Ka-Band 12W Asymmetric Doherty PA GaN MMIC

被引：0
|
作者：
Collins, Gayle [1 ]
机构：
[1] Obsidian Microwave LLC, Raleigh, NC 27615 USA
来源：
2023 INTERNATIONAL WORKSHOP ON INTEGRATED NONLINEAR MICROWAVE AND MILLIMETRE-WAVE CIRCUITS, INMMIC | 2023年
关键词：
power amplifier; Doherty; Ka-Band; MMIC; POWER-AMPLIFIER; EFFICIENCY;
D O I：
10.1109/INMMIC57329.2023.10321800
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we present for the first time the design of a novel multi-stage asymmetric 2:1 Doherty GaN power amplifier MMIC operating in Ka-band at 27-31 GHz, with nominally 2 W average power and 12 W peak. The asymmetry of the Doherty is achieved through the drain voltage, and the peaking and the carrier amplifiers have the same output stage peripheries. The MMIC is designed in a GaN-on-SiC process and is of small size for compact deployment in 5G and satellite communications systems.
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页数：3
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