Wide-range programmable delay line

Details Wide-range programmable delay line Wide-range programmable delay line

2006-10-10

2006-10-10

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S276000, C327S158000

Reexamination Certificate

active

07119596

ABSTRACT:
An apparatus comprising an input section, a first delay circuit and a second delay circuit. The input section may be configured to present a first intermediate signal by selecting either (i) an input clock signal or (ii) a feedback of an output signal. The first delay circuit may be configured to generate a second intermediate signal by delaying the first intermediate signal by inserting one of a plurality of fixed delays in response to a first control signal. The second delay circuit may be configured to generate the output signal by delaying the second intermediate signal by inserting a programmable delay in response to a second control signal.

REFERENCES:
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patent: 5712582 (1998-01-01), Yokota et al.
patent: 6204710 (2001-03-01), Goetting et al.
patent: 6292040 (2001-09-01), Iwamoto et al.
patent: 6483359 (2002-11-01), Lee
patent: 6765976 (2004-07-01), Oh
patent: 2005/0248377 (2005-11-01), Drexler et al.

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