Analog filters, part 2: let it ring - lcamtuf’s thing
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
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
Back to the basics: defining key concepts in electronics without breaking out a plumbing wrench.| lcamtuf.substack.com
A real explanation of discrete Fourier transform (DFT, FFT), discrete cosine transform (DCT), and their inverses.| lcamtuf.substack.com
A brief introduction to antennas, superheterodyne receivers, and signal modulation schemes.| lcamtuf.substack.com
My Substack articles| lcamtuf.coredump.cx
