On the LTSpice toolbar, there is an icon that reads .op. You can also press S or select Spice Directive from the Edit menu. Use that to enter the following: The green plot is the power ...

You won’t find a transformer in the components section of LTSpice. Instead ... use the Spice Directive icon (the icon with .op on it) to insert a statement like this: There are a few things ...

After a brief review of the history of the K2-W vacuum-tube op amp, an LTspice model is used to create its schematic in preparation for SPICE simulation. Recognizing the nonlinear behavior of the ...