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Session 2248

A Circuits II Laboratory Accessible by Internet Mitty C. Plummer, Charles Bittle, and Victor Karani University of North Texas

Abstract A remotely accessible laboratory for the Circuits II course has been developed to permit students to access the laboratory from their home computers. The equipment is based on a Cytec switch matrix and a dsp SigLab 20-22. The laboratory exercises familiarize students with the operations of signal generators, oscilloscopes, network analyzers, spectrum analyzers and remotely operated instruments. The advantages of the laboratory are that the cost is less than the cost of one moderately well equipped station in a typical laboratory. Also, the lab can be accessed at any time. The laboratory, as currently configured, supports 10 different exercises, including characterization of RC and LRC circuits. A limitation is that the system as currently configured will accommodate only one student at a time but we believe can be expanded to accommodate four at a time.

I. Introduction The authors believe that development of distance learning courses for engineering technology has been impeded by the necessity for laboratories. This paper describes one development for remote electronics laboratories that is both economical and provides for additional learning experiences for the students. To develop this laboratory, ten exercises were taken from the popular text and laboratory manual by Robert L. Boylestad and Gabriel Kousouru1. The exercises taken from the manual were related to circuit characterization of alternating current circuits that involved resistive, capacitive, and or inductive components. The instrumentation in these experiments was limited to sine wave signal generators and oscilloscopes.

II. The Equipment For The Remote Laboratory The remote laboratory requires only three major components. The first is a personal computer capable of web connection and able to run Windows 98 or a later version. The next component is a switch matrix; the one used in this project is a Cytec model PX512-1. The critical component that makes the laboratory work is a model 20-22 SigLab from Spectral Dynamics. Minor components include the resistors and capacitors and BNC to alligator clip wires. For this project, components for all experiments were set up simultaneously on a small breadboard.

Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition Copyright  2002, American Society for Engineering Education

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Karani, V., & Plummer, M. (2002, June), A Circuits Ii Laboratory Accessible By Internet Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--10159