TV_SOUND_SYSTEM

Published:2009/6/18 1:43:00 Author:May | From:SeekIC

An LM2808 performs IF amplification of the 4.5-MHz sound subcarrier, limiting, detection, and audio amplification. If the center frequency must be changed, then change L1/C4. Audio out-put is 0.5 W. R3 is the volume control.



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