108
NX-820
SCHEMATIC DIAGRAM /
原理图
X57-824 4/10
TX-RX UNIT (X57-8240-13)
P
Q
R
S
T
DC Switch(System)
D
D
D
D
D
D
D
D
/MCCSXCN
HOST_RDY
MCDICN
/MCCSAF
MCDOAF
MCDIAF
MCSCKAF
MCSCKCN
TXC
ASQAPC
DSP_ST
/DWUP
/DINT
/H_L
THP1
TEMP
ASTSW
15M
ASSIST
W_/N
RXC
DSW
RSSI
FSDET
ASQDET
33M
/SYMTIM
IF_DET
GLED
VOICE
/T_R
/SAVE
RLED
/BINT
/OVRB
MKEYO
BUCNT1
BUCNT2
POWER
/IGN
/INT15P
EMG
MKEYI
HSW
MM
MM2
ASQAPC
M_MODEL
PCB_VER
BEEP
VOICE
SBC
33A_2
VCO_MOD
RXAF
PLD
33A_2
MOD
/PCS_RF
P_SCK1
SCK1
/PCS
/DRST
MIC
33M
33M
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
V 1 0
GPIo3
T 7
GPIo4
R 7
GPIo5
R 8
GPIo6
U 8
GPIo7
A 6
GPIo8
B 6
GPIo9
C 6
GPIo10
B 5
GPIo11
E 8
DVDD1
E 9
DVDD2
F 1 4
DVDD3
G 1 4
DVDD4
M 1 4
DVDD5
N 1 4
DVDD6
P 1 0
DVDD7
P 9
DVDD8
N 5
DVDD9
M 5
DVDD10
E 7
DVDIo1
E 1 3
DVDIo2
H 1 4
DVDIo3
L 1 4
DVDIo4
P 1 1
DVDIo5
P 6
DVDIo6
L 5
DVDIo7
E 1 0
DGND1
E 1 1
DGND2
E 1 2
DGND3
J14
D
GND4
K14
DGND5
P13
DGND6
P12
DGND7
P8
DGND8
P7
DGND9
B3
DGND10
A5
DGND11
C4
DGND12
T2
DGND13
C17
DGND14
U16
DGND15
D3
X 5 0 1
L 7 7 - 3 0 1 5 - 0 5
1
VC
2
GND
3
4
oUTPUT
VCC
.
I C 7 0 2
B U 7 2 4 2 N U X
1
2
3
4
VSS
5
6
7
8
VDD
I C 5 0 8
T C 7 S H 0 8 F U - F
1
2
3
INB
INA
GND
4
oUTY
5
VCC
.
I C 7 0 5
B U 7 2 4 2 N U X
1
2
3
4
VSS
5
6
7
8
VDD
L508
.
L 5 1 0
F K 3 3 0 3 0 1
SQL Noise
BW Switch
.
Q701
FSX0
CLKX0
I C 3 0 1
T C 7 S H 0 8 F U - F
1
2
3
INB
INA
GND
4
oUTY
5
VCC
F K 3 3 0 3 0 1
Q 5 0 1
.
I C 7 0 1
B U 7 4 6 2 N U X
1
2
3
4 VSS
5
6
7
8
VDD
CN523
CP506
100kX4
CP505
100kX2
.
C706
0.1u 10
.
C714
68p
.
C711
330p
.
C702
1000p
.
C716
100p
.
C719
100p
.
C720
0.1u
C 5 4 3
0 . 1 u
0.1u
1u
0.01u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.01u
1u
.
C565
C570
.
C569
C566
.
C567
.
C568
.
C572
.
C573
.
C574
.
C575
.
C576
.
C577
.
C578
.
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
C 5 5 8
0 . 1 u
C546
0.01u
.
C728
820p
.
C705
47p
C547
100p
C580
0.01u
C579
0.01u
.
C708
1000p
C312
0.01u
C 5 5 9
1 0 u
C 6 8 0
0 . 1 u
.
C808
0.068u
.
C807
0.047u
.
C773
0.01u
.
C769
0.01u
.
C746
0.1u
.
C776
0.039u
.
C734
4700p
.
R707
1.8k
.
R709
100k
.
R716
100k
.
R711
100k
.
R704
15k
.
R708
33k
R567
1k
R566
470k
.
R701
10k
.
R706
82k
.
R730
47k
.
R724
47k
.
R728
39k
.
R770
47k
.
R771
47k
R581
100k
R 5 8 4
4 7 k
R 5 9 9
1 0 0 k
.
R722
100k
.
R738
10k
R606
1M
R572
0
.
R773
0
R580
R583
3.3k
100k
.
R712
47k
.
R720
330k
R568
0
R569
0
R504
100k
.
R713
22k
.
R776
10k
.
R754
56k
.
R826
10k
.
R783
150k
.
R827
82k
.
R779
22k
.
R772
15k
.
R702
2.2k
.
C701
6800p
.
C729
680p
+
-
+
-
+-
+
-
MOD SMF
DEO Buff
-
+
-
+
AND Gate
I C 5 0 7
ASIC
AND Gate
VCO MOD/VREF
LPF(APC/DMO)
BRF/Buffer AMP(SQ)
/DRST
B-BUS
B-BUS
B-BUS
33A_2
33A_2
18.423MHz
B-BUS
D
R603
470k
D
1.65V
(VREF)
Содержание NEXEDGE NX-820
Страница 122: ...NX 820 ...