Audio THD with QSPICE: An Interview with Mike Engelhardt

The creator of LTspice has designed a new and much improved simulation tool suite called QSPICE (the Q is for Qorvo, the company that supported the new effort). Mike Engelhardt, physicist, analog engineer, and entrepreneur talked to Tim McCune, former president of Linear Systems, to discuss how QSPICE can help solve many issues that audio designers simulating their circuits might confront.

audioXpress March 2025, focused on Test and Measurement and audio electronics, explains how to test Power Amplifiers, and how to measure HDMI Audio. Explore the possibilities of George Ntanavaras' SL-100 Sound Level Adjuster and Tom Perazella's Reinforced Speaker Protection solution. Read the interview with Mike Engelhardt, explaining everything about audio THD with QPSICE circuit simulation. Brian Lowe concludes its article on Op-Amp for Phono Preamps, and much more.