PIN DETAIL of IC AN5132

PIN DETAIL of IC AN5132

Functions :

  1. Gain controlled IF amplifier
  2. Synchronous demudulator
  3. Video pre-amplifier and noise protection
  4. AGC circuit with noise gating
  5. Tuner AGC output
  6. AFC circuit with AFC On/off swith
  7. External VCR swith which switches video output for insertion of a VCRplaback signal at either a high or low level.

Pin

No.

Functions
Voltage
1.
Balanced IF input
4.2
2.
Decoupling capacitor for
the DC feedbackloop of the IF amplifier
4.2
3.
Tuner AGC control
5.2
4.
AGC control voltage output to tuner
8.7
5.
AFC output (RF AGC Output)
5.9
6.
AFC On/off swith (AFC Output)
8.8
7.
AFC circuit to obtain 90 degree phase shift
of the reference carrier
3
8.
Circuit for passive generation of the IF picture carrier
7.8
9.
Circuit for passive generation of the IF picture carrier
7.8
10.
AFC circuit to obtain 90 degree phase shift
of the reference carrier
3
11.
Positive (+Ve)supply voltage(VCC)
11.4
12.
Video signal output (composite video signal)
2.7
13.
IF AGC output
6.4
14.
IF AGC/VCR swith (IF AGC input)
6.4
15.
Decoupling capacitor for the DC feedbackloop
of the IF amplifier
4.3
16.
Balanced IF input
4.3



 
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