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A 77-GHz antenna and fully integrated radar transceiver in package

Published online by Cambridge University Press:  16 February 2012

A. Fischer ,
A. Stelzer  and
L. Maurer
A. Fischer*
Affiliation:
Christian Doppler Laboratory for Integrated Radar Sensors, Johannes Kepler University, Altenberger Str. 69, 4040 Linz, Austria
A. Stelzer
Affiliation:
Christian Doppler Laboratory for Integrated Radar Sensors, Johannes Kepler University, Altenberger Str. 69, 4040 Linz, Austria Institute for Communications Engineering and RF-Systems, Johannes Kepler University, Altenberger Str. 69, 4040 Linz, Austria
L. Maurer
Affiliation:
DICE GmbH & Co KG, Freistädter Str. 400, 4040 Linz, Austria
*
Corresponding author: A. Fischer Email: [email protected]
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Abstract

A 77-GHz–directional folded dipole antenna integrated in an embedded wafer level ball grid array package is presented. For the characterization of the antenna, a frequency multiplier is embedded, which scales the 4.25-GHz input signal up to 76.5 GHz and allows the use of a commercial signal source. The antenna structure is manufactured at the metallic layer, in the fan-out area of the package, and is directly connected to the monolithically integrated transceiver. The gain of the antenna is about 7 dBi, measured over a large bandwidth of about 8 GHz. The combination of the frequency multiplier with a 77-GHz transceiver and the on-package antenna is a promising approach for a system-in-package to future radar modules for automotive radar applications. Such a module avoids 77-GHz transitions to the printed circuit board and hence simplifies the design and manufacturing of the radar sensor significantly.

Keywords

Dipole antennasdirectional antennasantenna measurementsmillimeter wave integrated circuitsmillimeter wave measurementsmillimeter wave radarautomotive applications
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 4 , Issue 4 , August 2012 , pp. 447 - 453
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2012

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