Note : The components marked with a dot (•) are parts of layer 1.
I
H
1
2
3
SCHEMATIC DIAGRAM /
原理图
NXR-700H
Note : The components marked with a dot (•) are parts of layer 1.
D3
TX_3DA_EN
SR_oE
SR_EN
SR_DATA
SR_CLK
TX_2DA_EN
TX_LDT
SCL
VR_EN
TX_PLL_132_EN
TX_PLL_132_CE
TX_DDS_EN
TX_PLL_440_EN
TX_PLL_440_CE
TX_2DA_CE
TX_8AD_EN
TX_SCLK1
TX_SDo1
TX_SDi1
TX_TEMP_PRT
DSP_RS
ADSP_CK_SFT
SDA
PAG_SW
RX_SDi0
TX_ANT_SW
D2
SYS_RST
SDA
SCL
RX_iF_BW1
RX_iF_BW2
RX_8AD_EN
C278
10u
CN57
1
GND
2
GND
3
WP
4
D_GND
5
E2PRoM_SDA
6
CoNT_5.0V
7
E2PRoM_SCL
8
D_GND
9
AD_CS
10
iF_BW_SW
11
AD_DAT_WRiTE
12
NC(iF_NW_SW)
13
AD_CLK
14
GND
15
AD_DAT_READ
16
NC
CN56
1
GND
2
GND
3
PAG
4
GND
5
CoNT_5.0V
6
D_GND
7
CoNT_5.0V
8
D_GND
9
SDA
10
D_GND
11
SCK
12
TEMP_PRT
13
ANT_SW
14
DDS_EN
15
VR_EN
16
440_EN
17
132_EN
18
440_CE
19
132_CE
20
LDT
21
2DA_EN
22
3DA_EN
23
2DA_CE
24
SR_oE
25
8AD_EN
26
SR_EN
27
SDi1
28
SDo0
29
SCLK1
30
SCLK0
31
SDo1
32
GND
33
MoD
34
WP
35
GND
36
GND
IC38
TC7SET08FU-F
1
INB
2
INA
3
GND
4
oUTY
5
VCC
C364
1000p
C305
1000p
C338
1000p
C385
100p
C356
1000p
C368
1000p
C360
1000p
C315
100p
C350
1000p
C318
100p
C304
100p
C308
100p
C326
1000p
C353
1000p
C373
100p
C306
1000p
C330
1000p
C381
100p
C334
1000p
C377
100p
C342
1000p
C279
0.01u
C277
0.01u
C310
100p
C283
0.1u
R300
10k
R299
10k
C282
0.01u
C388
100p
IC39
TC7SH125FU-F
1
G
2
INA
3
GND
4
oUTY
5
VCC
C345
0.1u
C372
1000p
R301
100k
C358
1000p
C347
1000p
C322
1000p
CN69
4738F
Q12
R317
0
R390
0
R331
0
R334
0
R389
0
R321
0
R337
0
R395
0
R318
0
R336
0
R409
0
R362
0
R330
0
R320
0
R325
0
R329
0
R316
0
R332
0
R392
0
R333
0
R365
0
R327
0
R335
0
R322
0
R391
0
0
R326
0
R319
0
R323
0
R361
0
R338
0
R363
0
R364
0
0
R328
0
R324
0
R374
0
R302
100k
50MPU
AND GATE
BUFFER
CK
FT SW
X56-311 (A/3)-CN804
TX UNIT
105mV FOR MIC TA
25mV FOR TD
STANDARD DEVIATION RX:100mV
FM WIDE/NARROW
5.0V
mV:AC voltage value measured with an electronic voltmeter.
The unit is mVrms.
V:DC voltage value
rms:60% modulation TX signal or RX signal
Audible signal:Measures it by 1kHz
Sub audible signal:Measures it by 100Hz
Summary of Contents for NXR-700H
Page 170: ...1 E CN300 RX_IF_VN 158 ...