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A Compact Manufacturable 76–77-GHz Radar Module for Commercial ACC Applications

Gresham, I and Jain, N and Budka, T and Alexanian, A and Kinayman, N and Ziegner, B and Brown, S and Staecker, P (2001) A Compact Manufacturable 76–77-GHz Radar Module for Commercial ACC Applications. In: IEEE Transactions on Microwave Theory and Techniques, 49 (1). pp. 44-58.


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The design and measured results of a single-substrate transceiver module suitable for 76-77-GHz pulsed-Doppler radar applications are presented. Emphasis on ease of manufacture and cost reduction of commercial millimeter-wave systems is employed throughout as a design parameter. The importance of using predictive modeling techniques in understanding the robustness of the circuit design is stressed. Manufacturing techniques that conform to standard high-volume assembly constraints have been used. The packaged transceiver module, including three waveguide ports and intermediate-frequency output, measures 20 mm x 22 mm x 8 mm. The circuit is implemented using discrete GaAs/AlGaAs pseudomorphic high electron mobility transistors (pHEMTs), GaAs Schottky diodes, and varactor diodes, as well as GaAs p-i-n and pHEMT monolithic microwave integrated circuits mounted on a low-cost 127-mum- thick glass substrate, A novel microstrip-to-waveguide transition is described to transform the planar microstrip signal into the waveguide launch. The module is integrated with a quasi-optical antenna. The measured performance of both the component parts and the complete radar transceiver module is described.

Item Type: Journal Article
Publication: IEEE Transactions on Microwave Theory and Techniques
Publisher: IEEE
Additional Information: ©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Circuit functions;consumer electronics;Doppler radar;millimeter-wave radar;waveguide transitions
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 22 Aug 2008
Last Modified: 09 Jan 2013 05:22
URI: http://eprints.iisc.ac.in/id/eprint/1897

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