Dual mode microwave amplifier subsystem

Details Dual mode microwave amplifier subsystem Dual mode microwave amplifier subsystem

1974-09-09

1976-10-12

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 738, H04K 300

Patent

active

039861880

ABSTRACT:
A dual mode electronic countermeasures subsystem includes: a turnstile junction having two pairs of waveguide inputs and a cylindrical waveguide output; quadrature couplers; continuous wave microwave energy source means for applying CW microwave energy; and pulse microwave energy source means for applying pulses of microwave energy. Power from the source is premixed by quadrature couplers and then applied to the ports of the turnstile junction wherein the output of said turnstile junction comprises either or both continuous wave microwave energy or pulse microwave energy having polarization ellipticity determined by the degree of coupling. Suitably the microwave energy source means may include traveling wave type amplifier tubes and the cylindrical waveguide output of the turnstile junction may be connected directly to a suitable radiating system.

REFERENCES:
patent: 2965898 (1960-12-01), Lewis
patent: 3265993 (1966-08-01), Davidson et al.
patent: 3611370 (1971-10-01), Frasure
patent: 3688313 (1972-08-01), Kern

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