Return-Path: Received: (qmail 23888 invoked from network); 11 Jan 2000 21:18:21 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by grants.core.plus.net.uk with SMTP; 11 Jan 2000 21:18:21 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 1288YD-0006dY-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 11 Jan 2000 21:10:01 +0000 Content-Transfer-Encoding: 8bit Received: from oso.slonet.org ([207.114.180.2] ident=cbuttsch) by post.thorcom.com with esmtp (Exim 3.02 #1) id 1288YC-0006d6-00 for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2000 21:10:00 +0000 X-Priority: 3 Received: from localhost by oso.slonet.org (8.9.3/8.9.3) with SMTP id NAA11301; Tue, 11 Jan 2000 13:09:02 -0800 (PST) X-MSMail-Priority: Normal Date: Tue, 11 Jan 2000 13:09:02 -0800 (PST) From: "Clifford Buttschardt" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 To: "Heinz Schnait" Cc: rsgb_lf_group@blacksheep.org Subject: Re: LF: Re: Bad experience with loop ant In-reply-to: <387ABC73.EB1AE1BB@qsl.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Heinz...To measure the distributed capacitance of any inductor, make a linear plot of resonanting capacitance on the horizontal axis and frequency on the vertical. Plot at least two resonanting frequencies, more would produce an average. Connect these points with a straight line. Where the line intersects the capacitance axis is the residual capacitance. Cliff K7RR On Tue, 11 Jan 2000, Heinz Schnait wrote: > Hello all, > > Walter Staubach wrote: > > > ....After realizing > > my loop I found out, that the capacity of the loop itself between the turns > > was already 800pF. That generates losses. Do you know that capacity in your > > loop? > > How can one measure the capacitance of the loop itself? Any suggestions? > > 73 Heinz, OE5EEP > > > > > >