Single-ended semiconductor receiver with built in threshold voltage difference

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United States of America Patent

PATENT NO

20010000953

APP PUB NO

20010000953A1

SERIAL NO

09755493

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A differential receiver for sensing small input voltage swings by using a built in reference voltage obtained by a difference in threshold voltage between a differential pair of closely spaced transistors. The difference in threshold voltage can be produced by different values of ion implantation of the gates of the transistor pair with the same material, or by dosages using different materials. The difference in threshold voltage can also be obtained by using different transistor channel lengths. The threshold voltages can also be modulated by the control of the transistor substrate voltages using a voltage control substrate means.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INTERNATIONAL BUSINESS MACHINES CORPORATIONARMONK, NY44790

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bertin, Claude L South Burlington, VT 229 7543
Houghton, Russell J Essex Junction, VT 61 1209
Tonti, William R Essex Junction, VT 236 4305

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