"Patrick Turner" wrote in message
...
Ian Bell wrote:
Don't know if anyone is interested but I got this little snippet in the
email form Elektor today:
http://tinyurl.com/82upa5
He seems to have discovered yet another type of distortion which he has
christened Dynamic Damping Factor Distortion (DDFD).
Well, the DF does change during a wave cycle. Ra isn't constant at all
points; if it was, there'd be less THD and IMD.
Patrick Turner.
Cheers
Ian
.... christened? --- named, surely!!
Does this mean, thanx to a new parameter surfaced by Menno van der Veen,
MSc., leading[??] designer of valve amplifiers and output transformers,
yet -another- type of DFM has to be designed and marketed? It will cost a
bomb!
Bad enough to fork out £160 + return train fare for Brum.
Jim