Pin Details of IC A220 D

Pin Details of IC A220 D

Substitute : TBA120S , SN76620

Functions :

  1. Sound IF amplifier
  2. FM detector
  3. AF detector
Pin No. FunctionVoltage
1.Ground (-Ve)supply voltage 0
2.Decoupling capacitor 1.9
3.Ground (-Ve)supply voltage 0
4.Ground (-Ve)supply voltage 0
5.Volume control (electronic attenuator) 3.8
6.FM detector -
7.FM detector3.3
8.Audio output 4
9.FM detector3.3
10.FM detector-
11.Positive(+Ve)supply voltage 11
12.Ground (-Ve)supply voltage 0
13.Decoupling capasitor 1.9
14.Sound IF input (5.5Hz.) 1.9



 
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