Preamplifier for low voltage signals in the presence of high voltage noise

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United States of America Patent

PATENT NO 4389674
SERIAL NO

06240660

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Abstract

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A preamplifier for use primarily with a solid state line scanner for amplifying the signal output from the scanner and suppressing the noise from switching spikes featuring a cascode-connected input stage in a preamplifier having its gain stabilized by negative feedback.

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Patent Owner(s)

  • LEEDS & NORTHRUP COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hitt, James J Willow Grove, PA 6 76
Kern, Scott L Perkasie, PA 9 451

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