Vacuum Tubes and Transistors

O'Reilly · 2 years ago · 125 views

I’ve had a ham radio license since the late 1960s and observed the transition from vacuum tubes (remember them?) to transistors firsthand. Because we’re allowed to operate high power transmitters (1500 watt output), tubes hang on in our world a lot longer than elsewhere. There’s a good reason: tubes are ideal high power devices for […]