LF: 300 watt Tx

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LF: 300 watt Tx

from [Gary - G4WGT]

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To:	"LF \(Rsgb LF Group\)" <[email protected]>
Subject:	LF: 300 watt Tx
From:	"Gary - G4WGT" <[email protected]>
Date:	Tue, 9 Aug 2005 20:47:56 +0100
Delivery-date:	Tue, 09 Aug 2005 20:49:59 +0100
Envelope-to:	[email protected]
Importance:	Normal
Reply-to:	[email protected]
Sender:	[email protected]

Hi All at LF,

G0MRF 136 MHz Tx back on ok after extensive repair. Made improvements to PA
cooling. Fitted soft start to power supply but it produces too high volts
without a variac on the mains input so looking into fitting a regulation
circuit to keep it down to say 35 or 37 volts which also remove any problems
caused by the variac fluctuating or spiking (may have been cause of PA
failures). Further bulletins will follow.

Regards,

Gary - G4WGT - IO83qp

Web : http://myweb.tiscali.co.uk/wgtaylor

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