Sputnik 1959
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Transistor radio "Sputnik" was developed and experimentally released in 1959 in Leningrad. Radio "Satellite" is assembled on a superheterodyne scheme on 8 transistors. It allows you to receive radio stations in the range of DV 1800 ... 750 m and CB 560 ... 210 m waves. The sensitivity when operating on the internal antenna on medium waves is 1 ... 1.5 mV / m, on long 1.5 ... 2 mV / m, and when working on an external antenna, its sensitivity is 200 and 300 μV, respectively. The intermediate frequency is 465 kHz. Maximum output power 160 mW. The receiver is powered by 4 D-0.2 batteries, with a voltage of 5 V. The current consumption in silent mode is 10 ... 13 mA, and at a maximum power of 60 mA. The radio receiver is mounted in a wooden case in the form of a book size 140x120x30 mm. Its case is lined with celluloid, and the ribbon nested as a bookmark serves as a range switch. The installation is made on a getinak board with a size of 115x95 mm, in a mounted way. Radio weight with batteries 450 gr. The price of the radio receiver is 42 rubles 12 kopecks after the monetary reform of 1961.
Information from collection of Valery Khartchenko