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SE-DIR800C
50
1234
1234
C
D
F
A
B
E
Pin Function
No.
Pin Name
I/O Pin Function
1 AGC22 O AGC response setting pin
2 AGC21 O Charging current control pin
3 VCCI − Power supply of the input section
4 SIS I Electric shunt input pin
5 GNDI − GND of the input section
6 IN I Photodiode input signal pin
7NC − Non connection
8NC − Non connection
9NC − Non connection
10 AGC13 I AGC amplifier input pin
11 AGC12 O Input AGC response setting pin
12 AGC11 O Charging current control pin
13 GNDS − GND of the signal processing section
14 NC − Non connection
15 RSET O Resistor connection pin for power supply setting
16 ADJ O Resistor connection pin for power supply setting for filter Adjust the center frequency of the BPF.
17 NC − Non connection
18 F_H I Filter switching pin Switch the H/L, BPF, Full BPF. H/L BPF: 3 to 4.5MHz, Full BPF: 3 to 6MHz
19 NC − Non connection
20 NC − Non connection
21 NC − Non connection
22 VCCS − Power supply for signal processing section
23 VCCO − Power supply for output section
24 OUT O Signal output pin
25 DET O Output pin for input level detection
26 GNDO − GND for output section
27 AGC24 O AGC amplifier output pin
28 AGC23 I AGC amplifier input pin
F_H (pin 18) Mode
L FULL (3 to 6MHz)
H H/L (3 to 4.5MHz)