Ultra-high frequency tuning device of the sliding contact type

Details Ultra-high frequency tuning device of the sliding contact type Ultra-high frequency tuning device of the sliding contact type

1981-03-04

1983-03-15

Nussbaum, Marvin

Wave transmission lines and networks

Resonators

Cavity resonator

333209, 333253, H01P 706, H01P 1207

Patent

active

043769233

ABSTRACT:
The tuning device comprises a hollow cylindrical part and a moving rod which penetrates a cavity by passing from one side to the other of the hollow cylindrical member. This cylindrical member is fixed and integral with the cavity. It has an end located within the cavity, the end being longitudinally cut to form n slots (n being an integer greater than 1) for forming n elastic members, which are covered with an electrolytic silver deposit. Joined silver contacts are welded to the end of the elastic members to provide the contact with the moving rod and prevent poor conduction of surface currents due to wear to the electrolytic deposit at the contacts.

REFERENCES:
Schrenk et al.-"Tuning Stubs as an Aid to Coupling RF Energy to Electrodeless Discharge Lamps", applied Spectroscopy, vol. 26, No. 1, 1972, pp. 108-110.

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