This simple "Joule Thief" self-oscillating LED circuit will produce light even when the battery voltage drops to 0.4 V.

Mike Donnelly

This is a companion example to the design: "TDFS Impedance Stability of Transmission Line Fed LED Driver - Switching".

Mike Donnelly

This example demonstrates the use of the TDFS method (Time Domain Frequency Sweep) to measure impedance stability ratio.

Mike Donnelly

This LED Dimmer Circuit uses a 555 Timer to control the PWM duty cycle of the current drive.

Mike Donnelly

This example demonstrates the use of the TDFS method (Time Domain Frequency Sweep) to measure impedance stability ratio.

077zz

This LED lighting example demonstrates the value of simulating both the electrical and thermal* aspects of power dissipating circuits together, simultaneously.

bedrosian1134

This simple "Joule Thief" self-oscillating LED circuit will produce light even when the battery voltage drops to 0.4 V.

mikeydalby