[600MRG] well crud...

[John Langridge]

IRF540.. its the GW3UEP design.


I have another amp sitting over here but its designated as my CW amp and I've 
retired it from 100% duty cycle modes.

the low power does not seem to be impacting reports.. conditions are definitely 
good tonight.

XIQ




________________________________
From: Mike-WE0H <we0h at yahoo.com>
To: 600mrg at w7ekb.com
Sent: Thu, February 28, 2013 9:55:00 PM
Subject: Re:  [600MRG] well crud...

What FET's you runnin?

Mike-WE0H
/16



  John  wrote:

> Did something stupid and blew a FET in the big PA.  Replaced it with a FET of
> questionable origin and it failed pretty quickly.
>
> Running Downconverter only now and I'm calling it 20 dbm to the antenna but 
who
> knows..  Its a lot less than granted power limit.  If everything continues to
> look good, I will run like this for the remainder of the night.
>
> In the mean time, I am waiting on Mouser to deliver 10 more replacements in 
the
> morning.  I guess I should have ordered more last week.. who knew?
>
> 73 and thanks to all who are listening on WSPR tonight...Its a nice crowd...
>
> John WG2XIQ/KB5NJD


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