Wide band, in-line, microwave amplifier

Details Wide band, in-line, microwave amplifier Wide band, in-line, microwave amplifier

1970-12-17

1976-04-13

Mullins, James B.

Amplifiers

With vacuum tube having distributed parameter impedance...

330 53, H03F 360

Patent

active

039507106

ABSTRACT:
A wide band, in-line, microwave amplifier having a large gain bandwidth product includes a coaxial tetrode located within a cavity. High gain in a relatively short active section of the amplifier results from close placement of the tetrode control grid to the centrally located cathode. Wide bandwidth is afforded by constant dimensional relationships along the transmission section of the device and by matching the impedance of the device to the load fed by the device.

REFERENCES:
patent: 2122538 (1938-07-01), Potter
patent: 2225447 (1940-12-01), Haeff et al.
patent: 2233126 (1941-02-01), Haeff
patent: 2546993 (1951-04-01), Ferguson
patent: 2647175 (1953-07-01), Sheer
patent: 2808470 (1957-10-01), Hansell
patent: 2840647 (1958-06-01), Koros et al.
patent: 3022443 (1962-02-01), Fowler
patent: 3389295 (1968-06-01), Pietrzyk

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