Microstrip line resonator with a feedback circuit

Details Microstrip line resonator with a feedback circuit Microstrip line resonator with a feedback circuit

1991-03-07

1993-02-16

Dzierzynski, Paul M.

Wave transmission lines and networks

Resonators

333205, H01P 708, H01P 1203

Patent

active

051874601

ABSTRACT:
A dielectric resonator has a pattern of metallic micro-wave strips deposited onto a dielectric substrate having a high relative permittivity. The pattern is of a generally annular shape and has a slot formed in the annular pattern. The resonator includes an positive feedback circuit coupled thereto having an active element, such as a transistor, and is usable, for instance, as a band-cut off or band-pass filter.

REFERENCES:
patent: 4262269 (1981-04-01), Griffin et al.
patent: 4264881 (1981-04-01), De Ronde
patent: 4323855 (1982-04-01), Gerlach
patent: 4604591 (1986-08-01), Vasile
patent: 4816788 (1989-03-01), Ishikawa et al.
patent: 5021757 (1991-06-01), Kobayashi et al.

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