The feeling when what sounded like a simple enough activity (learn how to select the right components for emitter-follower based #Colpitts crystal oscillators) leads you on a multi-day "scavenger hunt" involving far too many useless tutorials, plenty of presentations that gloss over important details, a few sources that expand on the often mentioned but rarely explained Barkhausen criterion, and currently consists of reading an IEEE workshop paper questioning BC's guarantees. #electronics