Phased-array antenna
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United States of America Patent
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-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Sep 11, 1997
filing date -
Sep 11, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A phased-array antenna, particularly for the radar frequency range, comprising at least a predetermined number of transmit/receive radiator elements arranged linearly and/or matrix-shaped, a power distribution as well as a phase shifter network and a transmit/receive change-over arrangement. The transmit/receive change-over arrangement includes a serial feed comprising a waveguide with coupling in/coupling out locations disposed along its length and to which the phase shifter network, and possibly a further power distribution network, is coupled and also the transmitting/receiving arrangements are coupled. With this arrangement, an otherwise needed transmit/receive switch, for example, a circulator, is not necessary.
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