AFT_SUBSYSTEM

Published:2009/7/15 21:54:00 Author:Jessie | From:SeekIC

RCA CA3139 automatic fine tuning IC combined with intercarrier mixer/amplifier for color and monochrome receivers provides AFT voltage for tuner correction and amplified 4.5-MHz intercarrier sound signal for external FM sound detector of receiver. Input is taken from output of IF amplifier in receiver.- Linear Integrated Circuits and MOS/FET's, RCA Solid State Division, Somerville, NJ, 1977, p381.



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