[Amps] KPA1500 Efficiency vs. RF-Kit B26

jim.thom jim.thom@telus.net jim.thom at telus.net
Tue Jul 13 15:25:11 EDT 2021


Date: Mon, 12 Jul 2021 01:40:49 -0700
From: Jim Brown <jim at audiosystemsgroup.com>
To: amps at contesting.com
Subject: Re: [Amps] KPA1500 Efficiency vs. RF-Kit B26




<When I'm contesting on HF, always at 1.5kW, I've seen temps at 90 C, the
<fans run faster, I'm happy, and the amp is happy.
<73, Jim K9YC

##  90 deg C ?   wtf?
 90 deg C = 194 deg F !

##  Are u sure abt this ?   That's stupid hor for a LDMOS device.   What is
the ambient temp in the shack when this is  going on ?

Jim   VE7RF


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