
BM
TX-RX UNIT (X57-8060-10) (A/2)
R 4.33V
3.33V
FH : 2.18V
FL : 2.17V
FH : 13.41V
FL : 13.40V
T : 1.55V
R : 7mV
T : 0.78V
R : 0V
F-H : 1.18V
F-L : 1.17V
2.52V
F-H : 0.61V
F-L : 0.66V
R : 7.23V
R : 0.38V
R : 1.79V
R : 4.31V
R : 4.97V
T : 7.84V
R : 0V
R : 3mV
T : 3.45V
HP : 1mV
LP : 3.30V
R244
IF AMP
0
2SC3356(R23)
Q205
1st
0.01u
C240
100k
R245
R256
C246
0.01u
0
R320
5
3
180
oUT
2
4
1
IN
6
47p
C236
100k
R239
C365
100p
RSSI
VAGC
BUFFER AMP
(RSSI/VAGC)
0.01u
C239
8
7
VDD
C366
100p
1
100k
47p
C244
R246
W_/V
TC75W51FK(F)
IC203
5
R238
10k
6
4
VSS
2
3
3p
C256
0
R257
100p
0.01u
C243
R243
L207
560n
100
C242
R242
220
L208
L71-0649-05
XF202
50R
33A_2
THP
DSW
APC
/H_L
MP
MPL
THP2
L907
PC
L24
L906
L119
2.2n
L118
L107
TH1
REV
FWD
L110
100k
100k
RA45H76871101
IC102
DRAINBIAS
GATEBIAS
2
3
1
RFINPUT
RFoUTPUT
4
7
5
6
NJM12904RB1
IC103
2
B+IN
4
GND
A+IN
3
B-IN
BoUT
A-IN
1
8
V+
AoUT
Vgg
-t
-t
GND_2
IF/RF
4
5
6
VCC
LoIN
GND_1
RF/IF
CMY210
IC716
1
2
3
100p
C118
8.2
R165
R164 330
1p
C119
47p
C169
390
R166
1.5n
L159
12
R168
10p
C165
8.2n
L160
8.2n
L161
47p
C121
390
R167
2p
C170
6p
C171
4p
C172
820
R100
18k
R105
47p
C258
C123 22p
C128 47p
C131 100p
C132 470p
10
R102
47p
C245
820
R104
10
R103
C143 47p
C846 47p
C848 5p
C849 5p
47p
C944
220
R971
27n
L911
6.0p
C940
270
R969
470k
R975
100u25
C162
4.7k
R973
0
R131
L106
L108
L109
C141 22p
C142 47p
100u25
C136
C147 470p
C145 100p
47p
C259
47p
C980
47p
0
R972
1/2W
47
R106
1/2W
47
R112
47p
C254
100p
C941
82n
L912
C194 47p
C185 3.0p
L111
2.0p
C187
100p
C186
8n
L112
2.0p
C188
C255 2p
C247 2p
C195 47p
C284 2.0p
8n
L113
1.5p
C189
8n
L114
4.3p
C946
0
R890
3.3k
R109
47p
C375
47p
C127
47p
C376
47p
C950
100
R984
27k
R136
15k
R137
0
R979
1.8k
R142
0.068u
R141
C263 47p
R145
47p
C951
100k
R148
33k
R983
10k
R982
1k
R981
0
R980
0
R250
0
R933
470k
R934
100p
C934
470k
R935
0
R87
100p
C140
4.7n
L28
100p
C126
47
R52
47p
C129
0.01u
C137
100k
R73
100k
R50
47p
C130
0.01u
C139
27
R48
150k
R51
C114 68p
C124 47p
R78 33k
10p
C929
470k
R941
1.5p
C99
10n
L9
5.6n
L27
100p
C932
22p
C861
0
R258
270n
L910
47
R978
150n
L913
47p
C949
0.01u
C964
4p
C94
8.2n
L217
1u
C651
0
R997
0.01u
C89
470p
C93
47p
C249
18n
L215
12p
C96
8.2n
L8
6.8n
L218
33p
C95
220
R24
22
R20
220
R233
3p
C251
10n
L220
10n
L221
5p
C87
3p
C253
2p
C983
15p
C235
0
R38
9p
C113
22n
L5
L153
HSB88AS-E
D109
100
R970
D922
DA2J101
HSB88AS-E
D108
MA4PH633
D103
TH102
TH101
RKP351KW-1P2
D926
D921
RN142S
D925
RKP351KW-1P2
RN142S
D920
CSA30-201N
D1
RN142S
D924
D923
RN142S
UDZW5.6(B)
D915
C952
0
R988
0
R147
100k
3SK293-F
Q2
470k
R248
100p
C248
1.5k
R107
R943 10k
1k
R944
C943
C945 1.5p
C947 1.5p
5p
C97
470k
R940
470k
R936
C865 5p
C864 5p
C866 5p
C867 5p
C868 47p
C869 47p
390k
R117 10k
C125 47p
R115 0
C120 47p
80R
RFAGC
1ST MIXER
LNA
CONTROL
AUTO POWER
DRAIN BAIAS
PROTECTION
DETECT
TX POWER
TX POWER
DETECT
PREVENTION
REVERSE CURRENT
(TX POWER DET)
SWITCH
ANTENNA
D920,921,925,926
ABSORPTION
SURGE
ANT
MI1
ME
MI1
ME
L79-1928-05
L79-1928-05
D103
SWITCH
ANTENNA
80T
Gate Bias
RAGC
VAGC
80T
80T
80T
POWER
MODULE
D923,924
RF LEVEL PROTECTION
FOR SAW FILTER
+
+
2
9
2
9
9
2
2
2
2
Содержание NEXEDGE NX-900
Страница 105: ...NX 900 105 MEMO ...
Страница 106: ...NX 900 106 MEMO ...