Quasi-optical polarization duplexed balanced mixer

Details Quasi-optical polarization duplexed balanced mixer Quasi-optical polarization duplexed balanced mixer

1983-03-23

1985-04-02

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

343700MS, 343769, 455330, H04B 126, H01Q 1300

Patent

active

045092095

ABSTRACT:
An integrated planar antenna-mixer device for microwave reception utilizes a slot-ring antenna and a diode quad connected thereto. The device comprises a planar metallic sheet backed on one side by a dielectric layer. A circular ring pattern is cut from the metallic sheet forming a slot ring antenna with a central disc and a surrounding ground plane. Diodes of a diode quad are connected between the central disc and the ground plane with adjacent diodes being separated by 90.degree.. The incoming microwave signal is directed perpendicular to the device plane and polarized in a direction orthogonal to a local oscillator signal similarly directed. Operation is quasi-optical without waveguides.

REFERENCES:
patent: 2142159 (1939-01-01), Southworth et al.
patent: 3066290 (1962-11-01), Whitehorn
patent: 3072850 (1963-01-01), Whitehorn
patent: 3238529 (1966-03-01), Bock

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