Digital-Based Solution for the Generation of FM/PM Test Stimuli - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier
Journal Articles IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems Year : 2024

Digital-Based Solution for the Generation of FM/PM Test Stimuli

Abstract

This paper explores a low-cost solution for generating modulated test stimuli using a standard digital Automated Test Equipment (ATE). The technique relies on the generation of a modulated binary signal with appropriate encoding using a digital tester channel and the exploitation of one of its harmonic replicas. A theoretical analysis is presented in this paper, considering a simple modulation scheme, i.e. single-tone frequency or phase modulation. The relationship between the baseband spectrum and the harmonic replicas is established and an analytical expression of the modulated digital signal is derived, taking into account effects associated with discrete-time generation. A corruption estimator is then defined, enabling nondestructive sampling conditions to be identified. Experimental results are provided demonstrating the ability of the proposed solution to generate a modulated signal with the desired characteristics at a frequency higher than that of the test equipment.
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Dates and versions

lirmm-04689470 , version 1 (05-09-2024)

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Cite

Kamilia Tahraoui, Thibault Vayssade, François Lefèvre, Laurent Latorre, Florence Azaïs. Digital-Based Solution for the Generation of FM/PM Test Stimuli. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, inPress, pp.1-1. ⟨10.1109/TCAD.2024.3434356⟩. ⟨lirmm-04689470⟩
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