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Featured researches published by Mark R. Plagens.


IEEE Journal of Solid-state Circuits | 1988

A 6 K GaAs gate array with fully functional LSI personalization

Andrzej Peczalski; Gary M. Lee; William R. Betten; H. Somal; Mark R. Plagens; James R. Biard; Ian Burrows; Barry K. Gilbert; Rick L. Thompson; Barbara Naused; Susan M. Karwoski; Mark L. Samson; Sharon K. Zahn

A 12*12 multiplier consisting of 19000 devices was successfully implemented on a 6000-gate array. A high-yield-oriented circuit design and the gate-array architecture are presented. It is shown that when temperature compensation is applied the GaAs circuit operating range can be extended over 160 degrees C range. The backgating and dynamic (switching) noise are also discussed as the key noise-margin limiting factors. A specialized on-chip circuitry which enables on-chip measurement and fault localization in complex GaAs ICs is proposed and implemented. The high yield of the multiplier (10%) seems to be limited only by particle contamination, which indicates that the noise margin is satisfactory for the GaAs nonselfaligned depletion-mode fabrication process. >


Archive | 2001

Hall-effect element with integrated offset control and method for operating hall-effect element to reduce null offset

Mark R. Plagens; Michael J. Haji-Sheikh; Walter T. Matzen


Archive | 1994

Offset pressure sensor

James D. Cook; Albert W. Drabowicz; D. Joseph Maurer; Mark R. Plagens; Uppili Sridhar; Carl Stewart


Archive | 1996

Magnetic sensor circuit with two magnetically sensitive devices

Mark R. Plagens


Archive | 1991

Temperature compensator for hall effect circuit

Mark R. Plagens


Archive | 2001

Magnetoresistive speed and direction sensing method and apparatus

Michael J. Haji-Sheikh; Mark R. Plagens; Robert Kryzanowski


Archive | 1993

Method for etching silicon

Richard A. Davis; Mark R. Plagens; Uppili Sridhar


Archive | 2001

Sensor with a dynamic latch

Mark R. Plagens


Archive | 1986

MESFET logic using integral diode level shifting

Mark R. Plagens


Archive | 2000

Supply current regulator for two-wire sensors

Richard Kirkpatrick; Mark R. Plagens

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