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Prof. Heng CH has created a very comprehensive guide on how to setup LTSpice and how to run simulation.
Please download it from LumiNUS Canvas or here:
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Note: if you already selected Gear but your simulation stopped half way halfway and never move moved forward, consider redo redoing the recoding of signals.
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Use Net labels to tidy up your schematic. In the below example, all port labelled ports labeled -Vcc is supplied with -5V from the power source at the bottom, similarly, all ports labelled labeled Vcc is supplied with 5V.
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Always remember to include the OpAmp library files by write writing them into the SPICE directive.
An example of a schematic used OpAmp LM6172, LM7171B, and AD8056.
The file name following ".inc" should be exactly the same as the library file downloaded from LumiNUSCanvas. And make sure they are under the same folder as your schematic.
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