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opampreal.html 1.25 KB
hgcserver authored 2020-03-26 16:31 . Update
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The ideal op-amp element uses an ideal approximation to op-amp behavior.  It has infinite <a href="https://en.wikipedia.org/wiki/Slew_rate">slew rate</a>
and output current.
<p>
The real op-amp element uses a subcircuit to emulate a real op-amp implementation with finite slew rate and output current.  Presently,
the two implementation options are LM741 and LM324.
<p>
You can also modify the slew rate or output current, which will modify the circuit to change these values from the default.
<p>
These subcircuits are complicated, so you may run problems with convergence, especially if you increase the slew rate.  Try decreasing
the time step size if this happens.
<p>
The LM324 can act very glitchy as well if the slew rate is increased.  Decreasing the time step size proportionately should fix this.
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