a very simple op amp circuit with some detail omitted If you open this circuit in the Falstad simulator, you’ll see two sliders to the right where you can tweak the input voltage. If you make ...

Brimming with up-to-date application circuits, valuable design tips, and in-depth coverage of the latest techniques, this practical reference explores methods to simplify op amp circuit designs, and ...

The major limitation of an ordinary diode, which leads to the principle of using diodes with op-amps, is that an ordinary diode cannot rectify voltages below V r, the cut-in voltage of the diode.

The humble op-amp can be configured into so many circuit building blocks that it has become an indispensable tool for designers. It’s tempting to treat an op-amp as a triangular black box in a ...

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 ...

Dyer's article on simulation of the 12AX7 and the K2-W vacuum-tube op amp. 1. The model for the K2 ... the two neon lamps used in the actual circuit as voltage regulators. Positive feedback ...