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Set Top Box Modems
Pin Configuration
ITC137P
1
(N/C)
2
脨 LED - Form A Relay
3
脨 LED - Form A Relay
4
+ Zener Diode (cathode)
5
脨 Zener Diode (anode)
6
+ Zener Diode (cathode)
7
Collector - Phototransistor
Emitter - Phototransistor
8
12
13
Darlington Emitter
Bridge Output +/Darlington Collector/
+ Zener Diode (cathode)
Bridge Output 脨/脨 Zener Diode (anode)
LED - Phototransistor 脨/+
16
Output Form A
15
Output Form A/Bridge Input 脨/+
Darlington Base
PV
14
11
10
**
**
9
LED - Phototransistor +/脨
Denotes full-wave detection
DS-ITC137P-Rxx
www.clare.com
1