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NI AWR application Note explores Wideband PA design

 Load-Pull Technology example uses Cree GaN HEMT in 2000MHz  PA

NI (formerly AWR) has announced a new application note titled "˜Using NI AWR Design Environment Load-Pull Simulation for the Designer of Wideband High-Efficiency PAs'.

The note explores the design of power amplifiers using load-pull technology within NI AWR Design Environment software, specifically that of Microwave Office. 

Using a Cree CGH40010F GaN HEMT in a Class F PA at 2000MHz as the example circuit, the application note details how power-added efficiency is maximised by optimising source and load pull at the fundamental frequency, plus second and third harmonics. 

Additionally, the ability of the load-pull technique to inspect transistor voltage and current waveforms helps users gain confidence in their high performance designs, says the company. The note is online at awrcorp.com/solutions/technical-papers.

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