[Elecraft] KPA1500 Linearity

Ignacy no9e at arrl.net
Wed Jun 20 09:02:00 EDT 2018


The saturation can be due:
 - transistor limit -not the case here
 - power supply drop - not if well designed switching PS or a commercial
unit
 - winding ratio in final transistor module

You can test the last one by measuring max power at saturation. Should be at
least 2 KW. 
I have Expert 2k-fa that has 6 transistor modules rated at 300W. Saturated
power around 2.0 KW as measured by LP100; 2k's meter shows 2.4 K.    

Ignacy, NO9E



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