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J1
GND1
A2TX
FRST
+5V
to
FULO
LOGIC
A3RX
board
A4RX
J10
FTXO
FRXO
GND2
J2
to
HV
optional
GND
unit
OPC-774
D10
DSA3A1
C1
0.0047
L1
FK-060C-1020
J3
to
optional
unit
OPC-774
J4
SP+
GND1
VCC
VCC
to
13-6
LOGIC
LVCC
board
MODF
J9
MOD
AFGE
AFG2
W6
R51
680
RX:
0.8 Vp-p
L3
J5
0.33 H
to
optional
unit
OPC 776
IC3
NJM311M-TE3
3 V
3.2 V
5 V
Q1
R9
2SA1586
18k
R8
2.5 V
10k
R10
15k
D1
DA221TL
R3
10k
R7
100
4
5
2
C9
0.1
1 3
IC4
TA75S01F
C8
10
C40
0.001
R2
39k
0.2 Vp-p
C39
R1
0.001
39k
TX:
0.6 Vp-p
DC 2.1 V
0.2 Vp-p
R73
10k
IC6
NJM2902V-TE1
IC6c
9
8
-
14
C55
10
+
0.1
C57
C56
0.01
0.01
DC 2.6 V
Q2
2SC4116
D4
DA221TL
IC2
HD26C32AFP
Q3
2SA1586
IC5
R28
TC7W74FU
1k
1
CK
A2TX
2
D
3
Q
4
GND
C11
0.1
R11
1k
FTXO
R12
1k
FRXO
FRST
FULO
C10
220p
R14
1k
R17
47k
C7
0.001
R6
150k
R4
10k
A3RX
A4RX
TX:
DC 1.1 V
TX:
DC 1.1 V
IC6d
IC6b
13
6
-
7
-
R49
12
5
+
8.2k
+
R48
12k
MEASUREMENT CONDITIONS
VOLTMETER: 50 K‰ / V
SOCILLOSCOPE: 20 MHz
TX: AG 1.5 kHz 10 mVrms
RX: J3E MODE —60 dBm
10 - 1
0.2 sec
3.7 Vp-p
8
R22
VCC
1.2k
7
PR
6
CLR
5
Q
R23
1M
R24
1k
1
NC
2
NC
3
NC
4
SWI
5
DI1
6
DI2
7
DAR1
8
DAR2
IC1
9
SC-1288
GND
10
VDD
11
CLR
12
ULO
13
CHI1
14
DIC1
15
NC
16
NC
R15
47k
R16
47k
R38
100
4
IC6a
2
1
-
3
+
11
R45
R44
R41
R40
56k
39k
82k
27k
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
W21
COMPLETE VIEW
X1
CR-508
(5.0688 MHz)
R25
47k
48
NC
47
NC
46
P2
45
ABF
44
P1I
43
P2I
42
VDD
41
GND
40
HED
39
SIGI
38
SIGO
37
SIGO1
36
REVR
35
NC
34
NC
33
NC
R39
2.2k
CTRL1 BOARD
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