There’s a Blue Bendix in Texas, and thanks to [Usagi Electric] it’s the oldest operating computer in North America. The Bendix G-15, a vacuum tube computer originally released in 1956 ...

Definitely not in the meme category, though, is this overkill vacuum tube 555 timer. It comes to us via [David Lovett], aka [Usagi Electric], who has lately caught the “hollow state ...

you might use a 25-watt light bulb as a model for the vacuum tube. Indicate that ENIAC (Electronic Numerical Integrator and Computer), built in 1946 and considered the first of the modern ...

1. Stephen A. Dyer, “SPICE Modeling of Common Active Devices—An Overview,” Electronic Design, Nov. 18, 2024. 2. Stephen A. Dyer, “An Intro to Simulation of Vacuum-Tube Triodes in SPICE ...

The telephone company had problems with vacuum tubes, too, and hoped to find something else to use for switching telephone calls. The idea of somehow using semiconductors (solid materials such as ...

ORDINARY electric conductors are sources of spontaneous ... in the form of resistance units, by means of a vacuum tube amplifier terminated in a thermocouple. It manifests itself as a part of ...