Relaxation Oscillator as a perfect example of regenerative feedback

Relaxation Oscillator circuit is a perfect example of regenerative feedbac
k that is special case of positive feedback. Simple and efficient, this cir
cuit is practical for students labs and still applicable in the blinking tu
rn signal on motor vehicles, use in stroboscopes and as the time base in ea
rly oscilloscopes and television receivers.
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Patrick Chung
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