System and method for discovering frequency related spurs in...

Details System and method for discovering frequency related spurs in... System and method for discovering frequency related spurs in...

2006-04-25

2006-04-25

Tran, Pablo N. (Department: 2685)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S313000, C455S314000, C455S323000, C455S296000, C398S201000

Reexamination Certificate

active

07035614

ABSTRACT:
The present invention is directed to a system and method of reducing frequency interference in a circuit when the harmonics of at least two frequencies could cause interference when such harmonics interact with each other. In one embodiment, a determination is made as to which harmonic could possibly support such interference, and based upon the determined harmonic, determining which combination within said determined harmonic is likely to cause the interference.

REFERENCES:
patent: 5737035 (1998-04-01), Rotzoll
patent: 5847612 (1998-12-01), Birleson
patent: 6567654 (2003-05-01), Coronel Arredondo et al.
patent: 6714263 (2004-03-01), Cowley
patent: 6785527 (2004-08-01), Earls
patent: 6888580 (2005-05-01), Dujmenovic
patent: 6898420 (2005-05-01), Black et al.
patent: 2296216 (2001-04-01), None
patent: 1 248 360 (2002-10-01), None
U.S. Appl. No. 08/904,693, filed Aug. 1997, Vince Birleson.
U.S. Appl. No. 09/572,393, filed May 2000, Vince Birleson.
International Search Report issued for PCT/US 03/39268, dated Jul. 8, 2004.

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