Dual Gunn diode self-oscillating mixer

Details Dual Gunn diode self-oscillating mixer Dual Gunn diode self-oscillating mixer

1983-06-27

1986-02-25

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455323, 331107G, 333110, H04B 126

Patent

active

045732132

ABSTRACT:
A dual Gunn self-oscillating mixer is shown which can mix signals in the range substantially without introducing any noise and with high input signal power handling capacity and with higher output mixed signal power than conventional, owing to boosted power from more than one microwave cavity. The device is comprised of two cavities and connected by a 180.degree. phase shift coax line for injection locking, or a cavity wall hole in yet another embodiment. The device handles larger power levels without burning out as compared to conventional type mixer devices such as Schottky barrier diodes having nearly 30 times the burnout susceptibility.

REFERENCES:
patent: 3628171 (1971-12-01), Kurokawa
patent: 3748596 (1973-07-01), Reynolds
patent: 4083016 (1978-04-01), Zangrando et al.
patent: 4147994 (1979-04-01), Thoren et al.
patent: 4232401 (1980-11-01), Chang et al.
patent: 4342009 (1982-07-01), Dixon, Jr.
patent: 4453139 (1984-06-01), Labaar

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