<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Do you guys just come up with these questions just to make me feel stupid?It really does not take much anyway.<div>Not only do i have no idea what produces the tone.</div><div><br></div><div>But i have no idea what so ever what a nano oscillator circuit is much less a nano piezo circuit.<br><br>--- On <b>Sun, 10/9/11, George Kennie <i><geobet4evr@gmail.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: George Kennie <geobet4evr@gmail.com><br>Subject: [NSRCA-discussion] beep tones<br>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><br>Date: Sunday, October 9, 2011, 1:04 PM<br><br><div id="yiv758316726"><div>I have a question that came up at ther flying field yesterday.</div><div>The query was: What produces the arming tone and the cell count tones
that are </div><div>audible when the battery is plugged in to an electric motor powered model?</div>
<div> </div><div>There were guys that were adament that the tones were produced by the current</div><div>surging through the motor.</div><div> </div><div>There was confusion due to the fact that no visible speaker could be observed.</div>
<div> </div><div>I felt that there had to be nano oscillator circuits in the esc working some kind of a</div><div>nano piezo circuit generating the required tones, but I really had no idea.</div><div> </div><div>Can somebody please clear up the confusion, ? anybody,? Peter???</div>
<div> </div><div>Thanks </div><div> </div><div>Georgie </div>
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