It’s not like me to start with something simple like a three transistor distortion box — the world does not need another one of those. So I’ve been reading books like Don Lancaster’s Active Filter Cookbook and Texas Instruments Op Amps for Everyone (both apparently kinda classics in the field), though I suspect that latter title is a bit enthusiastic. I’m learning a lot, which is fun.

I haven’t owned a breadboard since the 1980s. I’ve been collecting ideas, parts, schematics and data sheets for integrated circuits a few months ago I didn’t know even existed. Analog Multipliers and Operational Transconductance Amplifiers are strange and interesting beasts. More… The Hard Yards ▸