[Amps] Two questioins about tetrode amplifiers.

[Jim Brown]

On 11/1/2024 3:37 AM, Steve Thompson via Amps wrote:
> Output impedance is something that's rarely quantified for high power RF
> amps.

Output Z is dynamic -- that is, a function of the tube's operating 
parameters AT POWER, under load, which those of us who learned 60 years 
ago, could be computed by the "load line." It cannot be measured with 
small signal instrumentation.

73, Jim K9YC