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<p>
This is a simple demonstration of an
<a
href="http://en.wikipedia.org/wiki/Operational_amplifier">op-amp</a>.
It has two inputs, which you can control using the sliders on the
right. The op-amp greatly amplifies the difference between the two
inputs, and outputs the result. The output voltage cannot swing
beyond the op-amp's high and low supply voltages (+15V and -15V in
this case). The wires providing the supply voltage are not shown;
instead, the high and low output voltage can be specified using the
right-mouse Edit menu.
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Next: <a href="e-opampfeedback.html">Op-Amp Feedback</a><p>
Previous: <a href="e-sinediode.html">Triangle-to-Sine Converter</a><p>
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