Notes concerning “Oscillators”

• Trying to design a simple switchmode power supply using Schmitt-trigger relaxation oscillators 02021-01-26 (updated 02021-01-27) (32 minutes)
• Failing to stabilize the amplitude of an opamp phase-delay oscillator 02021-03-23 (updated 02021-03-24) (10 minutes)
• Three phase logic 02021-04-30 (updated 02021-07-27) (9 minutes)