Electronically tunable microstrip antenna

Details Electronically tunable microstrip antenna Electronically tunable microstrip antenna

1982-08-04

1984-10-02

Lieberman, Eli

Communications: radio wave antennas

Antennas

Microstrip

343830, H01Q 138

Patent

active

044751087

ABSTRACT:
A microstrip antenna with a linearly polarized radiating patch is varied in resonant frequency by an electronic tuning technique. A dc bias voltage is combined with the excitation signal to regulate the capacitance of a varactor diode mounted in the antenna structure. In one embodiment the varactor is in shunt with a half wave open circuited radiator and adds electrical length to the antenna, while in another embodiment the varactor is in series with a shorted quarter wave radiator and subtracts electrical length therefrom.

REFERENCES:
patent: 2996713 (1961-08-01), Boyer
patent: 3426352 (1969-02-01), Fenwick
patent: 3680136 (1972-07-01), Collings
patent: 3707711 (1972-12-01), Cole et al.
patent: 3713162 (1973-01-01), Munson et al.
patent: 3921177 (1975-11-01), Munson
patent: 3947850 (1976-03-01), Kaloi
patent: 3967276 (1976-06-01), Goubau
patent: 3978487 (1976-08-01), Kaloi
patent: 3978488 (1976-08-01), Kaloi
patent: 3984834 (1976-10-01), Kaloi
patent: 4040060 (1977-08-01), Kaloi
patent: 4051478 (1977-09-01), Kaloi
patent: 4053895 (1977-10-01), Malagisi
patent: 4060810 (1977-11-01), Kerr et al.
patent: 4070676 (1978-01-01), Sanford
patent: 4074270 (1978-02-01), Kaloi
patent: 4079268 (1978-03-01), Fletcher et al.
patent: 4089003 (1978-05-01), Conroy
patent: 4138684 (1979-02-01), Kerr
patent: 4162499 (1979-07-01), Jones, Jr. et al.
patent: 4163236 (1979-07-01), Kaloi
patent: 4167010 (1979-09-01), Kerr
patent: 4197544 (1980-04-01), Kaloi
patent: 4267532 (1981-05-01), Saleh
patent: 4319248 (1982-03-01), Flam
patent: 4320401 (1982-03-01), Schiavone
patent: 4410891 (1983-10-01), Schaubert et al.

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