Antenna arrangements

Details Antenna arrangements Antenna arrangements

1980-08-08

1983-02-08

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

455126, H04B 700

Patent

active

043731600

ABSTRACT:
An antenna arrangement is provided with a phase lock loop so that the phase of microwave energy radiated by an antenna element can be precisely controlled. The phase lock loop provides compensation for phase errors introduced in the feed to the antenna element and includes a controllable local oscillator. In practice, a large number of individual antenna channels could be provided, each having its own phase lock loop, so that together a directional microwave beam could be radiated. Such a requirement can exist in connection with pulsed radars.

REFERENCES:
patent: 3141134 (1964-07-01), Osborne et al.
patent: 3418578 (1968-12-01), Bose
patent: 3831094 (1974-08-01), Stover
patent: 3832713 (1974-08-01), Rubin
patent: 3858215 (1974-12-01), Miller et al.
Patent Abstracts of Japan vol. 4, No. 36, Mar. 26, 1980, p. 156E3, JPA5510271.
Taschenbuch der Hochfrequency Technik, by H. Meinke and F. W. Gundlach, Springer--Verlag Berlin/Heildelberg/New York, 1968, pp. 1509-1511.

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