William A. Severin | Researchain

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Featured researches published by William A. Severin.

international solid-state circuits conference | 2002

Analog processing circuits for a 1.1 V 270 /spl mu/A mixed-signal hearing aid chip

John W. Fattaruso; James R. Hochschild; Walter Sjursen; Lieyi Fang; D.G. Gata; Charles M. Branch; J. Holmes; Zhongnong Jiang; Shuyou Chen; Kuok Ling; Eugene Petilli; M.L. Skorcz; R.R. Dickerson; William A. Severin

A compressing preamplifier, ADC, DAC, output driver and clock oscillator are implemented in a mixed-signal BiCMOS hearing-aid chip with digital filtering. 2.8 /spl mu/V input noise floor over the audio band and 0.02 % THD are achieved with 270 /spl mu/A total battery current.

Archive | 1987

Switched capacitor filter

James R. Hochschild; William A. Severin

Archive | 1993

Linear/companding A/D converter

Henry T. Yung; James R. Hochschild; William A. Severin

Archive | 1992

Multi-mode digital to analog converter and method

Sabrina D. Phillips; James R. Hochschild; William A. Severin

Archive | 1982

PSK modem filter switch

Edward R. Klinkovsky; William A. Severin

Archive | 1981

Integrated circuit demodulator for FSK signals

William A. Severin

Archive | 1983

Bilateral digital data transmission system

Kerry A. Hanson; James R. Hochschild; Edward R. Klinkovsky; William A. Severin

Archive | 1993

Multi-mode analog to digital converter and method

Henry Tin-Hang Yung; James R. Hochschild; William A. Severin

Archive | 2002

Mixed-Signal Hearing Aid Chip

John W. Fattaruso; James R. Hochschild; Walter Sjursen; D. George Gata; Charles M. Branch; Jim Holmes; Shuyou Chen; Kuok Young Ling; Eugene Petilli; Michael L. Skorcz; Ricky R. Dickerson; William A. Severin

Archive | 1993