Resonant wave filter

Details Resonant wave filter Resonant wave filter

1989-01-05

1989-06-06

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, 333212, H01P 1208, H01P 1205, H01P 120

Patent

active

048375357

ABSTRACT:
A compact resonant wave filter capable of selectively propagating an electromagnetic wave of a prescribed frequency with excellent band-pass wave filter characteristics comprises a TM mode resonator disposed perpendicularly to the direction of propagation of electromagnetic wave energy, a pair of TEM mode resonators disposed one on either side or said TM mode resonator in the direction of propagation of electromagnetic wave energy, and a pair of cutoff waveguides disposed one between said TEM mode resonator and each of said TM mode resonators to couple said TEM mode resonator with said TM mode resonators in evanescent mode.

REFERENCES:
patent: 4626809 (1986-12-01), Mizumura et al.

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