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A Ku-band Compact MMIC PA based on Stacked GaAs pHEMT cells

Piacibello, Anna, Pirola, Marco, Camarchia, Vittorio, Ramella, Chiara and Quaglia, Roberto 2018. A Ku-band Compact MMIC PA based on Stacked GaAs pHEMT cells. Presented at: International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMIC), Brive La Gaillarde, France, 5-6 Jul 2018. 2018 International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMIC). IEEE, 10.1109/INMMIC.2018.8429989

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Abstract

In this paper, a stacked MMIC power amplifier in GaAs pHEMT technology is designed for Ku-band operation. The amplifier exploits series power combination among three transistor stages, thus benefiting from the reduced output impedance transformation ratio compared to an equivalent parallel structure. An extremely compact stacked layout is obtained, which influences the choice of custom-designed transistors interconnections and interstage matching networks. The simulated performance of the PA, whose experimental characterization is ongoing, exhibits saturated output power of 32.9 dBm and corresponding gain and drain efficiency of 12.9 dB and 40 %, respectively, at 15 GHz.

Item Type: Conference or Workshop Item (Paper)
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: IEEE
ISBN: 978-1-5386-5508-5
Last Modified: 19 Oct 2019 03:16
URI: http://orca-mwe.cf.ac.uk/id/eprint/120781

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