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Buy POCO F5 Pro at bargain prices on Yandex Market: https://bit.ly/3MZXJUr Advertising. OOO MKT, INN 7811365157, LdtCKY9do Today we will have a warm and tube-like atmosphere! Let's figure out how a radio tube, or vacuum electronic devices, works and why they need so many grids. Let's look at some types of radio tubes and understand the principles of tube amplification. ???? Support the channel on Boosty: https://boosty.to/hidev ???? My equipment: https://www.hi-dev.ru/ali/moe-oborudo... ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ SEE ALSO ▽ ► Where does the current flow?: • Where does the current flow? Anode. Cathode. ► Guitar tube amp: • DIY homemade guitar amp Hi AMP! ► Semiconductors: • Semiconductors. How transistors work... ► Beginners Playlist: • Electronics for Beginners ► Electronic Components Playlist: • Electronic Components ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ CONTENTS ▽ 00:00 — Beginning 00:58 — How the vacuum tube appeared 03:07 — Vacuum tube diode (kenotron) 06:31 — Triode 09:06 — Tetrode 09:44 — Dinatron effect 10:40 — Pentode 11:36 — From vacuum tube to transistor ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ CONTACTS ▽ ▶ Zen: https://zen.yandex.ru/hidev ➦ Our website: https://www.hi-dev.ru/ ☺ VK group: https://vk.com/hidevru ???? For advertising and cooperation: [email protected] #lamps #amplifier #hidev