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A Compact 40 GHz MMIC Power Amplifier with Improved Power Stage Design
Yasushi SHIZUKI Ken ONODERA Fumio SASAKI Kazuhiro ARAI Hiroyuki YOSHINAGA Juichi OZAKI
IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
MMIC, power amplifier, HEMT, millimeter wave, device modeling,
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A compact MMIC power amplifier which delivers P1dB of 25.8 dBm (380 mW) at 40 GHz has been developed. To make the chip width narrower, only one unit block using two parallel HEMTs is applied for a power stage. For achieving broadband interstage matching when using wide gate-width unit devices in the power stage, a new configuration of a unit block which contains a shunt capacitance is proposed.