Low-cost functional test of a 2.4 GHz OQPSK transmitter using standard digital ATE - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier Access content directly
Conference Papers Year : 2018

Low-cost functional test of a 2.4 GHz OQPSK transmitter using standard digital ATE

Abstract

This paper presents a low-cost solution to implement a functional test for RF ZigBee transmitter. More precisely, the objective is to enable symbol error detection for a 2.4GHz OQPSK-modulated signal with half sine pulse shaping on a digital ATE. The test is based on 1-bit under-sampled acquisition of the RF signal with a standard digital tester channel. A dedicated post-processing algorithm is then applied, which (i) extracts the phase information from the captured binary sequence, (ii) reconstructs the RF modulated signal and (iii) performs the demodulation. The different steps of the post-processing algorithm are detailed in this paper. Simulation and experimental results are presented, demonstrating the ability of the technique to correctly retrieve the emitted symbol sequence using only the binary data captured by the digital tester channel.
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Dates and versions

lirmm-01997910 , version 1 (29-01-2019)

Identifiers

Cite

Thibault Vayssade, Florence Azaïs, Laurent Latorre, Francois Lefèvre. Low-cost functional test of a 2.4 GHz OQPSK transmitter using standard digital ATE. IOLTS: International On-Line Testing Symposium, Jul 2018, Platja d'Aro, Spain. pp.17-22, ⟨10.1109/IOLTS.2018.8474229⟩. ⟨lirmm-01997910⟩
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