Parallel connection multi-stage band-pass filter

Details Parallel connection multi-stage band-pass filter Parallel connection multi-stage band-pass filter

1990-05-01

1992-03-17

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333177, 333202, 333204, 333206, H03H 700, H01P 1201

Patent

active

050972367

ABSTRACT:
A parallel connection multi-stage band-pass filter including an input terminal and an output terminal for signals, a plurality of resonators respectively having resonator frequencies different from and close to one another which are electrically connected in parallel to each other between said input and output terminals.

REFERENCES:
patent: 2709206 (1955-04-01), Ferguson
patent: 2716733 (1955-08-01), Roark
patent: 3345589 (1967-10-01), DiPiazza
patent: 4395688 (1983-07-01), Sellers
patent: 4571560 (1986-02-01), Dobrovolny
patent: 4682131 (1987-07-01), May
patent: 4728913 (1988-03-01), Ishikawa et al.
Patent Abstracts of Japan, vol. 12, No. 101, Apr. 2, 1988, Figure & Abstract.
Soviet Inventions Illustrated, p. 10, Derwent Publications Ltd., London, Figure & Abstract, Oct. 1986.
Tech Notes, NASA Tech Brief, No. 3, Jul. 1974, Washington, High Q Band-Pass Resonators Utilizing Composite Band-Stop Resonator Pairs.

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