Waveguide-fed microwave system particularly for cavity-backed spiral antennas for the Ka band
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United States of America Patent
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-
Jan 10, 1989
Grant Date -
N/A
app pub date -
Jan 13, 1987
filing date -
Jan 17, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A waveguide-fed microwave system particularly for cavity-backed spiral antennas for the Ka band comprises a waveguide transmission line; a microwave device having a pair of balanced, parallel feed wires; and a doubled tapered ridge transformer directly connecting the waveguide transmission line to the balanced, parallel feed wires of the microwave device providing a direct symmetrical transition between the waveguide transmission line and the microwave device.
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