{"version":"1.0","type":"link","title":"Triode - Newikis","description":"A triode is an electronic amplifying vacuum tube (or thermionic valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/7/7e/Triody_var.jpg","thumbnail_width":1200,"thumbnail_height":854}