Recent content by harveyab

I was reading the Wikipedia article at http://en.wikipedia.org/wiki/Euler-Lagrange_equation and came across several symbols I am not familiar with. An arrow pointing right with a short vertical bar on the left end. What does this special arrow mean? How is it different from an arrow without the...

Your description, This definitely sounds like resonance to me. That is the overall circuit is going into oscillation, and as you move away, the loop gain drops below one (or the phase shifts too far) and the oscillation dies out. You have to get closer than that point before the oscillation...

My last post, I think was quite off the mark. Sorry. After watching the video, another thought may be resonance. You mentioned that the inductance meter was set to 1kHz. And you were careful to set the height with the guitar picks. You also pointed out how very sensitive it is to the exact...

Here is a patent that may give a small insight for you: http://www.faqs.org/patents/app/20090146772 Hope it helps a little.