Millimeter-wave quasi-optical planar balanced mixer

Details Millimeter-wave quasi-optical planar balanced mixer Millimeter-wave quasi-optical planar balanced mixer

1982-06-10

1985-01-01

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

343700MS, 455330, H04B 126

Patent

active

044919778

ABSTRACT:
A millimeter-wave, planar, balanced mixer having optical means for coupling radio frequency waves to the mixer circuit. The optical coupling means may comprise a dielectric lens and particularly a spherical dielectric lens. The spherical lens not only provides a gain for the radio frequency energy but overcomes the severe tolerance requirements and size restrictions encountered in fabrication of conventional waveguides for millimeter waves in the range of 100 to 300 GHz.

REFERENCES:
patent: 2822541 (1958-02-01), Sichak et al.
patent: 4215313 (1980-07-01), Chang et al.
patent: 4276655 (1981-06-01), Kraemer et al.
Kerr et al.-"A Simple Quasi-Optical Mixer"-IEEE Microwave Theory and Tech. Intern. Microwave Symposium Dig.-Jun. 1977.
Swanberg et al.-"Quasi-Optical Mixer"-Microwave System News-vol. 9, No. 5, May 1979, pp. 58-60.
Wrixon-A 350-400 GHz Superheterodyne Receiver-GSA Jour. 1979, vol. 3, No. 3, pp. 201-206.
Hackmeister-"Radio Receiver"-Electronic Design 23, Nov. 8, 1977, pp.26, 27.

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