A single-chip CMOS PCM codec with filters

A complete PCM codec using charge redistribution and switched-capacitor techniques will be described. The device is implemented in a two-level polysilicon CMOS technology using 23.4 mm/SUP 2/ of active area. It features all the required transmission filters needed for telephony, two on-chip voltage...

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Veröffentlicht in:	IEEE journal of solid-state circuits 1981-08, Vol.16 (4), p.308-315
Hauptverfasser:	Marsh, D.G., Ahuja, B.K., Misawa, T., Dwarakanath, M.R., Fleischer, P.E., Saari, V.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Capacitors Codecs Costs Filters Frequency Phase change materials Resistors Sampling methods Telephony Voltage
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