History of Cathode Ray Tubes with Kathy Joseph — EEVblog 1577

https://www.youtube.com/watch?v=CnJ7mQ_Fo-8   Book: “LIGHTNING TAMERS”   Fathers of vacuum tube / electron valves LEE DEFOREST — https://www.youtube.com/watch?v=CnJ7mQ_Fo-8 EDWIN ARMSTRONG (super heterodyne) — https://duckduckgo.com/?q=vacuum+tube%2C+armstrong REGINALD FESSENDEN — https://en.wikipedia.org/wiki/Reginald_Fessenden First image created by CRT — Maltese Cross. Crookes member of Golden Dawn. Occult all wrapped up in this. One purpose was to contact dead.   ERIC DOLLARD talked about this … Read more

A Nonlinear History of Radio

This highly nonlinear history of radio touches briefly on just some of the main stories, and provides pointers to the literature for those who want to probe further. Integrated circuit engineers have the luxury of taking for granted that the incremental cost of a transistor is essentially zero, and this has led to the high-device-count … Read more