Re: µBITX & QRP labs 50W PA

ajparent1/kb1gmx
 

Farhan,

No its not.  You need to be more than 100ma to get sorta on the linear part of the IRF510 bias curves.

At minimum bias you are on the very curved part of the gate threshold curve and the IMD will be poor with
crossover distortion.  Also we are not switching as its linear from transistor to transistor its complementary.
 
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