Subject: Re: New at this thing... Date: 17 Mar 97 10:43:53 EST From: Alan Sharp <100624.504-at-CompuServe.COM> To: "INTERNET:tesla-at-pupman-dot-com" <tesla-at-pupman-dot-com> Greetings > > LM567 Tone Decoder > 1 1/3 lbs of #26 magnet wire > AMIDON EA-77-250 ferrite core and bobbin I failed completely to get that circuit to work. You may be better of trying a tradition coil. Alan Sharp (UK)