Abstract
For sensor and communication system applications, monolithic microwave integrated circuits (MMICs) feature performance, functionality, reliability, and competitive price. In this paper, the potential of PHEMT ICs for communication and sensor applications up to 100 GHz is discussed. Specifically, I will address the application of coplanar waveguide technology for rf ICs, millimeter-wave multifunctional ICs and power amplifiers, as well as mixed-signal ICs and OEICs. A 77-GHz transceiver MMIC designed for automotive collision avoidance radar is presented as an example of a very compact, multifunctional mm-wave chip. A chip set for active and passive imaging at 94 GHz includes low noise and high gain amplifiers, low phase noise oscillators, and phase shifters. An FMCW module is conceived for material characterization. A family of coplanar power amplifier MMICs for wireless communication in the range of 20 to 60 GHz with output powers up to 1 W is presented. Finally, integrated circuits for high-speed data transmission at 40 Gbit/s will be discussed.
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