Research at the Center for Low Power Electronics
at the University of Arizona and Arizona State University
(EEC-9523338) has produced novel techniques for fabricating
electromechanical devices on silicon for use in communication
devices. The goal of this work is to fabricate reconfigurable
microwave circuits using Micro Electro-Mechanical (MEMS)
switches that can be monolithically integrated with the
rest of the circuitry (including digital circuits and
active devices). Such a system can lead to dynamically
reconfigurable monolithic transceivers that reside on
a single chip, which is capable of sensing, thinking,
acting and communicating. It is capable of being tuned
electronically over a wide frequency range and programmed
for such a purpose. In other words, the digital part
of a chip will be able to control the RF front end and
alter its response. This capability will revolutionize
the next generation of "smart chips" that will
adapt their "behavior" according to information
they receive from other chips or a control center. Reconfigurable
low-cost wireless and satellite communication networks,
seekers for smart weapons, and automobile and plane radar
are a few of the most notable applications. This is a
novel approach for reconfigurable microwave circuits.
Issues such as interactions of the switches with the
microwave circuits, low-voltage low-stress switch designs
and minimization of losses with maximum operational bandwidth
are addressed. |