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Behind the Scenes of the SPICE Circuit Simulator - Part 1
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This is Part 1 of my lecture on SPICE and Spectre and how they work.
Part 1 introduces motivation for this lecture, a brief history of SPICE and some important concepts in circuit simulation.
In this lecture, I go behind the scenes of circuit simulation, explaining how SPICE and its family of simulators (Spectre, HSPICE, PSpice, etc.) calculate operating points and other analyses (DC Sweep, Transient, AC Analysis). I discuss modified nodal analysis, the Newton-Raphson method and issues in convergence. I further describe various parameters that can aid in convergence and can control the tradeoffs of accuracy vs. runtime in Spectre (and Cadence ADE). Finally, I go over some of the tools offered within the Cadence Spectre simulation suite and recommended usage.
Many thanks to Andrew Beckett of Cadence, who first introduced me to these concepts, Kenneth Kundert for providing the background I was missing in order to explain this stuff, and to my friend, Prof. Andrei Vladimirescu, who developed a lot of this stuff and wrote "The Spice Book".
All rights reserved:
Prof. Adam Teman
Emerging nanoscaled Integrated Circuits and Systems (EnICS) Labs
Faculty of Engineering, Bar-Ilan University
Part 1 introduces motivation for this lecture, a brief history of SPICE and some important concepts in circuit simulation.
In this lecture, I go behind the scenes of circuit simulation, explaining how SPICE and its family of simulators (Spectre, HSPICE, PSpice, etc.) calculate operating points and other analyses (DC Sweep, Transient, AC Analysis). I discuss modified nodal analysis, the Newton-Raphson method and issues in convergence. I further describe various parameters that can aid in convergence and can control the tradeoffs of accuracy vs. runtime in Spectre (and Cadence ADE). Finally, I go over some of the tools offered within the Cadence Spectre simulation suite and recommended usage.
Many thanks to Andrew Beckett of Cadence, who first introduced me to these concepts, Kenneth Kundert for providing the background I was missing in order to explain this stuff, and to my friend, Prof. Andrei Vladimirescu, who developed a lot of this stuff and wrote "The Spice Book".
All rights reserved:
Prof. Adam Teman
Emerging nanoscaled Integrated Circuits and Systems (EnICS) Labs
Faculty of Engineering, Bar-Ilan University
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