2009 IEEE Bipolar/BiCMOS Circuits and Technology Meeting 2009
DOI: 10.1109/bipol.2009.5314127
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Optimization of Gallium nitride high power technology for commercial and military applications

Abstract: Next generation commercial and military systems require high power amplifiers (HPAs) with superior performance such as higher efficiency, improved thermal performance, wider bandwidth and higher output power. Using an optimized 0.5um, 48V GaN-on-SiC process, a family of GaN power amplifiers are developed for applications in the frequency range of 30MHz to 4GHz and output power ranging from 8W to 500W.Such devices clearly demonstrate superior power-bandwidth product of GaN for military applications such as rada… Show more

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Cited by 5 publications
(2 citation statements)
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“…However, a reduction in RF loss is essential because capacitance against ground is larger than the HR Si substrate at the low temperature side. This RF loss is the substrate loss through expressed by (2). The method to reduce RC loss is to make substrate resistance small and to reduce , as indicated in Fig.…”
Section: Device Structure Optimization Of Gan On Lr Simentioning
confidence: 99%
“…However, a reduction in RF loss is essential because capacitance against ground is larger than the HR Si substrate at the low temperature side. This RF loss is the substrate loss through expressed by (2). The method to reduce RC loss is to make substrate resistance small and to reduce , as indicated in Fig.…”
Section: Device Structure Optimization Of Gan On Lr Simentioning
confidence: 99%
“…The developments of the CATV power amplifier module using the GaN field-effect transistors (FETs) of high-voltage operation have been carried out for high-power performance [1], [2]. In the previous report of the CATV amplifier using GaN FETs, the distortion characteristics improvement was performed by the linearization of the gate-to-drain capacitance (C gd ) due to the AlN mole fraction of the epitaxial layer in the GaN FETs [1].…”
Section: Introductionmentioning
confidence: 99%