Noise sensitivity reduction for a tv receiver agc system

Details Noise sensitivity reduction for a tv receiver agc system Noise sensitivity reduction for a tv receiver agc system

H - Electricity

04

N

350/93

H04N 5/52 (2006.01) H04N 5/21 (2006.01)

Patent

CA 1185360

Abstract The composite video signal input to the voltage comparator of a TV receiver AGC system is subjected to the filtering action of a low pass filter for noise suppression purposes. A wideband signal path, bypassing the low pass filter, is enabled during trailing edges of noise impulses exceeding the normal sync peak level, in order to substantially preclude delay of the fall of said trailing edges.

403433

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