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 ...

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 Design ...