Resonant circuit arrangement

Details Resonant circuit arrangement Resonant circuit arrangement

1980-11-14

1982-10-19

Mullins, James B.

Amplifiers

With distributed parameter-type coupling means

Waveguide, cavity, or concentric line resonator

331 98, H03F 360, H03B 518

Patent

active

043552862

ABSTRACT:
A resonant circuit arrangement for anode resonant circuits in radio frequency output amplifiers. A transmitter tube is formed with a cylindrical grid electrode and, coaxial therewith, a hollow cylindrical anode member encircling the grid electrode. A first circular metal disk extends perpendicularly from the grid electrode beyond the anode member. A second circular metal disk, with a smaller external diameter than the first, extends perpendicularly from the outer surface of the anode member. A hollow metal cylinder extends from the peripheral edge of the first circular metal disk past the second circular metal disk. A third circular metal disk extends from the hollow metal cylinder parallel with the first and second circular metal disks and on the side of the second disk opposite the first disk. A fourth circular metal disk is positioned between and parallel to the third and fourth disks. The fourth disk has an external diameter less than that of the first and third disks, and the third and fourth disks have internal diameters greater than the external diameter of the hollow cylindrical anode electrode. A cylindrical metal wall interconnects the internal edges of the third and fourth metal disks. A plurality of isolating capacitors are coupled between the outer edges of the second and third disks and so are electrically coupled to the cylindrical grid electrode.

REFERENCES:
patent: 2568727 (1951-09-01), Freeman

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