At 2/27/2007 13:30, you wrote:
>Since when is the Xc of the Collector-Base capacitance of an output 
>transistor or the Drain-Gate capacitance of a FET considered an open 
>circuit at RF?
>Allan Crites  WA9ZZU

OK, maybe not a million ohms but high enough compared to the nominal 1 ohm 
or so output Z of the transistor (remember that the output of these guys 
has to be transformed up from a very low impedance to 50 ohms because of 
the output power & low voltage).

Bob NO6B


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