[Elecraft] KPA500 swr tolerance

jim jbollit at outlook.com
Wed May 6 17:31:08 EDT 2015


In my experience, it does not like anything near 2:1.

It can trip out at just over 1.6:1, depending on the band and the type of
load (reactive part) and power out.

I got the KPA-500 which makes the amp happy.

Jim
W6AIM




.

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jim
Hoge
Sent: Wednesday, May 6, 2015 1:43 PM
To: Elecraft Reflector
Subject: [Elecraft] KPA500 swr tolerance

Greetings,
In viewing the info on the KPA500, I see a spec for input swr of 1.5/1 but I
cannot find any numbers for what the amp will tolerate from the antenna
load. I assume it is low because it's a solid state amp but what exactly
will it tolerate before it soft or hard faults? Perhaps I am
misunderstanding the input swr as being from the transceiver?

Tnx es 73,Jim W5QM

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