Triode is a new Internet radio app from The Iconfactory for iOS and iPadOS, the Mac, and Apple TV that fills a niche all but abandoned by Apple. Internet radio stations used to claim a more prominent ...
[Mikremk] demonstrates this with a simple but effective amplifier using a PCL82 triode-pentode. It’s a conventional tube amplifier circuit in which the triode is a preamplifier for the pentode ...
The circuit is a pretty conventional single-ended one with a two stage double triode preamp and a single power output tube. The transformers are usually the difficult part of a build like this one ...
His grid-triode was no great success as a detector, but it did eventually make modern radio and electronics possible He invented the three-electrode vacuum tube without understanding how it worked.
Before that, for nearly four decades, the key component for all radio, television, telephone and computer systems was an audion, a triode invented by Lee de Forest in 1906. Born in Iowa ...
It was a triode, incorporating a filament and a plate, like ordinary vacuum tubes, but also a grid between the filament and plate. This strengthened the current through the tube, amplifying weak ...
The audion, or triode, at the heart of the vacuum tube is what the transistor was built to replace. De Forest was born in Alabama to a Congregational minister who hoped that his son would continue ...
What was originally called “wireless” telegraphy became radio with the electrical amplification possibilities inherent in the vacuum tubes that evolved from John Fleming’s diode and Lee de Forest’s ...