Programmable filter

Details Programmable filter Programmable filter

2007-10-22

2008-12-16

Wang, Ted (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S340000, C708S005000, C708S300000, C708S314000, C708S819000

Reexamination Certificate

active

07466781

ABSTRACT:
Apparatuses, methods, and articles of manufacture disclosing a filter with a plurality of convolver branches are described herein. Each of the plurality of convolver branches include a multiplier, integrator, and sampler and hold circuit. A sampled output of one branch may be fed back to another branch. Other embodiments may be described and claimed.

REFERENCES:
patent: 4295204 (1981-10-01), Sunstein
patent: 6219376 (2001-04-01), Zhodzishsky et al.
patent: 6728517 (2004-04-01), Sugar et al.
patent: 7013319 (2006-03-01), Gentile
patent: 2002/0150174 (2002-10-01), Spiegel et al.
patent: 2002/0198915 (2002-12-01), Rainish
patent: 2004/0071244 (2004-04-01), Shaeffer
patent: 2 123 257 (1984-01-01), None
patent: 01/43052 (2001-06-01), None
International Search Report for PCT/US2004/007823, Aug. 16, 2004.

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