Reference: https://leachlegacy.ece.gatech.edu/ec... Support this channel via a special purpose donation to the Georgia Tech Foundation (GTF210000920), earmarked for my work: • [OLD] Support This Channel via a Special P... 0:00 -- Introduction 0:26 -- Review 2:05 -- Small-signal concept 3:08 -- Notation 4:03 -- Derivative to compute slope 6:49 -- Dynamic resistance 9:47 -- Series model 12:14 -- "Typical voltage drops"