Structure of reception frequency converting portion in a multi-b

Details Structure of reception frequency converting portion in a multi-b Structure of reception frequency converting portion in a multi-b

1993-03-17

1994-08-23

Barron, Jr., Gilberto

Communications: directive radio wave systems and devices (e.g.,

Radar ew

Detection of surveilance

333230, 331107DP, 455319, G01S 740, H04B 126, H01P 706

Patent

active

053411382

ABSTRACT:
A structure of a reception frequency converting portion of a multi-band microwave detector, and including a microwave circuit comprises a horn antenna, two-port cavity integrally formed with the horn antenna and having one port communicated with a throat portion of the horn antenna, one-port cavity integrally formed with the two-port cavity and communicated with the other port of the two-port cavity, a mixer diode located at the throat portion of the horn antenna, a first local oscillator arranged within the two-port cavity, and a second local oscillator arranged within the one-port cavity.

REFERENCES:
patent: 4571593 (1986-02-01), Martinson
patent: 4939521 (1990-07-01), Burin
patent: 4952936 (1990-08-01), Martinson
patent: 4961074 (1990-10-01), Martinson

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