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Digital pre-distortion, verification with SystemVue

Posted: 11 Jan 2011     Print Version  Bookmark and Share

Keywords:Power amplifier  digital pre-distortion  SystemVue 

Power amplifier linearization using digital pre-distortion (DPD) techniques is critical for designers transitioning 3G systems to 3.9G and 4G. This application note introduces the concept behind DPD, as well as how to use the Agilent W1716 SystemVue DPD builder to do hardware verification. This software module implements memory polynomial algorithms to correct wireless components that have analog memory effects. Both simulation-based and test equipment-based extraction and verification are possible. For the purposes of this application note, SystemVue will be used with various Agilent test equipment, including the ESG/PSG/MXG family of signal sources and PSA/MXA/PXA family of analyzers.

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