Dielectric notch filter

Details Dielectric notch filter Dielectric notch filter

1988-12-14

1989-08-29

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333212, 3332191, 333235, H01P 120

Patent

active

048621226

ABSTRACT:
A dielectric notch filter for attenuating frequencies of relatively narrow bandwidth in comparison to the center frequency of operation, and particularly for attenuating such narrow bandwidths in the ultra-high frequency electromagnetic spectrum. The dielectric notch filter comprises a plurality of dielectric notch resonators coupled to a transmission line at slightly less than the quarter wavelength of the center frequency of the attenuation frequency bandwidth so as to minimize interaction between the individual dielectric notch resonators. Each dielectric notch resonator comprises a dielectric resonator, an associated housing and a coupling reactance element which in turn comprises an inductive wire and a variable capacitor so as to null the reactive component of the dielectric resonator, thereby resulting in a highly attenuated resonant frequency having little imaginary component about said center frequency. By use of a plurality of such dielectric notch resonators, a bandwidth of frequencies can be attenuated through coupling of each resonator to the transmission line.

REFERENCES:
patent: 4028652 (1977-06-01), Wakino et al.
patent: 4241322 (1980-12-01), Johnson et al.
patent: 4692723 (1987-09-01), Fiedziuszko et al.

Affiliated with

Also associated with

Rating

Dielectric notch filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dielectric notch filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dielectric notch filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2241650