#104: Circuit tutorial: sawtooth generator w/ current sources, diode switches, hysteresis comparator
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#190: Back to Basics: Transistor Current Sources and Mirrors
15:07
#231: Circuit Fun: Stairstep generator using 555 and op amps
15:41
DIY SYNTH Quick Tip: Sawtooth-to-Triangle Converter
54:28
Transistor Curve Tracer Basics & Construction
13:39
#75: Basics of Opamp circuits - a tutorial on how to understand most opamp circuits
13:16
5 Ways To Generate A Sine Wave (Analog)
30:13
How a 555 Works as a Timer.
21:45