[Elecraft] KX1 low power out

Tim Hodges 7twh at mtintouch.net
Wed Nov 10 15:45:25 EST 2004


Greetings all;

I have completed a KX1 with all options. Everything has gone great 
except I am seeing lower power
output than it should be. From a 12.5V power supply I am seeing just 
around 2.5W measured with a scope into a dummy load (as well as other 
power meters). Likewise on fresh alkelines, seeing power less than spec. 
I have been through support from Elecraft (great by the way), but not 
finding any problems. All other operational tests are fine, bought a set 
of toroids from toroidguy just so I could do a turn-by-turn count.  I am 
stumped... I am about ready to send it in to elecraft, but hate to spend 
the $$. I saw on the list a lengthy discussion about increasing R30 to 
33 ohms. Is this common? Any other common low output power issues I 
should look at?

72 de Tim KD7JZ



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