Triode
From Free net encyclopedia
Image:Triode.jpg
A triode is a type of vacuum tube (or valve in British English) with three elements: the filament or cathode, the grid, and the plate or anode. The triode vacuum tube was the first electrical amplification device.
Triodes are largely obsolete, having been replaced by the transistor, but do still find application where power consumption and overall size are not concerns, but low component count and high power capacity are. They are also still valued by musicians and audiophiles for amplification purposes, as some claim that triodes are still more linear at audio-frequency ranges.
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See also
de:Triodenröhre es:Triodo fr:Triode hr:Trioda he:טריודה nl:Triode pl:Trioda pt:Tríodo ru:Электровакуумный триод th:ไตรโอด