Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Signal transmission integrity or spurious noise override
Reexamination Certificate
2005-04-19
2005-04-19
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Gating
Signal transmission integrity or spurious noise override
C327S333000, C327S589000
Reexamination Certificate
active
06882209
ABSTRACT:
A buffer circuit is used to convert signals of a first preselected voltage level to a second preselected voltage level. A pass gate transistor has a gate, source, and drain and is adapted to receive the signals of the first preselected voltage level, and deliver the signals of the second preselected voltage level. A capacitor is coupled across the source and drain of the pass gate transistor. A resistive element is coupled between the gate of the pass gate transistor and a voltage supply. The resistive element cooperates with a parasitic capacitance located between the gate and source of the pass gate transistor to form a pump that reacts to a low-to-high transition in the input signal to temporarily increase the voltage level applied to the gate of the pass gate transistor. This temporarily increased voltage level causes the voltage level output from the pass gate transition to track the transition in the input signal more closely.
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Blakely , Sokoloff, Taylor & Zafman LLP
Intel Corporation
Wells Kenneth B.
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