Hi, i have a LC meter to measure the coils but when making ferrite coils i need to check the quality factor at a given frequency to make sure that the ferrite core is not rubbish.
Do you know how i could make an approximative measurement using a sdr dongle and some simple external circuit?
At the moment i have only a wideband noise generator but i could make a signal generator if needed.
Talk about anything else here.
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