Structure of reception frequency converting portion in a multi-band microwave detector
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United States of America Patent
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Aug 23, 1994
Grant Date -
N/A
app pub date -
Mar 17, 1993
filing date -
Mar 24, 1992
priority date (Note) -
Expired
status (Latency Note)
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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.
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