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Solid States Devices => Joule Thief => Topic started by: CommanderJerome on January 27, 2015, 05:41:37 PM

Title: When can an oscillating circuit such as the Joule Thief not be used?
Post by: CommanderJerome on January 27, 2015, 05:41:37 PM
Title explains it all  :)
Title: Re: When can an oscillating circuit such as the Joule Thief not be used?
Post by: TinselKoala on January 28, 2015, 12:15:17 AM
When you've run out of parts to build one?   :P



What is the point you are trying to make here?
Title: Re: When can an oscillating circuit such as the Joule Thief not be used?
Post by: CommanderJerome on January 28, 2015, 12:26:05 AM
When you've run out of parts to build one?   :P



What is the point you are trying to make here?
Sorry, I know an LED works with a Joule Thief because it lights on and off so many times per second it looks on - so it can be used there, But is there a type of device that wouldn't work if powered by an oscillating current?
Title: Re: When can an oscillating circuit such as the Joule Thief not be used?
Post by: Pirate88179 on January 28, 2015, 04:17:49 AM
Sorry, I know an LED works with a Joule Thief because it lights on and off so many times per second it looks on - so it can be used there, But is there a type of device that wouldn't work if powered by an oscillating current?

There are plenty of devices that would not work if powered by a JT circuit.  But, there are so many types of JT circuits too, different freqs., different duty cycles, etc.

I am not sure what you are getting at here?  I mean, you can not run your computer on a JT, coffeemaker, TV, Heat pump, 3D printer, or any device designed to operate on a fixed 60 Hz input, if you are talking AC devices.  For DC, since the JT is simply upping the voltage and switching on/off at a certain duty cycle, just about anything that has to have a fixed dc voltage input and a constant current to operate would not work with a JT circuit.

Just my opinion,

Bill