Low-cost receivers for millimeter-wave imaging array applications

Steven M. Mollenkopf; Sanjay Raman; Linda P.B. Katehi; Gabriel M. Rebeiz

doi:10.1117/12.210473

26 May 1995 Low-cost receivers for millimeter-wave imaging array applications

Steven M. Mollenkopf, Sanjay Raman, Linda P.B. Katehi, Gabriel M. Rebeiz

Proceedings Volume 2448, Smart Structures and Materials 1995: Smart Electronics; (1995) https://doi.org/10.1117/12.210473
Event: Smart Structures and Materials '95, 1995, San Diego, CA, United States

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.

Citation Download Citation

Steven M. Mollenkopf, Sanjay Raman, Linda P.B. Katehi, and Gabriel M. Rebeiz "Low-cost receivers for millimeter-wave imaging array applications", Proc. SPIE 2448, Smart Structures and Materials 1995: Smart Electronics, (26 May 1995); https://doi.org/10.1117/12.210473

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