Adjustable impedance driver network

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United States of America Patent

PATENT NO 4707620
SERIAL NO

06887314

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A variable impedance driver network comprises a plurality of transmission gates connected in parallel between a voltage source and an output. Each transmission gate has a predetermined nominal impedance and by turning on selective gates the overall impedance of the network may be adjusted to match that required at the output.

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Patent Owner(s)

Patent OwnerAddress
CREDENCE SYSTEMS CORPORATION1421 CALIFORNIA CIRCLE MILPITAS CA 95035

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Branson, Christopher W Beaverton, OR 3 189
Sullivan, Steven K Beaverton, OR 41 572

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