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Proceedings Paper

Low-cost receivers for millimeter-wave imaging array applications
Author(s): Steven M. Mollenkopf; Sanjay Raman; Linda P.B. Katehi; Gabriel M. Rebeiz
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Paper Abstract

Integrated circuit receivers have been built and tested for applications at millimeterwave frequencies. The receivers utilize a coplanar waveguide-fed double folded-slot (DFS) antenna on a high-resistivity silicon substrate lens. The 22 GHz receiver couples the antenna to a 6- stage MESFET followed by a planar Schottky-diode detector. Measurements of the system performance show a video responsivity close to 1 GV/W and a radiometer sensitivity of 3.8 (mu) V/K. The active MIC receiver can be integrated monolithically and is readily scalable to W-band frequencies. The 94 GHz double folded-slot antenna exhibits excellent millimeterwave patterns, demonstrating the suitability of the DFS for use at W-band. The application areas for this type of receiver re in low-cost millimeterwave linear imaging arrays for remote sensing, automobile collision-avoidance and limited-visibility aircraft landing systems.

Paper Details

Date Published: 26 May 1995
PDF: 6 pages
Proc. SPIE 2448, Smart Structures and Materials 1995: Smart Electronics, (26 May 1995); doi: 10.1117/12.210473
Show Author Affiliations
Steven M. Mollenkopf, Univ. of Michigan (United States)
Sanjay Raman, Univ. of Michigan (United States)
Linda P.B. Katehi, Univ. of Michigan (United States)
Gabriel M. Rebeiz, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 2448:
Smart Structures and Materials 1995: Smart Electronics
Vijay K. Varadan, Editor(s)

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