Millimeter wave power amplifier with unconditionally stable devices

Joao Caldinhas Vaz; Fernando Fortes; Joao Jose Costa Freire

doi:10.1117/12.262726

18 December 1996 Millimeter wave power amplifier with unconditionally stable devices

Joao Caldinhas Vaz, Fernando Fortes, Joao Jose Costa Freire

Proceedings Volume 2842, Millimeter and Submillimeter Waves and Applications III; (1996) https://doi.org/10.1117/12.262726
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

For portable communication terminals, power amplifiers on monolithic technology are needed. In this paper the design and test of a 60 GHz monolithic power amplifier is presented. The amplifier uses PMHFET monolithic technology with 0.15 micrometers mushroom gate length and microstrip structures. The chip size is 3mm X 1.5mm. For the amplifier design, a PMHFET nonlinear model based on continuous DC and AC measurements up to V-band was obtained. Models for some of the microstrip discontinuities were obtained from EM simulations. An output power greater than 100mW at 62GHz with more than 10dB gain was achieved. A power added efficiency of 16 percent was measured with V_DS equals 2.5V.

Citation Download Citation

Joao Caldinhas Vaz, Fernando Fortes, and Joao Jose Costa Freire "Millimeter wave power amplifier with unconditionally stable devices", Proc. SPIE 2842, Millimeter and Submillimeter Waves and Applications III, (18 December 1996); https://doi.org/10.1117/12.262726

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