Distribution constant filter with suppression of TE11 resonance

Details Distribution constant filter with suppression of TE11 resonance Distribution constant filter with suppression of TE11 resonance

1984-02-08

1985-12-17

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, 333222, H01P 1201, H01P 1202

Patent

active

045595089

ABSTRACT:
An improved distribution constant type filter provided with a connecting arrangement which includes a through-opening formed in a dielectric block of the filter along a first cavity of a resonance unit at an initial stage, and a connector provided in the through-opening so that one end of the connector is electrically conducted to a conductive layer formed on part of the outer surface of the dielectric block, with the other end of the connector being connected to an external circuit to receive an input signal. The through-opening is preferably small in lateral cross section relative to the first cavity and positioned at a central portion in a widthwise direction of the dielectric block, and thus, coupling magnetic between the resonance unit and the external circuit suppresses a TE11 resonance mode in the filter.

REFERENCES:
patent: 3008103 (1961-11-01), Maurer et al.
patent: 3505618 (1970-04-01), McKee
patent: 4287494 (1981-09-01), Hashimoto et al.
patent: 4410868 (1983-10-01), Meguro et al.

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