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