87
SCHEMATIC DIAGRAM
NX-200
R : 0.3mV
T : 3.8mV
T : 90mV
R : 4.953V
T : 5.03V
R : 15mV
R : 4.98V
T : 5.06V
T : 5.04V
R : 160mV
T : 95mV
R : 3.265V
R : 4.967V
T : 0.37V
R : 1.88V
T : 1.89V
T : 2.4V
R : 2.225V
T : 4.78V
R : 4.66V
R : 0.5mV
T : 0.5mV
T : 3.8mV
R : 1.04mV
R : 4.128V
T : 4.1mV
T : 4.036V
R : 0.48mV
T : 1.19V
R : 0.5mV
T : 0.7544V
R : 0.7538V
R : 4.018V
T : 4.016V
T : 4.17V
R : 1mV
T : 6.94mV
R : 4.26V
T : 4.28V
R : 4.27V
R : 4.27V
T : 4.28V
T : 9.7mV
R : 3.25V
R : 0.15mV
T : 1.84mV
R : 1.4V
T : 4.38V
R : 4.978V
T : 5.06V
R : 4.943V
T : 5.03V
R : 0.14mV
T : 4.08V
T : 14.43V
T : 13.82V
R : 13.73V
R : 14.34V
T : 14.41V
R : 14.33V
R58
82k
R10
C90
0.1u
R59
0.1u
C91
R60
C83
470p
2
100k
IN+
3
100k
GND
IN-
4
oUT
TLV2381IDBV
1
IC5
TCXO MOD
19.2MHz
X1
R74
VDD
15k
5
120k
R57
C5
10p
C9
10p
GND
LM73CIMKX-0
SMBCLK
SMBDAT
C1
VC
100p
6
5
ALERT
4
VDD
C4
VCC
oUTPUT
GND
ADDR
1
2
100p
C6
0.01u
4.7u
L1
10
C3
0.01u
R3
10
IC1
3
R75
5.6n
5.6n
R62
R56
C81
R38
R37
C85
Fvco
Fin
C48
0.047u35
C43
0.15u35
100p
100p
0
1u
2SC5383-T111
D1
C7
HSC1
19
R2
4.7k
20
R5 10
47k
R64
C82
10u
R6 10
R8 10
4.7k
R67
19
L98
C88
VCCcp2
18
VCC digital
C11 100p
C17 100p
Q3
VCC
25
24
23
22
21
Clock
/CS
Data
GND
Max out
Mod in
100p
1
C27
R23
10
R17
180k
R9
1k
C16
3
2
C10
100p
100p
4
R18
47k
R1
470k
C30
10M
0.1u
R55
100k
LMC7101BIM5
1
IC2
5
C93
R19
C25
100p
C32
100p
1k
DA221
33p
R21
D4
C41
0
4700p
R24
R32
0
R31
120
R25
0
0
1000p
Q13
11
R15
C87
IC3
L99
SKY72300-362
0.01u
R70
0
GND OSC
13
/Fvco
CPout2
VCC cp2
LD/PS2
17
16
15
14
12
SSM3K15TE(F)
LD/PS1
VCCcp1
CPout1
/OSC AC
GND
OSCout
VCC SOC
8
OSC
9
10
NC
7
6
/Fin
2
3
4
5
C24
10
DTA114YE
Q2
EMD9
Q1
R29
C78
470p
R22
0.1u
C29
R27
+
0
C79
100p
C12
470p
+
0
R34
390
R53
68k
47k
R52
1k
L10
R35
10k
Q12
2SK879-F (Y)
R51
1k
R54
CV
CN1
0
L3
C20
22p
470p
HVC131
HVC131
R7
4.7k
R12
C8
D3
22k
470p
C22
39p
C21
TX
L2
22k
D2
R1
1
C19
C15
470p
RX
C31
22p
5.6n
2p
82n
L5
5.6n
3p
C26
47p
C34
L7
L6
C92
68n
L30
R77
D14
L12
L29
100n
C58
C52
D18
100k
C65
Q6
2SC5383-T111
APC
C169
100k
0.1u
C168
1u
100p
R166
1k
VSS
TC75W51FUF
47p
0
3
2
4
1
6
5
VDD
IC4
7
8
C129
0.1u
R135
2.2k
R167
R168
120k
18k
R170
220k
R39
HSC1
19
D7
1.5k
C53
L19
1SV282-F
OP AMP
(VCO MOD/APC)
C56
1u
R44
R40
10k
R42
470p
1SV325F
D8
C51
100p
3.3u
220n
L17
0
R72
47k
47k
47p
220n
D12
1SV282-F
D15
120n
L25
1SV282-F
L23
C62
3p
56n
C55
4.7u
L15
470k
1k
10u
R43
C63 470p
SSM6L05FU-F
R41
470k
C60
R68
470p
Q7
1SV278F
C67
10p
R48
L27
0.75p
C69
10p
270
3.3u
C72
1000p
C75
0.5p
2SJ347F
R45
47k
Q9
C70
1000p
100
R50
C76
1000p
220n
C50
100p
HVC376B
D13
L16
C54
470p
1.8u
L11
C47
470p
R76
0
D16
1SV282-F
L20
1SV282-F
220n
L18
D17
TX VCO
C64
220n
3p
1SV282-F
D9
RX VCO
C57
27p
C38
1000p
C45
470p
HVC131
470p
R33
22k
C37
R36
4.7k
D6
HVC131
470p
C36
C42
R28
22k
D5
2SC5636
470p
R26
330
Q4
L8
39n
R30
R69
56
470p
56k
C46
C66
2SK508NV(K52)
Q10
27n
L24
C68
L26
R46
10p
R63
22
C71
3.3u
330
0.01u
C74
0.5p
2SK508NV(K52)
Q8
8p
R47
22
Q11
2SC5636
R49
150k
C84
22p
C77
5p
10
0.1u
C28
C35
100p
C13 100p
/PCS_RF
PLD
SCK1
SDO1
0.01u
C18
TCXO_MOD
I2CSDA
I2CCK
50C
/T_R
33C
CV
10u20
C44
+
50C
APC
VCO_MOD
ASSIST
150C
50IF
50R
50R
50IF
50T
50T
THP
19.2M
+B
+B
33C
AMP
SWITCH
Q1,2,13
BUFFER
TEMP SENSOR
TCXO MOD
DC AMP for
PLL IC
BUFFER AMP
FREQUENCY CONTROL
D9,13,16,17
BUFFER AMP
SWITCH
T/R
Q7,9
RIPPLE FILTER
FREQUENCY CONTROL
D8,12,14,15
MODULATION
TX
D18
AF AMP for VCO TUNE
DIODE
BYPASS
D4
BUFFER AMP
FIN RF
SWITCH
D5,6
FILTER
RIPPLE
50C
50C
33C
50T
V+
INPUT+
INPUT-
OUTPUT
V-
Q8,10
VCO OSCILLATION
Q11
RIPPLE
FILTER
D1,Q3
THP
TX
FIN RF SWITCH
D2,3
0
R319
R321
0
C90
0.1u
0
R322
0
R320
1
2
4
3
4
3
3
X57-736 (A/2) 2/4
BH
BG
BF
BE
BD
TX-RX UNIT (X57-7360-10) (A/2)