Return-Path: Received: from rly-dg05.mx.aol.com (rly-dg05.mail.aol.com [172.19.151.89]) by air-dg07.mail.aol.com (v123.4) with ESMTP id MAILINDG071-5cb49ca34572e4; Wed, 25 Mar 2009 09:40:51 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dg05.mx.aol.com (v123.4) with ESMTP id MAILRELAYINDG058-5cb49ca34572e4; Wed, 25 Mar 2009 09:40:40 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LmTKT-00080h-1v for rs_out_1@blacksheep.org; Wed, 25 Mar 2009 13:39:37 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LmTKS-00080Y-MP for rsgb_lf_group@blacksheep.org; Wed, 25 Mar 2009 13:39:36 +0000 Received: from mail.cz.gmc.net ([77.48.211.230]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LmTKP-0002DX-Sj for rsgb_lf_group@blacksheep.org; Wed, 25 Mar 2009 13:39:36 +0000 Received: from Lenovo (192.168.100.32) by dove.gmc.net (192.168.40.18) with Microsoft SMTP Server id 8.1.358.0; Wed, 25 Mar 2009 14:38:49 +0100 Message-ID: From: =?iso-8859-1?Q?Petr_Mal=FD?= To: Date: Wed, 25 Mar 2009 14:38:37 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: TDA2003, TDA2030 for PA? Content-Type: multipart/alternative; boundary="----=_NextPart_000_00CD_01C9AD57.620A1E00" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME autolearn=no version=2.63 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-AOL-IP: 193.82.116.20 ------=_NextPart_000_00CD_01C9AD57.620A1E00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all, My intention is to build a small transmitter up to some 10W for 136 and 505=20= kHz, this time not the D class, but B or AB class. I think of employing AF amplifiers such as TDA2003, TDA2030, or similar. Of=20= course, mainly 505 kHz is rather out of range so that nothing is guaranteed.= This is why I ask before experimenting. Did anybody try to use these for 136/505 kHz? Tks, 73, Petr, OK!FIG http://ok1fig.nagano.cz ------=_NextPart_000_00CD_01C9AD57.620A1E00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi all,
 
My intention is to build a small transmitte= r up to=20 some 10W for 136 and 505 kHz, this time not the D class, but B or AB=20 class.
I think of employing AF amplifiers such as=20= TDA2003,=20 TDA2030, or similar. Of course, mainly 505 kHz is rather out of range so tha= t=20 nothing is guaranteed. This is why I ask before experimenting.
Did anybody try to use these for 136/505=20 kHz?
 
Tks, 73, Petr, OK!FIG
 
 
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