Oscillators – With distributed parameter resonator – Parallel wire type
Patent
1986-02-26
1987-02-10
Grimm, Siegfried H.
Oscillators
With distributed parameter resonator
Parallel wire type
331 96, 333254, 333260, H03B 518
Patent
active
046425780
ABSTRACT:
A radio frequency circuit for ICRF heating includes a resonant push-pull circuit, a double ridged rectangular waveguide, and a coupling transition which joins the waveguide to the resonant circuit. The resonant circuit includes two cylindrical conductors mounted side by side and two power vacuum tubes attached to respective ends of a cylindrical conductor. A conductive yoke is located at the other end of the cylindrical conductors to short circuit the two cylindrical conductors. The coupling transition includes two relatively flat rectangular conductors extending perpendicular to the longitudinal axes of a respective cylindrical conductor to which the flat conductor is attached intermediate the ends thereof. Conductive side covers and end covers are also provided for forming pockets in the waveguide into which the flat conductors extend when the waveguide is attached to a shielding enclosure surrounding the resonant circuit.
REFERENCES:
patent: 2247779 (1941-07-01), Keister
patent: 2370423 (1945-02-01), Roberts
patent: 2404188 (1946-07-01), Phillips
Constant Richard E.
Grimm Siegfried H.
Hightower Judson R.
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