Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1976-05-21
1978-10-10
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343756, 333 21A, H04B 700
Patent
active
041199677
ABSTRACT:
A microwave system is disclosed for simultaneous amplification and radiation of CW and pulsed signals wherein signals from a CW amplifier tube and a pulsed power amplifier tube are transmitted to an antenna where they are radiated as signals with circular polarizations of opposite direction. In one embodiment interstage circuitry between the amplifiers and the antenna includes a magic "T" hybrid and a 90.degree. phase shifter.
REFERENCES:
patent: 2619635 (1952-11-01), Chait
patent: 2885542 (1959-05-01), Sichak
patent: 2942261 (1960-06-01), Jones et al.
patent: 3034118 (1962-05-01), Parisi
patent: 3092828 (1963-06-01), Allen
patent: 3540045 (1970-11-01), Taylor
patent: 3668567 (1972-06-01), Rosen
patent: 3688313 (1972-08-01), Kern
Johnson Gilbert R.
Olson Frank A.
Blum T. M.
Teledyne Inc.
Wilbur Maynard R.
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