87
SCHEMATIC DIAGRAM
NX-210(G)
SDO1
PLL_MOD
I2CCK
I2CSDA
VCO_MOD
SCK1
/PCS_RF
CV
PLD
ASSIST
APC
IF_DET
RSSI
VA
G
C
C527
6800p
C639
1000p
C570
0.1u
R538
0
C508
0.01u
R576
0
R598
1k
R524
1k
R618
47k
R533
10M
R556
47k
C605
0.01u
C533
0.1u
L521
47n
R563
220k
C522
100p
C546
0.1u
C549
100p
L502
R606
22k
R632
100k
R559
18k
R611
10k
C541
1u
R594
18k
C569
0.1u
R562
560
R528
10
R561
2.2k
R575
12k
R532
0
C504
100p
C596
0.1u
C523
0.1u
C501
0.1u
C640
47p
C576
100p
R552
10k
L514
560n
C563
10p(B)
R534
470k(D)
C630
0.01u
C521
100p
R590
10k
C525
0.1u
L504
R516
47k
C568
0.1u
R624
10k
L503
R625
100k
C597
0.1u
R544
10k
D502
KDS123E-P
R564
0
C580
68p
R540
120
C595
0.1u
L501
4.7u
R517
10
R593
47k
C517
100p
CF501
R512
0
C615
0.1u
C590
2p(B)
C545
1u
C566
68p
C598
10p(B)
C502
470p
C530
470p
C538
0.047
R547
100k
R531
47k(D)
C555
0.01u
C516
1u
C531
100p
1
2
3
4
VSS
5
6
7
8
VDD
C518
100p
R510
10
100p
C783
R521
4.7k
R535
1k
CN501
C526
100p
C511
0.01u
R633
2.7k
R518
10
R509
10
R515
4.7k
C604
0.1u
7
NC
8
/OSC_A
C_GND
9
OSC
10
OSCout
11
VCC_SOC
12
GND_OSC
13
LD/PS2
14
VCCcp2
15
CPout2
16
/Fvco
17
Fvco
18
VCCcp2
19
VCC_digital
20
Data
21
/CS
22
Cloc
k
23
Mod_in
24
Max_out
1
VCC
2
Fin
3
/Fin
4
LD/PS1
5
VCCcp1
6
CPout1
25
GND
C616
0.1u
R542
390(D)
C607
0.01u
R530
180k(D)
L526
100n
C509
10p
R546
0
R613
18k
R565
47
R520
10
C519
100p
R581
10k
1
OUTPUT
2
V+
3
INPUT+
4
INPUT-
5
V-
C512
100p
C553
0.1u
C608
0.1u
C564
0.1u
1
oUTA
2
IN-A
3
IN+A
4
VSS
5
IN+B
6
IN-B
7
oUTB
8
VDD
C621
0.47u
C614
0.1u
R603
100k
C628
47p
R502
100k(D)
C535
10u 20
C529
100p
R619
12k
C507
10p
C585
10p(B)
C528
100p
C619
0.1u
R568
10
R511
10
C524
100p
1
V
oUT
2
VSS
3
VIN+
4
VIN-
5
VDD
R513
0
R569
10
R566
330k
1
VC
2
GND
3
oUTPUT
4
VCC
R554
1k
R501
100k(D)
R604
10k
C575
10u
C532
0.15u 35
C520
100p
R620
10k
R610
1k
C552
7p(B)
R536
47k
C503
100p
R519
10
C600
10u
C514
0.01u
C622
0.01u
R537
68k
R582
4.7k
R526
1k
C540
47p
R623
1k
1
oSC<B>
2
oSC<E>
3
MIXoUTPUT
4
VCC
5
AMIFINPUT
6
AMIFDECoUPLING
7
FMIFINPUT
8
FMIFDECoUPLING1
9
FMIFDECoUPLING2
10
LIMoUTPUT
11
QUADINPUT
12
FMDEToUTPUT
13
AMDEToUTPUT
14
AMSW
15
RSSIoUTPUT
16
RFAGCoUTPUT
17
AGCAMPoUTPUT
18
AMAGCINPUT
19
NoISEAMPINPUT
20
NoISEAMPoUTPUT
21
CoMPINPUT
22
CoMPoUTPUT
23
GND
24
RFINPUT
R734
0
C589
82p
C559
0.1u
C506
0.01u
R597
270k
1
ADDR
2
GND
3
VDD
4
SMBCLK
5
ALERT
6
SMBDAT
R605
4.7k
R543
100k
R560
120k
R555
47k
C515
100p
R525
10
R503
100
R506
100
C642
27p
C644
27p
L534
27u
CF502
R637
1.8k
D501
1SS400
R733
0
R586
10k
CV
50C
33C
50T
50C
50T
SPEED UP
DIODE
VCO MOD
APC
ASSIST
50C
50R
50R
50R
33C
+B
+B
50R
15V
X501
19.2MHz
IC506
MCP6021-E/OT
BUFFER
IC507
TK10931VTL-G
FM IC
IC503
SKY72300-362
PLL IC
SPEED UP
DIODE
IC504
LMC7101BIM5
DC AMP FOR VCO TUNE
IC505
BU7242NUX
OP AMP(VCO MOD/APC)
2SK879-F(Y)
Q502
BUFFER AMP
2SC5383-T111
Q501
RIPPLE
FILTER
IC501
LM73CIMKX-0
TEMPERATURE SENSOR
2SC5108(Y)F
Q506
2ND LOCAL
TRIPLER
IC508
BU7242NUX
OP AMP
(RSSI/VAGC)
PSRIF
PSRIF
33C
R:14.7V
T:14.7V
R:15.4V
T:15.4V
R:15.4V
T:15.4V
R:0.64V
T:0.51V
R:3.85V
T:0.22V
R:3.50V
T:0.0V
R:1.87V
T:0.0V
R:3.96V
T:0.0V
R:2.01V
T:0mV
33C
X57-927 9/11
AX
AW
AV
AU
AT
TX-RX UNIT (X57-9270-12)