Pin Details of IC TA7074

Pin Details of IC TA7074

Substitute : CA3052 , LA1352,MC1352

Functions :

  1. IF amplifier
  2. AGC amplifier

Pin

No.

Functions
Voltage
1.
IF signal input
3.4
2.
Decoupling capacitor for biasing
3.4
3.
Ground(-Ve supply voltage)
0
4.
Ground(-Ve supply voltage)
0
5.
Horizontal flyback(blanking)pulse input(15625 Hz.)
0.5
6.
Feedback(output to input) sgnal input for AGC amplifier
2.7
7.
IF signal output
10.3
8.
IF signal output
10.3
9.
AGC time constant circuit
6.9
10.
IF AGC control
1.9
11.
Positive (+Ve supply voltage)
10.3
12.
RF AGC output for tuner
3.3
13.
RF-AGC control
5.8
14.
By pass capacitor
5.2



 
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