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A compact, energy-efficient 240 GHz FMCW radar sensor with high modulation bandwidth

 
: Thomas, S.; Bredendiek, C.; Jaeschke, T.; Vogelsang, F.; Pohl, N.

:

Institute of Electrical and Electronics Engineers -IEEE-:
10th German Microwave Conference, GeMIC 2016. Proceedings : 14-16 March 2016, Bochum, Germany
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-4673-9887-9
ISBN: 978-3-9812668-7-0
S.397-400
German Microwave Conference (GeMiC) <10, 2016, Bochum>
Englisch
Konferenzbeitrag
Fraunhofer FHR ()

Abstract
In this paper a highly integrated and compactly built FMCW radar system working at a center frequency of up to 240 GHz is presented. With an ultra wide tuning range of 40 GHz a range resolution down to 3.75 mm based on a-6 dB width of the target peak can be achieved, which enables this radar system for various high precision distance measurement and high resolution imaging applications. With the use of a highly integrated system architecture and on-chip antennas based on a single MMIC in combination with a PTFE lens antenna system, a very robust and compact realization is possible. Due to the full integration of all high frequency components, an open cavity QFN package can be used to mount the MMIC on a cost effective and easy-To-fabricate FR4 substrate, which also allows for quick and easy rework processes or chip replacements.

: http://publica.fraunhofer.de/dokumente/N-422364.html