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Spice Based Circuit Analysis Using Web Pages

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2000 Annual Conference


St. Louis, Missouri

Publication Date

June 18, 2000

Start Date

June 18, 2000

End Date

June 21, 2000



Page Count


Page Numbers

5.552.1 - 5.552.10

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Paper Authors

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John Regnier

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Bogdan M. Wilamowski

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Aleksander Malinowski

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

Session 2520

SPICE based Circuit Analysis using Web Pages Bogdan Wilamowski, Aleksander Malinowski, John Regnier University of Wyoming / Bradley University / Micron Technology


An application called the Spice Internet Package (SIP) has been developed for use through the Internet and intranet networks. The SIP provides an interface that is operating independent, which allows Spice simulation and analysis to be performed from any computer that has a web browser on the Internet or intranet. One can access the Spice Internet Package and try some examples with the password “sip” at the following URL: for UNIX server and or for Windows NT server. The presentation shows how to use the new opportunity created by Internet technologies for the efficient and platform independent usage of CAD tools. The presented SIP is just an example, but it shows the way in which the technology can be implemented. They also illustrate how significant the impact is of a particular data flow on the programming tools and approaches taken to implement the Internet access to server-installed software. The authors are convinced that such an approach is suitable for pay-per-use access and it may revolutionize the general approach toward the development of CAD tools.

I. Introduction

Several versions of the SIPCE program are frequently used in circuit and in electronic classes. The most popular was the PSPICE version by MicroSim, which in the student version has its limitation to 10 transistor circuits. Recently, the SPICE program associated with Electronic Workbench is gaining attention. Although much larger circuits can be analyzed with electronic Workbench the program is designed to be used at university laboratories, and it is not affordable for students. Also relatively simple transistor models make this program not very useful for the assignments that deal with integrated circuits.

With the increase of Internet bandwidth the World Wide Web (WWW) could revolutionize design processes by ushering in an area of pay-per-use tools. With this approach very sophisticated design tools will become accessible for engineers in large and small businesses and for educational and research processes in academia. Currently, such sophisticated design systems are available only for specialized companies with large financial resources. The pay-per-use approach will have tremendous impact on engineering design since the number of engineers and researchers which have an access to sophisticated design tools will increase by a factor of at least of 100. This rapid increase in the number of people involved in sophisticated design processes will significantly accelerate technological development. The common problem being faced by many electronic engineers in industry is that their design tools often operate on several different platforms such as UNIX, DOS, Windows 95, Windows

Regnier, J., & Wilamowski, B. M., & Malinowski, A. (2000, June), Spice Based Circuit Analysis Using Web Pages Paper presented at 2000 Annual Conference, St. Louis, Missouri.

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