[Amps] 3CX800A7 Grid Current Problem

[John Lemay]

Jim

I think something has been lost in the translation !

It is being suggested that you should use a new core, because the old one
may have been saturated and/or overheated and it's properties have changed.

John G4ZTR

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of Jim W7RY
Sent: 26 January 2012 02:47
To: Carl; amps at contesting.com
Subject: Re: [Amps] 3CX800A7 Grid Current Problem

Carl... How would just re-winding the core fix anything?
Please explain?

Thanks
73
Jim W7RY



> If the toroid is the problem the easiest solution is to remove and wind a
> new toroid with better insulation on the core and wire as there is no 
> simple
> way to undo the engineering problems without spending a lot of money. If 
> the
> 4:1 looks the slightest bit cooked then make a new one also.
>
> As long as your input VSWR and power is holding steady I dont think that
> circuitry has a problem but they are also known for cooking relays.
>
> Carl
> KM1H
>
  
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