Return-Path: X-Spam-DCC: paranoid 1233; 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=-1.9 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_40_50,HTML_MESSAGE 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 t7S994FE005222 for ; Fri, 28 Aug 2015 11:09:04 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZVFWq-0002oe-48 for rs_out_1@blacksheep.org; Fri, 28 Aug 2015 10:00:56 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZVFWp-0002oV-N3 for rsgb_lf_group@blacksheep.org; Fri, 28 Aug 2015 10:00:55 +0100 Received: from mail-wi0-f175.google.com ([209.85.212.175]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1ZVFVq-0003YR-FZ for rsgb_lf_group@blacksheep.org; Fri, 28 Aug 2015 10:00:54 +0100 Received: by wieo17 with SMTP id o17so8111795wie.0 for ; Fri, 28 Aug 2015 01:59:36 -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:date:message-id:subject:from:to :content-type; bh=mjJpfv23lDmeqfwjv1jtAveKyUZbkK0c8J2vrfzTKZA=; b=dd5nLdEA9HLQQfg08YVKgvaNJs5g9apkuk0mOhGtU99t0glO71g+Y4NJ7y5T7Xxrma xuJU+lNx31vwHYPlc24xcj9gMjD6q+5eczLxB/GaEhmgzXfzbXirYMuA9YmzRGrDw9iD PYKYn/YPGIQ2sWuB7kVIphF46sjwPQGwLZmQqo1IYtKMcw15y0qWduVGUVLHgsKIEOyd FMKb9Xa8mKhScZskhx4y9JZZ3XisL/IV5GZnRsnQrixEzYXGyHCFMpTV8J5XX1fqw569 Ds9Ex9bLNp7pnkceRGouNf+eMuDvTJ+bg8pFCA/YOCyar1rCTvbL+dBPPVcKPDj06xEg svKw== MIME-Version: 1.0 X-Received: by 10.180.214.70 with SMTP id ny6mr3139678wic.20.1440752376499; Fri, 28 Aug 2015 01:59:36 -0700 (PDT) Received: by 10.28.98.6 with HTTP; Fri, 28 Aug 2015 01:59:36 -0700 (PDT) In-Reply-To: References: Date: Fri, 28 Aug 2015 09:59:36 +0100 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org, rsgb_lf_group@yahoogroups.co.uk X-Scan-Signature: 5c335215f1b3de26d890ee84d49616ce Subject: LF: Fwd: [rsgbtech] IMD performance Content-Type: multipart/alternative; boundary=001a1135fb5e9c548a051e5b4df5 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 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 3999 --001a1135fb5e9c548a051e5b4df5 Content-Type: text/plain; charset=UTF-8 A while ago I made a medium power (~ 50 watts) linear PA for use at LF to MF. Details are here http://www.g4jnt.com/linear_LF_PA3.pdf After a discussion about linearity on IMD in switching FET PAs on the RSGBTech Group, I got round to making some intermodulation measurements on that amplifier. Results can be found here http://www.g4jnt.com/LFPA_IMD.pdf Andy G4JNT --001a1135fb5e9c548a051e5b4df5 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
A while a= go I made a medium power (~=C2=A050 watts) linear PA for use at LF to MF.= =C2=A0Details are here
=

After a discussion about linearity on IMD in switching = FET PAs on the RSGBTech Group, I got round to making some intermodulation m= easurements on that amplifier.=C2=A0=C2=A0 Results can be found here
<= div>http://= www.g4jnt.com/LFPA_IMD.pdf


Andy= =C2=A0 G4JNT


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