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Overunity Machines Forum



How do I test for resonance

Started by Tesluh, October 08, 2016, 03:15:19 PM

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Tesluh

#20
November 29, 2016, 09:16:42 AM
the second probe you are referring to might be the frequency counter.  I don't understand the use of a frequency counter unless the output on the signal generator isn't easy to determine.  when it's a digital readout I'm pretty sure the frequency from the counter and the frequency out but by the generator are the same.

antimony

#21
December 02, 2016, 05:35:56 AM
Quote from: Tesluh on November 29, 2016, 09:08:30 AM
the "probe" on my function generator has a two pronged lead.  you need the signal generator and an oscilloscope which also has a probe.  I finally was able to get my equipment to determine the resonant frequency of a coil.  I am not sure how exact the frequency i am coming up with is but I get the rising and falling waveform on the scope.  tried three different signal generators (not sure if I was using them correctly) and ended up with this one that has a built in frequency counter.  https://www.amazon.com/gp/product/B0199SVAIY/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

I had two probes on my oscilloscope but now i am using only one channel, and the other probe on the FG-100.

Im not sure if i have one in this cheap fg, but my oscilloscope is able to measure the frequency.

I will probably get another one if i am not able to figure oiut how to use this one soon. :)

Tesluh

#22
December 02, 2016, 08:30:32 AM
does your function generator have a lead with two ends?  mine has a jack that you plug into that says output and the cord has two alligator clips.

Tesluh

#23
December 02, 2016, 08:34:27 AM
if your scope can measure the frequency and it changes when you change the function generator frequency you are most of the way there.

antimony

#24
December 05, 2016, 08:38:31 AM
Quote from: Tesluh on December 02, 2016, 08:30:32 AM
does your function generator have a lead with two ends?  mine has a jack that you plug into that says output and the cord has two alligator clips.

I use my oscilloscope probe. It has one ground clip and one hook.
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