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Measurement/Evaluation and Remote Testing of Integrated Circuit Design Experiments Using LabView

Measurement/Evaluation and Remote Testing of Integrated Circuit Design Experiments Using LabView. U. J. Strasilla

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Measurement/Evaluation and Remote Testing of Integrated Circuit Design Experiments Using LabView

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  1. Measurement/Evaluation and Remote Testing of Integrated Circuit Design Experiments Using LabView U. J. Strasilla Department of Electrical Engineering, San Jose State University, San Jose, California

  2. Do you know the way to San Jose? San Jose

  3. San Jose State University

  4. SJSU College of Engineering

  5. Abstract • Our experience in virtual instrumentation in our Integrated Circuits Experiments Lab • Our effort to make this lab and its experiments accessible to the outside world via the internet using LabView protocols

  6. Experiment Procedure

  7. IC Design Lab Experiments • RC Single Time Constant Networks • Current Mirror • Differential Amplifier • Transconductance Amplifier • Feedback Amplifier • Op Amp • Individual Project

  8. FEEDBACK AMPLIFIER DESIGN SPECS

  9. Transconductance Amplifier LM3080

  10. Topology of feedback amplifier using LM3080 Transconductance Amplifier

  11. Feedback amplifier circuit reconfigured to allow feedback analysis

  12. Feedback equations for idealizedFeedback Network Af = A / (1 + A β) (1) Rof = Ro / (1+A β) (2) Rif = Rif (1 + A β) (3)

  13. http://www.engr.sjsu.edu/ee124lab

  14. Venn Diagram for Gain, Input Impedance and Output Impedance as a function of R1 and R2

  15. Idealized Feedback Network

  16. Measurememt of Af Af = Vo/Vi

  17. Measurememt of Rif Rif = Rins/(Vo(1)/Vo(2)-1)

  18. Measurement of Rof Rof = Rl’Rl(g-1)/(Rl-gRl’) where g=Vo(1)/Vo(2) and Rl’=Rl//Rp

  19. EE124 Lab at SJSULabView Workshop in the IC Design Lab http://e258cam.engr.sjsu.edu

  20. Traditional Real Lab Test Station

  21. Traditional Real Lab Test Station Equipment

  22. The Remote Measurement Test Station and Server

  23. LabView Test Setup

  24. http://e258-10.engr.sjsu.edu/Feedback.html

  25. RC Network for Time Constant and Cutoff Frequency Measurement http://e258-03.engr.sjsu.edu/Relay.html

  26. http://www.engr.sjsu.edu/ee124lab

  27. Summary Demo of Design Experiment using: • Traditional Design Methods • Hand Design • Simulation • Real Lab Test LabView Aids • Tutorials • Quizzes • Design Check • Production Test • Remote Testing

  28. Next Step • Resolve LabView Problems with transportability • Increase Number of Remote Test Stations • One test station with matrix card for remote design • Remote Lab Workshops • Collaboration with other universities • Obtain funding (NSF Grants?)

  29. Remote Test of Feedback Amplifier http://e258-10.engr.sjsu.edu/FeedbackFront.html Demo of Remote Relay Switch http://e258-03.engr.sjsu.edu/Relay.html

  30. EE124 Lab Website http://www.engr.sjsu.edu/ee124lab

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