If we had to pick one part to crown as the universal component in the world of analogue electronics, it would have to be the operational amplifier. The humble op-amp can be configured into so many ...

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 ...

[Tim] wanted to help out a ECE student struggling with some Op-Amp problems. He put together a video which does a good job of explaining what an Op-Amp does, then tackles each of the questions one ...

25, 2024. 3. Stephen A. Dyer, “Nonlinear SPICE Models of Vacuum-Tube Triodes” Electronic Design, Dec. 2, 2024. 4. Stephen A. Dyer, “The GAP/R K2-W Vacuum-Tube Op Amp in SPICE,” Electronic ...