Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Patent
1995-12-15
1998-03-24
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
327276, 327281, 327279, H03K 513, H03K 5159
Patent
active
057317259
ABSTRACT:
A precision delay circuit in an integrated circuit chip includes a transistor switching circuit in combination with a control circuit and a compensation circuit. The transistor switching circuit receives an input signal; and in response, the transistors switch on and off at an unpredictable speed to generate an output signal with a delay that has a large tolerance. The control circuit estimates the unpredictable speed at which the transistors switch and it generates control signals that identify the estimated speed. The compensation circuit includes a plurality of compensation components for the transistor switching circuit. This compensation circuit receives the control signals from the control circuit; and in response, it selectively couples the compensation components to the transistor switching circuit such that the combination of the transistors and the selectively coupled components generates the output signal with a precise delay that has an insignificant tolerance.
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Rothenberger Roland D.
Sullivan Greg T.
Tung Kenny Yifeng
Callahan Timothy P.
Fassbender Charles J.
Petersen Steven R.
Shin Eunsa
Starr Mark T.
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