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IC EXPLANATION
IC802 PST9136
CO1
+
IC201,960,961 LF33ABPT
IC1 HA12181FP-EL
IF
16
INPUT
4
7
AF
3
INPUT
VCC
5
4
OUT
OP1
+
GND
3
V
1
IN
INHIBIT
CONTROL
DUMP
PROTECTION
GND
2
DETECTION
IF AGC
OUTPUT
1
14
IF AGC
IF
LPF
DETECTION
AMP.
CONSTANT
PULSE
CURRENT
DETECTION
SOURCE
CIRCUIT
SW2
PHASE
CIRCUIT
SW1
LEVEL
DIFFERENTIAL
CONSTANT-
DETECTION
VOLTAGE
CIRCUIT
CIRCUIT
2
5
PHASE
CONDENSER
IC302 SN74LV541APW
START
REFERENCE
INHIBIT
VOLTAGE
TERM.
PROTECTION
AF AGC
AF
AF
HPF 1
LPF
AMP.
AGC
HPF
SW4
BYPASS
AMPLIFIER
(WAVEFORM
COMPENSATION)
CONSTANT
SW3
SW5
CURRENT
CIRCUIT
(WAVEFORM
COMPENSATION)
6
8
HOLDING
BY-PASS
CONDENSER
CAPACITOR
10
OE1
1
OE2
19
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
8
A7
A8
9
3
CURRENT
LIMIT
DRIVER
ERROR
AMPLIFIER
15
12
PULSE
OR
DETEC-
TION (1)
GATE PULSE
NOISE
GENERATOR
AGC
PULSE
DETEC-
TION (2)
(1)
(2)
GATE PULSE (1)
GATE PULSE (2)
BUFFER
AMPLIFIER
10
9
AF
OUTPUT
18
Y1
17
Y2
16
Y3
15
Y4
14
Y5
13
Y6
12
Y7
11
Y8
V
OUT
13
11
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