Since 1974 the portable radio receiver "Russia-303" has been produced by the Chelyabinsk PO Polet.
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Portable radio receiver of the 3rd class `` Russia-303 '' is assembled on 8 transistors and 2 diodes.
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It is designed to receive radio stations with AM modulation, in the LW and CB bands on the internal magnetic antenna and in the KB sub-bands, on the telescopic one.
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Frequency ranges: DV - 150 ... 408 kHz, SV - 525 ... 1605 kHz, KV-1 - 9.5 ... 12.1 MHz, KV-2 - 3.95 ... 7.3 MHz
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The IF is 465 kHz.
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Sensitivity in the range of DV - 1.5 mV / m, SV - 0.7 mV / m, KB - 100 μV.
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Selectivity on the adjacent channel in LW and MW is not less than 46 dB.
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Selectivity for the mirror channel in the range of DV - 26 dB, MW - 30 dB, KB - 14 dB.
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AGC action: when the input signal changes by 26 dB, the output voltage changes by 6 dB.
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Rated output power 100 mW.
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The frequency range is 300 ... 3550 Hz.
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Power supply - 4 elements 316. Dimensions of the model 215Ñ…125Ñ…47 mm.
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Weight 1 kg.
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Since 1987, the Russia-303 radio has been referred to as the Russia RP-303.
,86e6f450b8cc469628ba70bf2947b049
In terms of parameters, it is a complete analogue of the above-described radio receiver, and the design corresponded to the design of the lilac radio receiver (see photo).
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