Method and apparatus for a communications filter

Details Method and apparatus for a communications filter Method and apparatus for a communications filter

2006-07-13

2008-08-26

Tran, Anh Q (Department: 2819)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S034000, C333S202000

Reexamination Certificate

active

07417517

ABSTRACT:
A method and apparatus for a highpass filter structure using transmission line construction which has multiple output tabs for selection of corner frequencies utilizing a plurality of resonators coupled to the transmission line. The transmission line has a characteristic impedance which increases exponentially with respect to a distance from the input.

REFERENCES:
patent: 3585499 (1971-06-01), Bolie
patent: 5856722 (1999-01-01), Haronian et al.
patent: 6768398 (2004-07-01), Callaway, Jr. et al.

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