Topic

vacuum tubes

6 videos. Ranked by independent recommendations, not by views.

1. 

   1 Let’s Build Some Logic Gates out of Vacuum Tubes: OR, NOR, NAND, AND

   Usagi Electric 4 people · 3 months · since Sept 2020

   A hands-on breadboard build of basic logic gates from valves, cited as a useful example by people asking how tube-based digital circuits work.

2. 

   2 Vacuum Tubes: Episode 1 - The Basics and the Diode

   Usagi Electric 3 people · 4 months · since Jul 2020

   An Usagi Electric introduction to how vacuum tubes work and the tube diode, suggested as a simple first step before attempting valve circuits.

3. 

   3 Building the Largest 555 Timer in the World out of Vacuum Tubes

   Usagi Electric 3 people · 3 months · since Dec 2021

   Usagi Electric recreates the 555 timer using valves, and viewers point to it as both a clear account of how the chip works and an entertaining oddity.

4. 

   4 hand making vacuum tubes Part 1

   mikeymike4g63 3 people · 3 months · since Jun 2011

   The first part of a demonstration of making vacuum tubes by hand at home, shared with admiration for the rare skill involved.

5. 

   5 Zener Diode vs Tube Regulation and More

   Mr Carlson's Lab 3 people · 3 months · since Aug 2016

   Mr Carlson's Lab is cited for a temperature test comparing a regulator tube with a semiconductor reference, which commenters found an interesting demonstration of stability.

6. 

   6 Teletype Model 19 Part 4: Thyratron Power Supply

   CuriousMarc 3 people · 3 months · since Sept 2020

   CuriousMarc's video is linked as a visual example of thyratron tubes, especially the blue glow of the mercury vapour type.