H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/62 (2006.01) H04B 1/62 (2006.01) H04N 5/38 (2006.01) H04N 7/04 (2006.01)
Patent
CA 2139071
A circuit is provided for precorrecting an aural carrier signal in a common amplifier system in a television transmitter wherein an aural frequency signal and a visual signal are commonly amplified. The precorrecting serves to minimize cross-modulation distortion of the aural carrier caused by the common amplification. A visual carrier signal ismodulated by a video baseband signal to provide a modulated video signal from which there is provided a sampled video signal. This sampled video signal is supplied to an aural corrector which provides from the sampled video signal a phase correction signal and an amplitude correction signal.
Harris Corporation
Oldham Edward H.
LandOfFree
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