Return-Path: Received: (qmail 29412 invoked from network); 3 Jun 2000 11:49:38 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by grants.core.plus.net.uk with SMTP; 3 Jun 2000 11:49:38 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12yCJm-0006Sr-00 for rsgb_lf_group-outgoing@blacksheep.org; Sat, 03 Jun 2000 12:42:18 +0100 Received: from mta4-rme.xtra.co.nz ([203.96.92.15]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12yCJk-0006Sg-00 for rsgb_lf_group@blacksheep.org; Sat, 03 Jun 2000 12:42:17 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from [202.27.178.135] by mta4-rme.xtra.co.nz (InterMail vM.4.01.02.17 201-229-119) with SMTP id <20000603114141.XRHJ19584752.mta4-rme.xtra.co.nz@[202.27.178.135]> for ; Sat, 3 Jun 2000 23:41:41 +1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Message-ID: <3938EE64.503A@xtra.co.nz> Date: Sat, 03 Jun 2000 23:39:16 +1200 From: "vernall" X-Mailer: Mozilla 3.01C-XTRA (Win95; I) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: SV: Re: Bessel bandpass filter? References: <000c01bfcd2d$9edbf1a0$813b97d4@win95.swipnet.se> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: C Andersson wrote: > > >> a reference to a BESSEL BANDPASS filter. > > There's a nice software called "Filter Wiz Pro" which can be downloaded at: > http://www.schematica.com/Fil_Xfer/Transfer.htm > > The unregistered version has some masked componet values in the circuit diagrams. > > 73 > Christer > sm6pxj Thanks for the URL info. I will check it out. Bob ZL2CA