Return-Path: Received: from rly-db01.mx.aol.com (rly-db01.mail.aol.com [172.19.130.76]) by air-db06.mail.aol.com (v124.15) with ESMTP id MAILINDB063-aa34a45487332c; Fri, 26 Jun 2009 18:15:21 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-db01.mx.aol.com (v124.15) with ESMTP id MAILRELAYINDB011-aa34a45487332c; Fri, 26 Jun 2009 18:15:17 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1MKJgX-0006nT-F0 for rs_out_1@blacksheep.org; Fri, 26 Jun 2009 23:14:17 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1MKJgX-0006nK-1A for rsgb_lf_group@blacksheep.org; Fri, 26 Jun 2009 23:14:17 +0100 Received: from smtp19.orange.fr ([80.12.242.1]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1MKJgU-0003tn-OJ for rsgb_lf_group@blacksheep.org; Fri, 26 Jun 2009 23:14:16 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf1904.orange.fr (SMTP Server) with ESMTP id 3A90620000A9 for ; Sat, 27 Jun 2009 00:14:06 +0200 (CEST) Received: from acer9412 (ARouen-256-1-92-20.w92-132.abo.wanadoo.fr [92.132.3.20]) by mwinf1904.orange.fr (SMTP Server) with SMTP id A84F520000A4 for ; Sat, 27 Jun 2009 00:14:05 +0200 (CEST) X-ME-UUID: 20090626221405689.A84F520000A4@mwinf1904.orange.fr Message-ID: <1BBB9A361EF9474E91D7F33C08131000@acer9412> From: "F6CWN" To: References: <908B19DF06BE4ECEB3A61470A89BEFA8@Black> Date: Fri, 26 Jun 2009 22:14:04 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Karma: unknown: X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36,HTML_MESSAGE=0.001 Subject: LF: Re: Re: IGBT in 136 KHz TX? Content-Type: multipart/alternative; boundary="----=_NextPart_000_001D_01C9F6AB.6A712410" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_40_50, HTML_MESSAGE 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_001D_01C9F6AB.6A712410 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Good night Markus and all, Thank you for precision about IGBT. I thought that the rising generati= ons of IGBT could help us to improve our equipment. In my job to use= IGBT time to time but to 100 KHz maximum (For example HGTG20N60). IGB= T has lower conduction losses and smaller die aera at equilalent power= . We are going to wait for the next generations therefore! :0) Vy 73 Markus, Jeff, F6CWN ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Friday, June 26, 2009 8:05 PM Subject: LF: Re: IGBT in 136 KHz TX? Dear Jeff, havn't actually tried it myself on 137 kHz. But from past experience= I'd say that while IGBTs may have less DC loss, they are much slower= (especially during turnoff). They can be used as effient switches at= some tens of kHz, whereas MOSFETs will easily go up to several MHz. Kind regards, Markus, DF6NM ----- Original Message -----=20 From: F6CWN=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, June 25, 2009 11:37 PM Subject: LF: IGBT in 136 KHz TX? Good night to all, Anybody would have any experience on the use of IGBT in 136 KHz am= plifiers? Thanks in advance! 73: Jeff / F6CWN=20 ------=_NextPart_000_001D_01C9F6AB.6A712410 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Good night Markus and all,
 
Thank you for precision about IG= BT. I thought=20 that the rising generations of IGBT could help us to improve our equip= ment. In=20 my job to use IGBT time to time but to 100 KHz maximum (For example HG= TG20N60).=20 IGBT has lower conduction losses an= d smaller die=20 aera at equilalent power. We are going to wait for the next generation= s=20 therefore!  :0)
 
Vy 73 Markus,
 
Jeff, F6CWN
 
 
 
----- Original Message -----
Sent: Friday, June 26, 2009= 8:05 PM
Subject: LF: Re: IGBT in 136= KHz=20 TX?

Dear Jeff,
 
havn't actually tried it myself on= 137=20 kHz. But from past experience I'd say that while IGBTs may= have less=20 DC loss, they are much slower (especially during turnoff). They= can be=20 used as effient switches at some tens of kHz, whereas MOSFETs= will easily=20 go up to several MHz.
 
Kind regards,
Markus, DF6NM
 
----- Original Message -----
From:=20 F6CWN
Sent: Thursday, June 25, 20= 09 11:37=20 PM
Subject: LF: IGBT in 136 KH= z TX?

Good night to all,
 
Anybody would have any experience=  on the=20 use of IGBT in 136 KHz amplifiers?
Thanks in=20 advance!
73: Jeff / F6CWN
 
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