[Elecraft] SS30DV feedback OT

[Joe Subich, W4TV]

On 10/3/2015 10:14 AM, Ignacy wrote:
> With predistortion coming sooner or later to mainstream radios, higher PA
> voltage for 100W is dead issue.
> Ignacy


Higher voltage PA and predistortion are completely separate items. Even
with predistortion, good engineering principles mean higher voltage
transistors one should be used for 100W class rigs.

Most 50 or 60 W "12V" transistors are class C devices (a pair for "100
W") ... predistortion is not going to make class C finals clean enough
for reasonable SSB.  Modern "12V" radios are 10 dB or more dirtier than
older generation tube transceivers.

73,

   ... Joe, W4TV