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Proceedings Paper

Multifunction MMIC for millimeter wave mobile communications
Author(s): Jorge Paulo Alves Torres; Maria Joao Rosario; Joao Jose Costa Freire
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Paper Abstract

In this paper the design of a multifunction MMIC for millimeter wave mobile communication systems is presented. The MMIC is a single balanced mixer that can work as both up and down converter between C and V band and as a BPSK modulator. A step by step design technique is described, based on harmonic balance simulations. The mixer devices are Schottky diodes, and all the components are integrated in a MMIC chip using GaAs MESFET technology. The mixers were optimized to have a similar performance as both up or down converter, between C and V bands and a bandwidth greater than 4 GHz. The experiments show, for both applications a minimum conversion loss in the range of 6 to 8 dB and a -3dB bandwidth larger than 7 GHz.

Paper Details

Date Published: 18 December 1996
PDF: 10 pages
Proc. SPIE 2842, Millimeter and Submillimeter Waves and Applications III, (18 December 1996); doi: 10.1117/12.262766
Show Author Affiliations
Jorge Paulo Alves Torres, Instituto Superior Tecnico and Escola Nautica Infante Dom Henrique (Portugal)
Maria Joao Rosario, Instituto Superior Tecnico (Portugal)
Joao Jose Costa Freire, Instituto Superior Tecnico (Portugal)

Published in SPIE Proceedings Vol. 2842:
Millimeter and Submillimeter Waves and Applications III
Mohammed N. Afsar, Editor(s)

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