Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Reexamination Certificate
2004-12-23
2010-02-02
Nguyen, Hai L (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
C327S272000, C327S278000
Reexamination Certificate
active
07656212
ABSTRACT:
A configurable delay chain with switching control. The configurable delay chain includes a plurality of delay elements. A switch circuit is included and is coupled to the delay elements and configured to select at least one of the plurality of delay elements to create a delay signal path. The delay signal path has an amount of delay in accordance with a number of delay elements comprising the delay signal path. An input is coupled to a first delay element of the delay signal path to receive an input signal and an output is coupled to the switch circuit and is coupled to the delay signal path to receive a delayed version of the input signal after propagating through the delay signal path. A plurality of turnoff devices are coupled to inputs of the delay elements and coupled to the switch circuit, wherein the switch circuit activates at least one turnoff device of at least one unused delay element that is not on the delay signal path.
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