Tag: triod

via HACKADAY: The History and Physics of Triode Vacuum Tubes

The triode vacuum tube might be nearly obsolete today, but it was a technology critical to making radio practical over 100 years ago. [Kathy] has┬áput together a video┬áthat tells the story and explains the physics of the device. The first radio receivers used a device called a Coherer as a detector, relying on two tiny […]

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