IC HA 1125

Pin Details of IC HA 1125

Substitute

CA3065 , AN241 , TA7176 ,KA2101 ,LA1365 , LM3065 , MC1358 , ULN2165

Functions :

Sound amplifier limiter,Low pass filter,FM detector and AF amplifier.

Pin No. FunctionVoltage
1.Sound IF input (5.5 MHz. Inter carrier sound) 1.9
2.Sound IF input (5.5 MHz. Inter carrier sound) 1.9
3.Sound IF ground 0
4.Ground (-Ve supply voltage ) 0
5.Positive (+Ve supply voltage ) 11.1
6.DC volume control (electronic attenuator) 1.5
7.De-emphasis 6.6
8.Audio signal output 5.9
9.FM Detector 4
10.FM Detector 4
11.Not Connected NC
12.Audio out from driver section 4.8
13.Tone control 5.4
14.Input from audio driver section 0.6



 
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