A closer look at op-amp feedback loops and the stability criteria for circuits that use them.| lcamtuf.substack.com
A continuation of the gentle intro to analog signal filtering. In today's episode: transfer functions, Q factors, and the Sallen-Key topology.| lcamtuf.substack.com
Modeling impedance in two dimensions, RC / RL / LC circuits, and why an LCR meter is not quite what it seems.| lcamtuf.substack.com
Linear components are pretty nonlinear -- and parasitics don't tell the whole story.| lcamtuf.substack.com
A quick look at the physics of conductors, insulators, and electric charges.| lcamtuf.substack.com