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The power amplifier (PA) is a vital component in a WLAN transmitter circuit as its performance affects wireless coverage area, data rate capacity and circuit battery life. Learn about comprehensive, widely used techniques for PA testing in this application note.
This paper highlights implications LTE and 802.11ac have on power amplifier (PA) designs, explains the use of DPD and ET to manage linearity and efficiency and discusses measurements for evaluating and optimizing PAs using these technologies.
Digital pre-distortion (DPD) tool in zScript
802.11ax presents additional challenges for power amplifier design, characterization and test. This application note covers new physical layer test requirements including increased linearity for 1024QAM, in-band emission testing and more.
Among all power amplifier (PA) characteristics, EVM is usually most critical for Wi-Fi applications. This application note details several kinds of impairments that affect PA EVM testing.
New Wi-Fi generations have increased the modulation constellation size with 1024-QAM and 4096-QAM, placing an even higher requirement into transmitter accuracy. In this blog, we will look at what EVM measures in Wi-Fi, how it is measured.
zSeries PA/FEM is a complete, fully-integrated hardware and software test solution ideal for characterizing and testing the latest generation of power amplifier/front-end module components used in mobile devices.
Envelope Tracking (ET) techniques, which are widely used in the Power Amplifier industry, aim to optimize EVM and PAE performance. zScript Test Sequence software provides comprehensive ET characterization test flows.
Adaptive Digital Pre-Distortion (DPD) is a software tool within the zScript test executive for power amplifier (PA) and front-end module (FEM) characterization and testing. This document provides technical specifications.
