Joule Thief or DCDC Boost...

375

08:32:52

This is a very simple project, it is based on a relaxation oscillator where the resonance is based on the recovery of the LC circuit (transformer or thyroid with midpoint) and the circuit High speed rectifier and filter. you can vary the transformation ratio and the capacity value to observe the signal amplitude levels. 

published 6 years ago

BillyT

6 years ago

Yes, it doesn't take too much adjustment to get a fairly steady state, http://everycircuit.com/circuit/5877607309246464

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