Spīdola. История создания, загадки и схемотехника приемника «Спидола» ​

"Spīdola" is the first shortwave transistor receiver in the USSR. The history of its creation, circuitry, design, the secret of its name, the pronunciation of the word Spīdola and at the end a video of the song "Spīdola's Lullaby" performed by Dana Shcherbina. Contents 00:00 First in the USSR 00:57 Beginning of the story 2:07 What did the VEF plant produce? 2:51 Explanation of the abbreviation VEF 3:16 Need a transistor HF receiver 4:23 Names of the creators of "Spidola" 5:04 Author of the design of "Spidola" 5:49 Forerunner of the KB "Orbita" 7:01 Author of the name of the receiver 7:59 What does "Spidola" mean 8:18 Epic "Lāčplēsis" and Spidola 8:42 Poet Andrejs Pumpurs 9:16 Lāčplēsis and Spidola in USSR 10:01 Stress in the word Spidola and the longitude sign 12:59 Interesting moment with the name 13:30 Spidola is not Spidola at all 13:54 Jānis Rainis and the play "Fire and Night" 14:53 It looks like it was Aspazija 15:14 Transformations of Rainis 15:58 Opera "Uguns un nakts" by Medinš 16:21 Who is Spidola and the plot of the epic? 17:13 Real characters of "Lāčplēsis" 17:32 Who is Spidola? 18:20 How is the name Spidola translated? 19:42 Comic translation of Spidola 20:21 Popularity of "Spidola" and cinema 21:24 "Resident's mistake" and "Spidola" 22:04 Analysis of spy equipment in films about the resident 22:20 Spy "Spidola" 23:23 "Vesna" the predecessor of "Spidola" and a blooper 24:30 Encryption device 25:07 This is an ordinary receiver... 27:36 Official spy. SWL and QSL 28:38 How to convert "Spidola" into an amateur radio? 30:09 "Spidola" circuit in the VEF-12 ‒ VEF-206 series 31:24 Circuit overview for beginner radio amateurs 32:11 Drum ‒ range switch 33:04 Heterodyne and mixer 33:23 Current source 33:44 Focused Selection Filter and IF amplifier 34:05 Collector-base capacitance compensation 34:51 Detector and AGC 35:45 Low-frequency amplifier 36:03 Circuit overview for advanced radio amateurs 36:34 Reduced AC hum 37:13 Low-frequency amplifier mode for a LP player 39:04 Stabilization of cascade operating modes 40:18 Confusion of voltages in the instruction circuit 40:50 465 kHz stopper filter. Why? 42:59 A couple of shortcomings of "Spidola" 43:43 Improved scheme in VEF-206 45:24 "Spidola" design 46:23 Flat and round "battery" for 17 kopecks 47:51 "Spīdola" ‒ a legendary receiver 48:38 Song "Lullaby of Spīdola", Dana Shcherbina Support the channel - https://boosty.to/ensemb or   / ensemb   #radio #Spidola #Spīdola