Electronic digital logic circuitry – Function of and – or – nand – nor – or not – Bipolar transistor
Reexamination Certificate
2008-12-03
2010-10-26
Tan, Vibol (Department: 2819)
Electronic digital logic circuitry
Function of and, or, nand, nor, or not
Bipolar transistor
C326S112000, C326S115000, C326S068000, C326S063000, C327S112000, C327S563000, C327S108000
Reexamination Certificate
active
07821300
ABSTRACT:
A system includes a first CML buffer configured to receive a first bias signal and a first CML signal of a first CML logic family. The first CML buffer produces a second CML signal of the first CML logic family based on the first CML signal and the first bias signal. A first coupling capacitor module couples to the first CML buffer. The first coupling capacitor module receives the second CML signal and produces a third CML signal based on the second CML signal. A second CML buffer couples to the coupling capacitor module and receives a second bias signal and the third CML signal, producing a fourth CML signal of a second CML logic family. A feedback module couples to the second CML buffer and receives the fourth CML signal producing a fifth CML signal. The second CML buffer is produces the fourth CML signal based on the second bias signal, the third CML signal, and the fifth CML signal.
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International Search Report and Written Opinion—International Application No. PCT/ EP2009/ 065533 dated Mar. 3, 2010.
Bernard Dan P.
Schiff John C.
Wiedemeier Glen A.
International Business Machines - Corporation
Tan Vibol
The Caldwell Firm, LLC
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