gEDA-user: Design Lab Equipment

[al davis]

On Saturday 31 March 2007 18:04, Peter Clifton wrote:
> There are still a few out there who understand valves - and
> build valve-amps etc. (sadly I'm not one of them, but I have
> a few collected... I own 3x 15kW plate dissipation triodes -
> from old RF induction heating kit ;)

They are really not significantly different from MOSFETs.

Well ...  how they work is different but how you use them is 
almost the same.

I did teach about them just last year in a communications 
course.  For high power, high frequency, it is still the way it 
is usually done.