Triodes were widely used in consumer electronics until the 1950s, when bipolar junction transistors replaced them; their main remaining use is for high power RF amplifiers in radio transmitters and industrial RF heating devices.
Triodes were widely used in consumer electronics until the 1950s. Bipolar junction transistors replaced them. Their main remaining use is for high power RF amplifiers in radio transmitters. Their main remaining use is for high power RF amplifiers in industrial RF heating devices.