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A 1-watt X-Ku band HBT MMIC amplifier with 50% peak power-added efficiency

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3 Author(s)
Ali, F. ; Westinghouse Electric Corp., Baltimore, MD, USA ; Salib, M. ; Gupta, A.

A broadband, high-efficiency MMIC power amplifier has been developed using AlGaAs-GaAs heterojunction bipolar transistors (HBTs). At 7-V collector bias, the fully matched monolithic amplifier produced 31-dBm CW peak output power with 9.2-dB peak gain and 50% peak power-added efficiency in the 8-15-GHz band. Several amplifiers from five different wafers have ben successfully tested.<>

Published in:

Microwave and Guided Wave Letters, IEEE  (Volume:3 ,  Issue: 8 )