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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Application filed by Sanyo Electric Co LtdfiledCriticalSanyo Electric Co Ltd
Priority to JP9977477ApriorityCriticalpatent/JPS5432927A/en
Publication of JPS5432927ApublicationCriticalpatent/JPS5432927A/en
PURPOSE: To simplify an AGC circuit to make the switching of PAL/SECAM easy by applying either of outputs of a negative and a positive detector circuits to the AGC circuit in the first video IF amplifier circuit as a comparison signal.