Quad-ridge waveguide mixer

Details Quad-ridge waveguide mixer Quad-ridge waveguide mixer

1986-05-05

1987-09-01

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455326, 455330, 332 43B, H04B 126

Patent

active

046913807

ABSTRACT:
A double-balanced waveguide mixer is disclosed that utilizes a quad-ridge waveguide and a quad-diode ring. In a down-converter version of the mixer, the input signal is applied to one pair of opposed ridges of the quad-ridge waveguide and the local oscillator signal is applied to the other pair of opposed ridges. The diode ring is coupled through capacitors to one pair of opposed ridges, and is directly connected to the other pair of opposed ridges. The intermediate frequency is tapped off at the junction between the capacitors and the diode ring.

REFERENCES:
patent: 2441598 (1948-05-01), Robertson
patent: 2514679 (1950-07-01), Southworth
patent: 4032850 (1977-06-01), Hill
patent: 4306311 (1981-12-01), Igarashi
patent: 4380829 (1983-04-01), Stevenson et al.

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