108
NX-720
SCHEMATIC DIAGRAM /
原理图
X57-823 4/10
TX-RX UNIT (X57-8230-11)
P
Q
R
S
T
D
D
D
D
D
D
D
D
D
/MCCSXCN
HOST_RDY
MCDICN
/MCCSAF
MCDOAF
MCDIAF
MCSCKAF
TXC
ASQAPC
DSP_ST
/DWUP
/DINT
PLD
/H_L
TEMP
ASTSW
15M
/DRST
/DRST
ASSIST
RXC
DSW
33A_2
RSSI
FSDET
/SYMTIM
BSHIFT
SCK1
IF_DET
GLED
VOICE
/T_R
SBC
/SAVE
33A_2
RLED
/BINT
/OVRB
MKEYO
BUCNT1
BUCNT2
POWER
/IGN
/INT15P
EMG
MKEYI
HSW
MM
MM2
33M
33M
VCO_MOD
BEEP
RXAF
MOD
ASQAPC
PCB_VER
P_SCK1
MIC
MCSCKCN
/PCS_RF
ASQDET
VOICE
33M
/PCS
W_/N
THP1
L15
TEST3
V3
BooT
C2
SQDAC
F1
ADC0
F2
DAC0
E1
IFR
G2
ADC3
G1
ADC2
D2
FCDADC
E2
IFADCP
E3
IFADCN
D1
IFVR
R3
AGCDAC
A8
MCCK0
D11
MCI0
B9
MCo0
B10
MCCS0
A7
MCCK1
B8
MCI1
C9
MCo1
B7
MCCX1
D9
MCCR1
C8
MCCK2
D10
MCCS2
C7
MCo2
D7
VoINT
D8
VFRM
N1
RSSIT
M3
PSRPLL
M2
PSRIF
L4
PSRRF
P1
RXSLT
N2
RXRVE
N3
PSTPLL
R1
PSTIF
M4
PSTPA
P2
TMoD
P3
TRAMP
R2
TXRVE
R6
FSDET
R5
SYMTIM
C12
SIMDT
D12
SIMCK
C11
SIMRST
T9
GPIo0
V9
GPIo1
U9
GPIo2
V10
GPIo3
T7
GPIo4
R7
GPIo5
R8
GPIo6
U8
GPIo7
A6
GPIo8
B6
GPIo9
C6
GPIo10
B5
GPIo11
E8
DVDD1
E9
DVDD2
F14
DVDD3
G14
DVDD4
M14
DVDD5
N14
DVDD6
P10
DVDD7
P9
DVDD8
N5
DVDD9
M5
DVDD10
E7
DVDIo1
E13
DVDIo2
H14
DVDIo3
L14
DVDIo4
P11
DVDIo5
P6
DVDIo6
L5
DVDIo7
E10
DGND1
E11
DGND2
E12
DGND3
J14
DGND4
K14
DGND5
P13
DGND6
P12
DGND7
P8
DGND8
P7
DGND9
B3
DGND10
A5
DGND11
C4
DGND12
T2
DGND13
C17
DGND14
U16
DGND15
X501
L77-3015-05
1
VC
2
GND
3
4
oUTPUT
VCC
.
IC702
BU7242NUX
1
2
3
4 VSS
5
6
7
8
VDD
IC508
TC7SH08FU-F
INB
INA
GND
1
2
3
4
oUTY
5
VCC
.
IC705
BU7242NUX
1
2
3
4
VSS
5
6
7
8
VDD
L508
.
L510
FK330301
.
Q701
IC301
TC7SH08FU-F
INB
INA
GND
1
2
3
4
oUTY
5
VCC
FK330301
Q501
.
IC701
BU7462NUX
1
2
3
4
VSS
5
6
7
8
VDD
CN523
CP506
100kX4
1
2
3
4
8
7
6
5
CP505
100kX2
.
R707
1.8k
.
R709
100k
.
R716
100k
.
R711
100k
.
R708
33k
R567
1k
R566
470k
.
R701
10k
.
R706
82k
.
R730
47k
.
R724
47k
.
R728
39k
.
R770
47k
.
R771
47k
R581
100k
R584
47k
R599
100k
.
R722 100k
R606
1M
R572
0
.
R773
0
R580
3.3k
R583
100k
.
R704
15k
.
R712
47k
.
R720
330k
R568
0
R569
0
R504
100k
.
R713
22k
10k
.
R754
56k
.
R826
10k
.
R783
150k
.
R827
82k
.
R779
22k
.
R772
15k
.
R702
2.2k
.
C706
0.1u
10
.
C714
68p
.
C711
330p
.
C702
1000p
100p
.
C719
100p
.
C720
0.1u
C543 0.1u
.
C565
C570
.
C569
C566
.
C567
.
C568
.
C572
.
C573
.
C574
.
C575
.
C576
.
C577
.
C578
0.1u
1u
0.01u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.01u
1u
.
C707
680p
.
C709
27p
.
C733
4.7u
.
C725
120p
.
C722
0.1u
.
C718
0.1u
.
C762 0.01u
.
C758
100p
C560 3p
C563
100p
C548
0.01u
.
C723 47p
C558
0.1u
C546
0.01u
.
C728
820p
.
C701
6800p
C547
100p
C580
0.01u
C579
0.01u
.
C708
1000p
C312
0.01u
C559
10u
C680
0.1u
.
C808
0.068u
.
C807
0.047u
.
C773
0.01u
.
C769
0.01u
.
C746
0.1u
.
C776
0.039u
.
C734
4700p
.
C705
47p
.
C729
680p
+ -
+
-
+
-
+
-
MOD SMF
-
+
-
+
AND Gate
AND Gate
VCO MOD/VREF
LPF
BRF/Buffer
AMP(SQ)
DC Switch(System)
SQL Noise BW Switch
IC507
ASIC
MIC2
CLKX0
FSX0
B-BUS
.
R738
10k
B-BUS
18.423MHz
B-BUS
B-BUS
33A_2
33A_2
D
R603
470k
(VREF)
1.65V
3.3V
Summary of Contents for NEXEDGE NX-720
Page 122: ...NX 720 ...