@gdisimone,
To clarify:
From version 6.2 EELlib shows a small selection of all the available **simulatable** components when working in the simulation (Sim) mode:

In Standard (Std) mode, the EELib shows a small selection of **all** the components available from the library:

More simulatable components can be found as described in the Simulation Tutorial.

* Please note that, at present, components in the **Spice gates** section will not work in simulation: they are currently under reconstruction for LTspice compatibility.
Please report any other components that do not appear to work in simulation directly to my username @easyeda.com
Thanks.
There are several pre-configured time domain sources in the Sim EELib as well as a "Signal Generator":

The [Simulation Tutorial](https://docs.easyeda.com/en/Simulation/Headings/index.html) describes how to configure AC Voltage and Current Sources for AC Analysis in the Frequency Domain.
**Please note however that references in this tutorial to ngspice should be interpreted as references to the Help files in a locally installed copy of LTspiceXVII or here: **
[**http://ltwiki\.org/index\.php?title=LTspice\_Annotated\_and\_Expanded\_Help\***](http://ltwiki.org/index.php?title=LTspice_Annotated_and_Expanded_Help*)
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