Impedance-matching wave filter

Details Impedance-matching wave filter Impedance-matching wave filter

2006-04-18

2006-04-18

Ham, Seungsook (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S172000, C333S032000

Reexamination Certificate

active

07030717

ABSTRACT:
An impedance matching wave filter includes an original wave filter and a match circuit. The match circuit is connected in parallel with the original wave filter and is able to be varied to produce impedance matching with the original wave filter in order to improve the condition of the return loss and to lower signal fading and signal distortion.

REFERENCES:
patent: 5379008 (1995-01-01), Bockelman et al.
patent: 5541558 (1996-07-01), Weber et al.
patent: 5883553 (1999-03-01), Tsumura
patent: 5969582 (1999-10-01), Boesch et al.
patent: 6426683 (2002-07-01), Gu et al.
patent: 6895089 (2005-05-01), Wang
patent: 2002/0067226 (2002-06-01), Iguchi
patent: 2306529 (2000-10-01), None

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