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TH-V70R
(No.21175)1-33
4.9 BA3121 (IC100,IC101,IC102) : Ground isolation amplifier
• Pin layout
• Block diagram
4.10 GP1FA351RZ (IC409) : Fiber optic receiver
• Pin layout
• Block diagram
VCC
OUT2
VM2
IN2
8
7
6
5
OUT1
VM1
IN1
GND
1
2
3
4
1
8
6
VCC
OUT1
VM2
7 OUT2
R
R
R
R
R
R
R
R
3
IN1
2
VM1
5
IN2
4 GND
V
CC
GND
V
OUT
AMP
AMP
AMP
AMP
Comp & Output circuit