Local oscillator and mixer assembly

Details Local oscillator and mixer assembly Local oscillator and mixer assembly

1984-11-29

1987-02-03

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455328, 455330, 455325, H04B 126

Patent

active

046413693

ABSTRACT:
A radio-frequency mixer and a local oscillator integrated into a single housing, and including a Gunn-type oscillator coupled to the mixer by a section of microstrip transmission line and a section of suspended stripline. A broadside coupler in the suspended stripline provides dc and intermediate-frequency isolation for the mixer, and a block of dielectric material on the microstrip provides improved temperature compensation for the diode oscillator. The entire compact assembly has good conversion loss performance over a relatively wide frequency band, and is relatively insensitive to temperature changes.

REFERENCES:
patent: 4000469 (1976-12-01), McMaster
patent: 4392255 (1983-07-01), Del Giudice
patent: 4406020 (1983-09-01), Reindel
patent: 4412354 (1983-10-01), Hu
patent: 4418429 (1983-11-01), Roberts

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