Oscillation Test Strategy: A Case Study

  • Authors:
  • Eduardo Romero;Gabriela Peretti;Carlos Marqués

  • Affiliations:
  • Electronics and Control Research Group, Villa María Regional School, National University of Technology, Avda. Universidad 450, Villa María (5900), Argentina. gisec@frvm.utn.edu.a ...;Electronics and Control Research Group, Villa María Regional School, National University of Technology, Avda. Universidad 450, Villa María (5900), Argentina;Electronics and Instrumentation Development Group, Mathematics, Astronomy and Physics Faculty, National University of Córdoba, Medina Allende y Haya de Torre, Córdoba (5000), Argentina. ...

  • Venue:
  • Journal of Electronic Testing: Theory and Applications
  • Year:
  • 2004

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Abstract

In this paper is proposed as a case study the test of a folded cascode operational amplifier using the Oscillation Test Strategy (OTS). This Operational Amplifier (OPA) is chosen in order to evaluate the ability of OTS to test a more complex amplifier than those previously reported. To obtain comparative results, three different types of single-OPA oscillators are employed.A catastrophic-fault injection procedure is carried out using SPICE. In all oscillators, simulation results show that the fault coverage obtained is lower than those previously obtained by many researchers for simpler amplifiers. This fact suggests that OTS might be inconvenient for applications using the OPA targeted in this work and requiring high fault coverage.