Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_DNSWL_MED, SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: EATSERVER: mailn 1166; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v3K7guDr021983 for ; Thu, 20 Apr 2017 09:42:58 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1d16bt-0004bf-VM for rs_out_1@blacksheep.org; Thu, 20 Apr 2017 08:34:37 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1d16bt-0004bW-4K for rsgb_lf_group@blacksheep.org; Thu, 20 Apr 2017 08:34:37 +0100 Received: from omr-a015e.mx.aol.com ([204.29.186.63]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1d16bn-0005H2-I8 for rsgb_lf_group@blacksheep.org; Thu, 20 Apr 2017 08:34:35 +0100 Received: from mtaomg-mbb02.mx.aol.com (mtaomg-mbb02.mx.aol.com [172.26.254.112]) by omr-a015e.mx.aol.com (Outbound Mail Relay) with ESMTP id 084DD3800081 for ; Thu, 20 Apr 2017 03:34:28 -0400 (EDT) Received: from core-max07h.mail.aol.com (core-max07.mail.aol.com [10.76.11.16]) by mtaomg-mbb02.mx.aol.com (OMAG/Core Interface) with ESMTP id 681B138000081 for ; Thu, 20 Apr 2017 03:34:24 -0400 (EDT) Received: from 82.153.126.224 by webprd-m10.mail.aol.com (10.74.18.172) with HTTP (WebMailUI); Thu, 20 Apr 2017 03:34:24 -0400 Date: Thu, 20 Apr 2017 03:34:24 -0400 From: gw8glo@aol.co.uk To: rsgb_lf_group@blacksheep.org Message-Id: <15b8a4894c4-4fd4-2ae72@webprd-m10.mail.aol.com> In-Reply-To: <1981096.2LxWsFsWGc@x220> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [82.153.126.224] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.co.uk; s=20150623; t=1492673667; bh=dwleOXhdA3XzI1ZbyqjVSCKBeTQAJSiblrUPCnbmyPI=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=ilbS7DoK6hXjhx1udQ9X+EIyyDUjdlzXPuzGfMoEglnpTs9QX55TMrbbOjSit5qWB GH1gtLlmmmRU//Kl3A0davPi9Qx4ba4cM0cglI9hQA0VOwe0mIU50rqrVZcH8azPHk cdD4AV0LushK4kOn+YxbEbRZUD4aq9WQMk1rjBfc= x-aol-sid: 3039ac1afe7058f864804230 X-Scan-Signature: cd79e98bb57cf38a756c15469b5a993e Subject: Re: LF: A transductor for power regulation? Content-Type: multipart/alternative; boundary="----=_Part_211759_169708242.1492673664194" X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.75 Status: O X-Status: X-Keywords: X-UID: 11404 ------=_Part_211759_169708242.1492673664194 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit I used a much smaller circuit but identical as an input attenuator for an experimental vlf transceiver and it worked very well. The control was obtained from the agc line. Definitely worth pursuing!1 73 Dave -----Original Message----- From: Claudio Pozzi To: rsgb_lf_group Sent: Wed, 19 Apr 2017 18:46 Subject: Re: LF: A transductor for power regulation? On Wednesday 19 April 2017 14:41:35 you wrote: SNIP > > What about the circuit from my attachment? The windings labeled with DC > and switched anti-series, so that the AC voltage componsates. The AC > output winding is switched in series, so that the voltage doubles. When > the two other legs are saturated there is still a magnetic conductive > leg in the center, like a rod. This could still provide enough L for the > primary coil. The DC H fields compensate in the center leg. Could work, > right? Your circuit is a magnetic amplifier. This book is useful. https://archive.org/details/MagneticAmplifiers 73 Claudio ik2pii ---- ZE-Light e ZE-Pro: servizi zimbra per caselle con dominio email.it, per tutti i dettagli clicca qui Sponsor: Soluzioni di email hosting per tutte le esigenze: dalle caselle gratuite a quelle professionali su piattaforma Zimbra, da quelle su proprio dominio a quelle certificate PEC. Confronta le soluzioni Clicca qui ------=_Part_211759_169708242.1492673664194 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit I used a much smaller circuit but identical as an input attenuator for an experimental vlf transceiver and it worked very well. The control was obtained from the agc line. Definitely worth pursuing!1
73 Dave



-----Original Message-----
From: Claudio Pozzi <smtp01@email.it>
To: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Sent: Wed, 19 Apr 2017 18:46
Subject: Re: LF: A transductor for power regulation?

On Wednesday 19 April 2017 14:41:35 you wrote:
 
SNIP
 
>
> What about the circuit from my attachment? The windings labeled with DC
> and switched anti-series, so that the AC voltage componsates. The AC
> output winding is switched in series, so that the voltage doubles. When
> the two other legs are saturated there is still a magnetic conductive
> leg in the center, like a rod. This could still provide enough L for the
> primary coil. The DC H fields compensate in the center leg. Could work,
> right?
 
Your circuit is a magnetic amplifier.
 
This book is useful.
 
 
73
 
Claudio ik2pii



----
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