Return-Path: Received: (qmail 1516 invoked from network); 12 Jan 2000 00:08:24 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by grants.core.plus.net.uk with SMTP; 12 Jan 2000 00:08:24 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 128B4f-0007gk-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 11 Jan 2000 23:51:41 +0000 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Received: from tele-post-20.mail.demon.net ([194.217.242.20]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 128B4e-0007gf-00 for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2000 23:51:40 +0000 X-Priority: 3 Received: from pickmere.demon.co.uk ([158.152.117.143]) by tele-post-20.mail.demon.net with smtp (Exim 2.12 #2) id 128B4b-0005gt-0K for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2000 23:51:38 +0000 X-MSMail-Priority: Normal Message-ID: Date: Tue, 11 Jan 2000 20:57:49 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 To: rsgb_lf_group@blacksheep.org From: "M.J.Powell" Subject: Re: LF: Re: Bad experience with loop ant References: <000e01bf5ba5$6bc57f60$60d725c3@194.95.193.10.fen.baynet.de><387ABC73.EB1AE1BB@qsl.net> In-reply-to: <387ABC73.EB1AE1BB@qsl.net> MIME-Version: 1.0 X-Mailer: Turnpike Integrated Version 4.02 S Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: In message <387ABC73.EB1AE1BB@qsl.net>, Heinz Schnait writes >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? Measure the Inductance. L Add a known C. Measure resonant frequency. Calculate what it should be from L and C. Difference is due to C of loop! Mike -- M.J.Powell