Being somewhat of a history buff I was wondering if anyone had a line on what the earliest Commercial Amateur Linear Amplifier was? 73, Bill == Bill Smith KO4NR ______________________________________
Early days there was very little use for linear amplifiers. Most were using AM (plate modulation) or CW. So the question may be what was the first Radio Amateur RF Power Amplifier ( with or without m
If we look back to the period between 1900 and 1930, commercially manufactured "amateur" transmitters did not exist. In the era between 1919 and 1921, we find that CW begins replacing homebrew spark
Bill, I'll go out on the limb here and say one of the earliest "stand-alone" 'RF Power Amplifiers' might had to have been the Millen 90881. 812A good for 500w as advertised in the back of the '54 Han
THE first KW amplifier (military applications) was buid by TELEFUNKEN in 1941. Designated as BF2000 waz delivering 1,7KW on 10.9MHz for their Long Range Aviation services (mostly Zeppelins :) This ha