The Vacuum Tube’s Forgotten Rival
Cars That Think
MARCH 27, 2022
V-2 rockets it used to rain destruction on London. An old-fashioned triode vacuum tube does that using a voltage applied to its grid electrode. A second wire also wrapped around the core forms a control winding. After winding, the module was annealed in hydrogen at 1,100 °C for 2 hours and then rapidly cooled.
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