Power Measurement and Spectral Test of ZigBee Transmitters from 1-bit Under-sampled Acquisition - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier
Communication Dans Un Congrès Année : 2019

Power Measurement and Spectral Test of ZigBee Transmitters from 1-bit Under-sampled Acquisition

Résumé

This paper presents a low-cost solution to perform power and spectral measurements on RF signals. More specifically, we target RF modulated signals such as 2.4 GHz signals delivered by ZigBee transmitters. The solution is based on 1-bit under-sampled acquisition of the RF signal, acquisition that can be realized using a standard digital ATE channel. The captured binary sequence is then fed to a dedicated post-processing algorithm, which (i) extracts amplitude and phase variations and (ii) reconstructs the RF signal. From the reconstructed signal, it is possible to perform power and spectral measurements. The different steps of the post-processing algorithm are detailed in the paper. The validity of the technique is demonstrated through both simulations and hardware measurements.
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Dates et versions

lirmm-02274367 , version 1 (29-08-2019)

Identifiants

Citer

Thibault Vayssade, Florence Azaïs, Laurent Latorre, François Lefevre. Power Measurement and Spectral Test of ZigBee Transmitters from 1-bit Under-sampled Acquisition. ETS 2019 - 24th IEEE European Test Symposium, May 2019, Baden-Baden, Germany. ⟨10.1109/ETS.2019.8791540⟩. ⟨lirmm-02274367⟩
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