181
SCHEMATIC DIAGRAM /
原理图
NXR-800H
Note : The components marked with a dot (
•
) are parts of layer 1.
X55-3102-71 6/6
7
6
5
4
3
2
1
AD
AC
AB
AA
Z
C535
10u35
C485
470p
C501
470p
C556
470p
2SJ484
Q52
C487
470p
CN66
C504
470p
C550
0.01u
C482
10u35
IC15
NJM78L05UA-ZB
2
GND
3
IN
1
oUT
CN42
1
GND
2
GND
3
NC
4
RX_PoWER_SAVE
5
DDS_EN
6
VCO_BAND_SW
7
PLL1_EN
8
DA_EN
9
SIF_CLK
10
GND
11
SIF_DAT
12
RX_AUDIO
13
PLL_PWR_SAVE
14
GND
15
NC
16
FM_RSSI
17
PLL2_EN
18
AGC_RSSI
19
PLL_LOCK_DET
20
CoNT_5.0V
21
NC
22
AD_DAT_READ
23
GND
24
AD_CLK
25
NC(IF_NW_SW)
26
AD_DAT_WRITE
27
IF_BW_SW
28
AD_CS
29
D_GND
30
E2PROM_SCL
31
CoNT_5.0V
32
E2PROM_SDA
33
D_GND
34
WP
35
GND
36
GND
C484
470p
R310
0
R295
100k
C540
470p
IC17
NJM78M05DL1AZB
2
GND
1
IN
3
oUT
IC16
NJM78L05UA-ZB
2
GND
3
IN
1
oUT
R343
100k
CN49
CN52
C538
470p
C500
470p
R308
0
R346
4.7k
C534
10u35
C239
33u16
IC18
NJM78M05DL1AZB
2
GND
1
IN
3
oUT
C488
470p
C561
470p
C548
470p
IC26
NJM2386ADL3-09
1
VIN
2
CoNT
3
VoUT
4
NC
5
GND
C565
470p
C571
22u35
IC19
NJM78M05DL1AZB
2
GND
1
IN
3
oUT
CN44
2
1
3
CN45
C551
0.01u
CN58
C537
470p
R349
47
C533
10u35
C552
0.01u
CN60
C553
0.01u
CN54
R309
0
CN57
R335
100k
C559
0.1u
C486
470p
CN55
CN59
CN50
C569
470p
C560
470p
C480
10u35
C539
470p
CN51
C555
22u35
C481
10u35
C536
10u35
C502
470p
IC27
NJM2386ADL3-09
1
VIN
2
CoNT
3
VoUT
4
NC
5
GND
2
1
IN
3
oUT
C547
470p
R344
47k
IC31
S24CS02AFJTBG
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
R345
4.7k
CN48
CN53
CN56
C546
470p
R391
0
C503
470p
SSM3K15TE(F)
Q51
R338
4.7k
2
1
IN
3
oUT
C545
470p
R392
0
R307
0
CN43
VOLTAGE REGULATOR
RXA
VOLTAGE REGULATOR
POWER
POWER
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
GND
EEPROM
DC SW
CONTROL UNIT
X53-414 -CN300
DC SW
TX UNIT
X56-312 (A/3)-CN406
19.2MHz REF_SIG
X45-386 (C/5)-CN15
VOLTAGE REGULATOR
VOLTAGE REGULATOR
RX_IF_VN
FINAL UNIT
X53-413 -CN57
VOLTAGE REGULATOR
CONTROL UNIT
AT RX ANT -47dBm INPUT
IC24
NJM7808FA-ZB
GND
IC25
NJM7808FA-ZB
GND
VOLTAGE REGULATOR
VOLTAGE REGULATOR
SSM3K15TE(F)
Q50
DC SW
13.7V
5.0V
8.0V
9.0V
STD Devi
N:100mVrms
W:109mVrms
5.0V
5.0V
5.0V
9.0V
8.0V
W:13.8V
N:13.8V
RX UNIT (X55-3102-71) : C
Summary of Contents for NXR-800H
Page 180: ...1 E CN300 RX_IF_VN 168 ...