Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Rectangular or pulse waveform width control
Reexamination Certificate
2005-01-04
2005-01-04
Ton, My-Trang Nu (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Rectangular or pulse waveform width control
C327S176000
Reexamination Certificate
active
06838919
ABSTRACT:
A pulse-width controller (1800) is described. Pulse generators (1700L,1700H) are coupled to receive clock signals (1320, 1321) and configured to extend respective high-time and low-time pulse widths to provide signals with lengthened pulse widths (1320P,1321P). Control signals (1803, 1804) are generated from pulse-width lengthened signals (1320P,1321P). Clock signals (1320, 1321) and the pulse-width lengthened signals (1320PB,1321P,1321PB) are provided to differential logic (1823through1828), such as Differential Cascode Voltage Switch Logic, to provide a differential output (1611, 1612) which is duty-cycle adjusted. The control signals (1803, 1804) in combination with the pulse-width lengthened signals (1320PB,1321P,1321PB) are used to selectively activate a respective portion of the differential logic (1823through1828) to pass signals to the differential output (1611, 1612).
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Liu Justin
Nu Ton My-Trang
Webostad W. Eric
Xilinx , Inc.
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