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Joule Thief Transformer Physical Design For LED Lighting

sv-design--teaser

Joule Thief Transformer Physical Design For LED Lighting

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

Mike Donnelly
Joule Thief LED oscilator transformer saturation
>

Transient Stability Testing of Transmission Line Fed LED Driver

sv-design--teaser

Transient Stability Testing of Transmission Line Fed LED Driver

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

Mike Donnelly
Buck Converter Constant Power Loads Switching Converter LED transmission line Step-Down TDFS Impedance Stability
>

TDFS Impedance Stability of Transmission Line Fed LED Driver - Switching

sv-design--teaser

TDFS Impedance Stability of Transmission Line Fed LED Driver - Switching

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

Mike Donnelly
Buck Converter Constant Power Loads Switching Converter LED transmission line Step-Down TDFS Impedance Stability
>

LED Dimmer Circuit using 555 Timer

sv-design--teaser

LED Dimmer Circuit using 555 Timer

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

Mike Donnelly
555 Timer LED potentiometer
>

Copy of Joule Thief Transformer Physical Design For LED Lighting - on Thu, 02/25/2021 - 10:30

sv-design--teaser

Copy of Joule Thief Transformer Physical Design For LED Lighting - on Thu, 02/25/2021 - 10:30

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

mikeydalby
Joule Thief LED oscilator transformer saturation
>

Copy of simple circuit with LED and transistor - on Thu, 02/25/2021 - 10:15

sv-design--teaser

Copy of simple circuit with LED and transistor - on Thu, 02/25/2021 - 10:15

Transistor LED
>

Copy of simple circuit with LED and transistor - on Thu, 02/25/2021 - 10:12

sv-design--teaser

Copy of simple circuit with LED and transistor - on Thu, 02/25/2021 - 10:12

Transistor LED
>

Copy of LED Dimmer Circuit using 555 Timer - on Mon, 02/15/2021 - 10:48

sv-design--teaser

Copy of LED Dimmer Circuit using 555 Timer - on Mon, 02/15/2021 - 10:48

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

Anonymous
555 Timer LED potentiometer
>

Copy of LED Dimmer Circuit using 555 Timer - on Sat, 02/13/2021 - 21:37

sv-design--teaser

Copy of LED Dimmer Circuit using 555 Timer - on Sat, 02/13/2021 - 21:37

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

Anonymous
555 Timer LED potentiometer
>

Copy of LED Dimmer Circuit using 555 Timer - on Sat, 02/13/2021 - 21:37

sv-design--teaser

Copy of LED Dimmer Circuit using 555 Timer - on Sat, 02/13/2021 - 21:37

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

Anonymous
555 Timer LED potentiometer
>

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