A single-chip CMOS filter/codec

A single-chip CMOS filter/codec

A second generation LSI codec has been implemented. In this chip, switched-capacitor filters, a charge redistribution encoder and decoder, voltage references, a signaling logic circuit, and all necessary functions for voice-PCM conversion are integrated. The authors describe the codec and summarizes...

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Veröffentlicht in:IEEE journal of solid-state circuits 1981-08, Vol.16 (4), p.302-307
Hauptverfasser: Yamakido, K., Suzuki, T., Shirasu, H., Tanaka, M., Yasunari, K., Sakaguchi, J., Hagiwara, S.
Format: Artikel
Sprache:eng
Schlagworte:
Capacitors
Circuits
Clocks
Codecs
Crosstalk
Decoding
Large scale integration
Low pass filters
Phase change materials
Voltage
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Beschreibung
Zusammenfassung:A second generation LSI codec has been implemented. In this chip, switched-capacitor filters, a charge redistribution encoder and decoder, voltage references, a signaling logic circuit, and all necessary functions for voice-PCM conversion are integrated. The authors describe the codec and summarizes its characteristics.
ISSN:0018-9200
1558-173X
DOI:10.1109/JSSC.1981.1051593