[Elecraft] [K2] KAT100 odd behavior cured by reset of KPA100?

Bill Coleman aa4lr at arrl.net
Thu Aug 16 20:45:50 EDT 2012


On Aug 16, 2012, at 10:59 AM, Don Wilhelm <don at w3fpr.com> wrote:

> Bill,
> 
> Not quite.  If the KPA100 is installed, the forward power will be that of the KPA100, the KAT100 EL5146 will not be activated at all.
> 
> Yes, it is only for transmitting.  It tells the K2 MCU what the power output level is.  If the EL5146 is not present or is not working, the K2 will increase drive to maximum - thus no power level control, and likely to damage the base K2 PA transistors.
> 
> 73,
> Don W3FPR


OK, that's fine. I haven't tried transmitting since I removed the EL5146C. The K2/100 is still all apart on the workbench. 

My parts are on the way, should be fixed soon.

Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
            -- Wilbur Wright, 1901



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