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LF: LF linear preedrive Mods for TDA 2030 for OM2TW by DL4EAU

from [Thomas Eckart] [Permanent Link][Original]
To: rsgb_lf_group@blacksheep.org
Subject: LF: LF linear preedrive Mods for TDA 2030 for OM2TW by DL4EAU
From: "Thomas Eckart" <dl4eau@t-online.de>
Date: Tue, 4 Oct 2005 16:55:56 +0200
Delivery-date: Tue, 04 Oct 2005 15:57:54 +0100
Envelope-to: dave@picks.force9.co.uk
Importance: Normal
Reply-to: rsgb_lf_group@blacksheep.org
Sender: owner-rsgb_lf_group@blacksheep.org

Hi LF's,
Uwe, dj8wx, asked me for a PA with TDA2030.
I built up the original OM2TW PA and had some problems!
After my mods, ( in red circles) it still running very fine!
Output transformer is a ring N30 AL4100nH 20mm x 10mm x 7,6mm
rik 20 by http://www.reichelt.de 1,15 Euro or any else.
PA datas:
13,8V / 1,5A abt. 6W ------  linear abt.4,5W !! @136Khz
73' Tom DL4EAU

http://www.qsl.net/dl4eau/TDA2030mod.pdf



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