Cavity type band-pass filter with comb-line structure

Details Cavity type band-pass filter with comb-line structure Cavity type band-pass filter with comb-line structure

1996-03-26

1998-01-06

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333227, H01P 120

Patent

active

057059659

ABSTRACT:
Cavity filter with comb-line structure having a steep-flanked flanked pass-band. To obtain this steep flank, rejectors are positioned in the vicinity of the access bars of the filter, orthogonally to the teeth of the comb-line structure. The best results are obtained for the flanks corresponding to the high frequencies of the pass-band, namely with rejectors tuned to frequencies higher than the center frequency of the pass-band.

REFERENCES:
patent: 3818389 (1974-06-01), Fisher
patent: 3955161 (1976-05-01), MacTurk
patent: 4283697 (1981-08-01), Masuda et al.
patent: 4367473 (1983-01-01), Marin et al.
patent: 4386328 (1983-05-01), Masuda et al.
patent: 4937533 (1990-06-01), Livingston
patent: 5389903 (1995-02-01), Piirainen
patent: 5418509 (1995-05-01), Piirainen
patent: 5423080 (1995-06-01), Perret et al.
patent: 5428325 (1995-06-01), Jachowski et al.
Aug. 2, 1983.

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