While this op amp may actually have some utility, it is intended mainly as an educational exercise. I guarantee that if you build and experiment with this circuit, you will learn and appreciate what ...

I'd like to monitor the amount of power (in watts) going into my speakers. I'm not concerned about over driving them or anything, I'm just curious how much power I'm actually using. I connected a volt ...

Ever heard of a power JFET? I hadn't (at least by that name) until I ran across The Power JFET Amplifier, a simple low-power DIY power amp project based around a single power JFET device. As it turns ...