Summing Op Amp
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The inverting input labelled "P" is a Virtual Earth. The virtual earth comes about as follows ...
Applications include ...
For the Falstad Circuit Simulation, CTRL+Click Summing Amplifier for adding two Signals
In options, check European Resistors and uncheck Conventional Current.
Alternatively view Summing_Amplifier.txt.
Save or copy the text on the web page. Import the saved or copied text into the Falstad simulator.
Here is the new HTML5 Simulator Site.
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