Rossija-304 1979
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The portable radio receiver "Russia-304" has been produced by the Chelyabinsk Radio Plant since 1979. ,86e6f450b8cc469628ba70bf2947b049 The release of the receiver is timed to coincide with the "Olympics-80". ,86e6f450b8cc469628ba70bf2947b049 The scheme and design of the receiver does not differ from the Russia-301 and Russia-303 receivers. ,86e6f450b8cc469628ba70bf2947b049 "Russia-304" is a portable superheterodyne radio receiver of the 3rd class, assembled on 8 transistors and 2 diodes and is designed to receive radio stations with AM in the DV and SV bands to a built-in magnetic antenna, and in KV-1 and KV-2 to a telescopic antenna. ,86e6f450b8cc469628ba70bf2947b049 Range of received frequencies: DV 150 ... 405 kHz; ,86e6f450b8cc469628ba70bf2947b049 CB 525 ... 1605 kHz; ,86e6f450b8cc469628ba70bf2947b049 KV-1 9.5 ... 12.1 MHz, KV-2 3.95 ... 7.3 MHz. ,86e6f450b8cc469628ba70bf2947b049 IF - 465 kHz. ,86e6f450b8cc469628ba70bf2947b049 Maximum sensitivity at an output power of 5 mW: at DV 500 μV / m; ,86e6f450b8cc469628ba70bf2947b049 CB 200 μV / m; ,86e6f450b8cc469628ba70bf2947b049 KB 50 μV. ,86e6f450b8cc469628ba70bf2947b049 Real sensitivity: at LW 1.5 mV / m; ,86e6f450b8cc469628ba70bf2947b049 SV 0.7 mV / m; ,86e6f450b8cc469628ba70bf2947b049 KB 100 μV. ,86e6f450b8cc469628ba70bf2947b049 Selectivity on the adjacent channel 46 dB, on the mirror: on DV 36 dB; ,86e6f450b8cc469628ba70bf2947b049 CB 30 dB; ,86e6f450b8cc469628ba70bf2947b049 KB 14 dB. ,86e6f450b8cc469628ba70bf2947b049 Rated output power 100 mW, maximum 150 mW. ,86e6f450b8cc469628ba70bf2947b049 The band of reproducible sound frequencies is 315 ... 3550 Hz. ,86e6f450b8cc469628ba70bf2947b049 Average sound pressure 0.25 Pa. ,86e6f450b8cc469628ba70bf2947b049 Power supply - 4 elements A-316. ,86e6f450b8cc469628ba70bf2947b049 Quiescent current 10 mA. ,86e6f450b8cc469628ba70bf2947b049 The dimensions of the radio are 215 x 125 x 47 mm. ,86e6f450b8cc469628ba70bf2947b049 Weight 1 kg. ,86e6f450b8cc469628ba70bf2947b049 ,null,ru,null,null,null,null
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Information from collection of Valery Khartchenko