Circuit arrangement for a front end of an FMCW radar transceiver, FMCW radar transceiver and method for operation
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United States of America Patent
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Mar 28, 2017
Issued Date -
N/A
app pub date -
Oct 5, 2012
filing date -
Oct 6, 2011
priority date (Note) -
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Abstract
A circuit arrangement for a front end of an FMCW radar transceiver, with a signal terminal that is configured so as to couple to a signal filter device for purposes of signal exchange, a further signal terminal that is configured so as to couple to a VCO device for purposes of signal exchange, and an electronic circuit, which with the aid of a switching device included in the electronic circuit can be switched over between a reception circuit configuration and a transmission circuit configuration, is disclosed. The switching device has an RF switch, with which a signal route formed respectively in the RF switch, is embodied asymmetrically, in that the signal route in a reception circuit configuration and the signal route in a transmission circuit configuration have a different number of switching stages. A FMCW radar transceiver, and a method for the operation of a front end are also disclosed.
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