Helical resonator

Details Helical resonator Helical resonator

1986-09-30

1987-10-13

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, 333222, 333245, H01P 700, H01P 120

Patent

active

047001585

ABSTRACT:
A helical resonator comprises an insulating body portion having therein a cavity. In one embodiment, a helical conductor is formed on the inside wall of the cavity and another conductor is formed on the outside of the insulating body. In another embodiment, the helical conductor is formed on the outside of the insulating body and the other conductor is formed on the outside wall of the cavity. In a preferred embodiment, the disclosed helical resonator is formed as an integral part of the body of a signal coupler for coupling an antenna to a tuner and electrically forms a series tuned trap connected between conductors of the signal coupler.

REFERENCES:
patent: 2583854 (1952-01-01), Kehbel
patent: 4494100 (1985-01-01), Stengel et al.
patent: 4531109 (1985-07-01), Olsen
"Low-Loss Ceramics for Radio-Frequency Use", by G. P. Britton, Electronic Engineering, Jul. 1941, pp. 301-303 and 318.

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