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In Reply to: RE: transistor posted by Netsuke Chip on October 24, 2014 at 10:30:08
I think it was 1947?It's an abbreviation for transfer resistor. It's intended use was for amplification, a solid state replacement for the triode tube.
You're confusing the issue when you say rectifier. That's the original Edison, or diode tube. It's not much good for anything other than DC power supplies - all very useful sometime before WWII.
Meaning that the modern replacement is exactly that, a diode - not a transfer resistor.
You're obviously of English heritage. We say tubes, not valves.
What was your question again?
Edits: 10/24/14Follow Ups:
I believe it would be more correct to call it a replacement for the pentode tube since it acts like a current version of one. The late VFET devices used by Sony in the 70s were triode like and voltage devices. They measured like a very good triode.
I went to college in the mid - 70's, we were probably the last group to study vacuum tubes as a lead-in to solid state. Ignitrons and thyratrons and all that.
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