Description

The CXA2020M/S, is a bipolar IC designed as EIAJ TV sound multiplexing decoder, provides various functions including sound multiplexing demodulation, broadcast mode identification (stereo/bilingual discrimination display), mode display, and muting.

Features

? Adjustment free of filter.

? High frequency stereo separation improved.

? An internal active filter greatly reduces the external parts.

? Use of the countdown method for broadcast mode identification eliminates the necessity of adjusting the identification system (Cue oscillator).

? Output level: 520mVrms (1kHz, monaural, 100).

? Internal filter eliminates interference from digital facsimile signals.

? The discrimination time needed to shift from multiplexing sound to monaural sound is reduced.

? Forced monaural mode can be set to operate only for stereo broadcasts or for stereo/bilingual broadcasts.

Applications

? Color TVs

? Hi-Fi VCRs