| horizontal deflection oscillator [´här·ǝ`zänt·ǝl di`flek·shǝn `äs·ǝ´lād·ǝr] ELECTRONICS The oscillator that produces, under control of the horizontal synchronizing signals, the sawtooth voltage waveform that is amplified to feed the horizontal deflection coils on the picture tube of a television receiver. Also known as horizontal oscillator. |