Waveguide bandpass filter

Details Waveguide bandpass filter Waveguide bandpass filter

1985-01-17

1987-06-23

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333212, 333226, H01P 1219, H01P 1208, H01P 706

Patent

active

046756310

ABSTRACT:
A waveguide bandpass filter having multiple waveguide sections including alternating ridge waveguide sections and evanescent waveguide sections. The ridge waveguide sections define a resonant cavity and the evanescent waveguide sections reactively load the resonant cavity thus intercoupling the ridge waveguide sections so as to provide a low loss filter having high attenuation, not only at adjacent stop band frequencies, but also at harmonics of the pass band.

REFERENCES:
patent: 2943280 (1960-06-01), Brill
patent: 3819900 (1974-06-01), Ironfield
patent: 3949327 (1976-04-01), Chapell

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