Pulse generating circuit, electronic device using this pulse...

Details Pulse generating circuit, electronic device using this pulse... Pulse generating circuit, electronic device using this pulse...

2006-09-12

2008-11-11

Cox, Cassandra (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Clock or pulse waveform generating

C327S172000

Reexamination Certificate

active

07449932

ABSTRACT:
A pulse generating circuit includes a plurality of delay elements cascaded so as to constitute a predetermined loop, wherein when a predetermined input pulse is supplied to a leading end of the series connection, an effective frequency multiplication is applied to signals which appear at a plurality of portions out of the node portions among the plurality of delay elements and the terminal end portion of the series connection by a logical circuit to obtain an output pulse having a higher frequency than the input pulse.

REFERENCES:
patent: 6037812 (2000-03-01), Gaudet
patent: 6421389 (2002-07-01), Jett
patent: 2001/0033576 (2001-10-01), Richards
patent: 2003/0108133 (2003-06-01), Richards
T. Terada, S. Yoshizumi, Y. Sanada, T. Kuroda; A CMOS Impulse Radio Ultra-Wideband Transceiver for 1 Mb/s Data Communications and ±2.5 cm Range Findings, 2005 Symposium on VLSI Circuits Digest of Technical Papers.

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