Pin Details of IC LA7503

Pin Details of IC LA7503

Functions :

  1. Video amplifier
  2. RF AGC amplifier
  3. AFT Detector

Pin

No.

FUNCTION
Voltage
1.
Video amplifier input
5.2
2.
Decoupling capacitor
5.5
3.
RF AGC input (Delayed AGC)
5.7
4.
RF AGC amplifier output
1.1
5.
AFC output amplifier
11
6.
Compensations
11
7.
AFT Coil
3.8
8.
Video Detector coil
7.8
9.
Video Detector coil
7.8
10.
AFT Coil
3.8
11.
Positive(+Ve)supply voltage
11
12.
Video signal output
0.1
13.
Ground(-Ve)supply voltage
0
14.
IF AGC Detector(Keyed AGC)
2.2
15.
Decoupling capacitor
5.5
16.
Video IF amplifier input
5.2



 
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