samy555
Full Member level 4
Hi
The following image shows a part of a PC power supply, Where clearly shows a torroid.
It is yellow
My question is how can I use that torroid to make a 1.2 mH coil?
please give me the formula of calculation and in what frequecy band it can be used?
thanks
The following image shows a part of a PC power supply, Where clearly shows a torroid.
It is yellow
![power%20supply%20buldge.jpg](https://www.electronicrepairguide.com/images/power%20supply%20buldge.jpg)
My question is how can I use that torroid to make a 1.2 mH coil?
please give me the formula of calculation and in what frequecy band it can be used?
thanks