Return-Path: X-Spam-DCC: paranoid 1481; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_MESSAGE,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u87Bq4hj015204 for ; Wed, 7 Sep 2016 13:52:04 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1bhbKS-0000d3-Ti for rs_out_1@blacksheep.org; Wed, 07 Sep 2016 12:47:44 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1bhbKS-0000cu-JH for rsgb_lf_group@blacksheep.org; Wed, 07 Sep 2016 12:47:44 +0100 Received: from mail-lf0-x230.google.com ([2a00:1450:4010:c07::230]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1bhbKP-0001Vq-7j for rsgb_lf_group@blacksheep.org; Wed, 07 Sep 2016 12:47:43 +0100 Received: by mail-lf0-x230.google.com with SMTP id l131so8870810lfl.2 for ; Wed, 07 Sep 2016 04:47:41 -0700 (PDT) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=E3ajBTzOQ4J157xvzyodxWXVhnfHzfw067FLu3cmj20=; b=HTLaKgHXi6XMgZHUhOkhQuwknjbMc8qPVCr75/ww0bXZWxcJjtyZ7V7pEFYBS6sNIo uEmCK6nmlPMsLvzw9PINOPMC6pwZ84weOSH3ii4QkmwFqIPsg2I5N/iCvj45WJrRNmgA U4GKQ8qGriP3UVm/owJrFMlaAf0am+lEr8ZaSMRbHPBVmm2Cc460ilzjN4LruFx7ZZSd /7zPVY6N7A6442ZjbZPtgwf2Kb/dRzhNgUhh3QFLNXEfevOq6+bZwXd+bAfcmaYoMQ3y j+Kr3votSAL8fCQXPrSGs6udnQTdxxOAvNXMl7vLGpSglc9f7I9UWSBkotTs8qIR26q1 FGOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=E3ajBTzOQ4J157xvzyodxWXVhnfHzfw067FLu3cmj20=; b=I2nCyRXsbnVXEofAx9lzcizv3PlmLIhQt6hCrC7lDeH4Ba5jA5EdOCJP5rl7DyFRdM JKlFCmM/ZtTv1VFdjAz/75e6y66Cxa6CHTUkf/TDP+snBAxxL0HtF3D1e9vqR/YikioC qdeayUo5wGA9Ez7JZFMAaxOB6V8iGlYMSMGm++zzW70+dSj7tVavTRLQ2sE90f5k0el3 EEaOD9jNSKYgZaDIQeOv+ID4YXgKT2+QpKm+wdxnfq+rn4pPk2EhILjPmZ9Wuyoz4nku WDIdm9dDUEpXqsN+/rdDuZeGuK3hC7cyrsO7ZihdH2iOFORjf39pI9ledAQZLcSHF1se 0kMg== X-Gm-Message-State: AE9vXwM/KFeq1nZf4zsbtZhAv6tAN2swJuaks9mLdNfVG25yIFM1OpGrua9eqZ+0VAOZYWV8RFvRTvJye/dLJg== X-Received: by 10.46.9.204 with SMTP id 195mr1339600ljj.72.1473248858521; Wed, 07 Sep 2016 04:47:38 -0700 (PDT) MIME-Version: 1.0 Received: by 10.25.141.14 with HTTP; Wed, 7 Sep 2016 04:47:37 -0700 (PDT) In-Reply-To: <579355A36AEE9D4FA555C45D556003AB5D7D9F9C@servigilant.vigilant.local> References: <57CFF2BD.3010508@posteo.de> <579355A36AEE9D4FA555C45D556003AB5D7D9F9C@servigilant.vigilant.local> From: Andy Talbot Date: Wed, 7 Sep 2016 12:47:37 +0100 Message-ID: To: rsgb_lf_group@blacksheep.org X-Scan-Signature: 9be3f060697a097db7a337109fbeece1 Subject: Re: LF: EA5DOM LF tests Content-Type: multipart/alternative; boundary=001a114b0a5ce0ca6a053be97a3c 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 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 8698 --001a114b0a5ce0ca6a053be97a3c Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable http://www.g4jnt.com/PowerAmps.htm Class E designs http://www.g4jnt.com/137tx.pdf http://www.g4jnt.com/QRO_500kHz_PA_Breadboard.pdf 'jnt On 7 September 2016 at 12:33, VIGILANT Luis Fern=C3=A1ndez wrote: > Ideas wellcome ! :-) > > I like the W1YD design http://www.w1vd.com/137-500-500WTX.pdf > > Don't need the keyer and would use an ICL7667 as dual mosfet driver > For the mosfets what I have here is a couple of IRFP3206 > > I have a linear transformer with 2x24V outputs. Can be good for an > unregulated 48V supply > This is what the audio PA is using now > > 73 de Luis > EA5DOM > > ------------------------------ > *De:* owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@ > blacksheep.org] *En nombre de *DK7FC > *Enviado el:* mi=C3=A9rcoles, 07 de septiembre de 2016 12:58 > *Para:* rsgb_lf_group@blacksheep.org > *Asunto:* Re: LF: EA5DOM LF tests > > > Am 07.09.2016 12:16, schrieb VIGILANT Luis Fern=C3=A1ndez: > > > Time for a D class PA ;-) > Output filter and transformer core is already here, so should be easy to > get some 50w or more (10dB) > > > That sounds good. Can you show a schematic that you want to build up? > Which voltage, which FETs, which driver? > > 73, Stefan > --001a114b0a5ce0ca6a053be97a3c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
http://www.= g4jnt.com/PowerAmps.htm

Class E designs
http://www= .g4jnt.com/QRO_500kHz_PA_Breadboard.pdf

'jnt=


On= 7 September 2016 at 12:33, VIGILANT Luis Fern=C3=A1ndez = <luis@vigilant.es<= /a>> wrote:
Ideas wellcome ! :-)
=C2=A0
=C2=A0
Don't need the keyer and would use an ICL7667 as dual mosf= et driver
For the mosfets what I have here=C2=A0is a couple of=C2=A0IRFP= 3206
=C2=A0
I have a linear transformer with 2x24V outputs. Can be good fo= r an unregulated 48V supply
This is what the audio PA is using now=C2=A0
=C2=A0
73 de Luis
EA5DOM

De: owner-rsgb_lf_group@blackshee= p.org [mailto:owner-rsgb_lf_group@blacksheep.org] En nombre de DK7FC
Enviado el: mi=C3=A9rcoles, 07 de septiembre de 2016 12:58
Para: rsgb_lf_group@blacksheep.org
Asunto: Re: LF: EA5DOM LF tests


Am 07.09.2016 12:16, schrieb VIGILANT Luis Fern=C3=A1ndez:
=C2=A0
Time for a D c= lass PA=C2=A0 ;-)
Output filter = and transformer=C2=A0core is=C2=A0already here, so should be easy to get so= me 50w or more (10dB)

That sounds good. Can you show a schematic that you want to build up? Which= voltage, which FETs, which driver?

73, Stefan

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