Illustrating the simplest transistor model regulating the basetoemitter voltage, and building current sources based on that model.

Schematics: https://github.com/kennykb/kevinscav...

TIMELINE:

00:11 Intro
00:35 Ignoring transistor models (for now)
02:27 The simplest transistor model
03:24 A simple current source
04:42 Saturation behaviour
06:18 An LED dimmer
07:17 Cutoff behaviour
08:11 Testing the LED dimmer
09:02 Recap three operating regions: active, saturation, cutoff