Return-Path: X-Spam-DCC: paranoid 1481; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,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 u87BcKps015144 for ; Wed, 7 Sep 2016 13:38:21 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1bhb7a-0000WR-F7 for rs_out_1@blacksheep.org; Wed, 07 Sep 2016 12:34:26 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1bhb7Z-0000WI-RZ for rsgb_lf_group@blacksheep.org; Wed, 07 Sep 2016 12:34:25 +0100 Received: from vigilant.es ([87.106.80.234] helo=mail.vigilant.es) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1bhb7V-0001PY-QK for rsgb_lf_group@blacksheep.org; Wed, 07 Sep 2016 12:34:24 +0100 Received: from servigilant.vigilant.local ([87.216.178.132]) by vigilant.es with MailEnable ESMTP; Wed, 7 Sep 2016 13:34:01 +0200 Received: from servigilant.vigilant.local ([fe80::c40d:8140:d722:5448]) by servigilant.vigilant.local ([fe80::c40d:8140:d722:5448%16]) with mapi id 14.03.0123.003; Wed, 7 Sep 2016 13:34:00 +0200 From: =?iso-8859-1?Q?VIGILANT_Luis_Fern=E1ndez?= To: "rsgb_lf_group@blacksheep.org" Thread-Topic: LF: EA5DOM LF tests Thread-Index: AdII1yCFiyYecCzcTNKT3RUqVSCZVAAAT9AAAAWTdoD//+6JgP//21uA Date: Wed, 7 Sep 2016 11:33:59 +0000 Message-ID: <579355A36AEE9D4FA555C45D556003AB5D7D9F9C@servigilant.vigilant.local> In-Reply-To: <57CFF2BD.3010508@posteo.de> Accept-Language: es-ES, en-US Content-Language: es-ES X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.168.0.2] MIME-Version: 1.0 X-Scan-Signature: 027eb28428a0ed4e20e06b28d08cfc7b Subject: RE: LF: EA5DOM LF tests Content-Type: multipart/alternative; boundary="_000_579355A36AEE9D4FA555C45D556003AB5D7D9F9Cservigilantvigi_" 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: 8697 --_000_579355A36AEE9D4FA555C45D556003AB5D7D9F9Cservigilantvigi_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 unregula= ted 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@blackshe= ep.org] En nombre de DK7FC Enviado el: mi=E9rcoles, 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=E1ndez: Time for a D class PA ;-) Output filter and transformer core is already here, so should be easy to ge= t 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 --_000_579355A36AEE9D4FA555C45D556003AB5D7D9F9Cservigilantvigi_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ideas wellcome ! :-)
 
 
Don't need the keyer and would us= e an ICL7667 as dual mosfet driver
For the mosfets what I have here&= nbsp;is a couple of IRFP3206
&= nbsp;
I have a linear transformer with = 2x24V outputs. Can be good for an unregulated 48V supply
This is what the audio PA is usin= g 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=E9rcoles, 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=E1ndez:
 
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
--_000_579355A36AEE9D4FA555C45D556003AB5D7D9F9Cservigilantvigi_--