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<p>
This is a <a href="http://en.wikipedia.org/wiki/CMOS">CMOS</a>
<A href="http://en.wikipedia.org/wiki/Inverter_%28logic_gate%29">inverter</a>,
a logic gate which converts a high input to low and low to high.
Click on the input at left to change its state. When the input is
high, the n-<a href="http://en.wikipedia.org/wiki/MOSFET">MOSFET</a> on the bottom switches on, pulling the output
to ground. The p-MOSFET on top switches off. When the input is low, the
gate-source voltage on the n-MOSFET is below its threshold, so it
switches off, and the p-MOSFET switches on to pull the output high.
<p>
Next: <a href="e-cmosinvertercap.html">CMOS Inverter (w/capacitance)</a><p>
Previous: <a href="e-mosfetamp.html">Common-Source Amplifier</a><p>
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