IC HA 1128

Pin Details of IC HA 1128

Functions : Sound IF ,Sound Detector and amplifier

Pin No. FunctionVoltage
1.IF amplifier(Limiter) 2
2.IF amplifier input 2
3.Ground for IF amplifier (Limiter) 0
4.Ground(-Ve)supply voltage 0
5.Positive(+Ve)supply voltage 11.3
6.Electronic Attenuator(DC volume control) 4.7
7.Sound signal input 6.4
8.Buffer(output stage) 5.7
10.FM detector 3.9
11.Not Connected NC
12.Audio driver output 5.3
13.To speaker 5.9
14.Audio driver input 1.6

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