This is a very robust design. I built one in 1982 and it is still going.
73, Mike KS0T
On 1/17/2014 2:04 PM, Roger Last wrote:
John ,
you might like to try this link , http://www.warc.org.uk/proj_psu.php .
I built the one mentioned at the start of the article in 1989 and pleased
to say it
ack it was but adjusting per band in my KPA500 Menu did
the trick for my setup.
Regards
Art
ka9zap
*/
On 10/27/2013 10:35 AM, Mike Schultz KS0T wrote:
Hi Don and all,
Thanks for the ideas, but still having the problem. Don, I looked at
the K3 output on the analog meter on my old Waters dumm
e ideas come up.
Thanks, Mike KS0T
-Original Message-
From: Don Wilhelm
Sent: Sunday, October 27, 2013 8:01 AM
To: Mike Schultz KS0T ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 delay in getting to full power
Mike,
Make certain it is the amp and not the K3.
Check th
A problem just showed up with my 4 month old amp. If I send a string of
dashes at 30 Watts out of my K3, the KPA amp puts out around 120 Watts for the
first second or two then goes up to the expected output of 480 Watts. This is
on 20 meters to a Dummy load through my KAT500 tuner in bypass
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