Radio receiver `` Russia-303-1 ''.
Portable radio receivers and radios on p / p.DomesticThe portable radio receiver "Russia-303-1" has been produced by the Chelyabinsk PO Flight since 1982. The radio was created on the basis of the Russia-303 model, but unlike it, it has a socket for an external power supply unit, which could have been included in the kit. The scheme and design of the model have been changed accordingly. The radio receiver is designed for reception in the LW and MW bands to a magnetic antenna and in two KB sub-bands to a telescopic antenna. Power supply 4 elements 316. Current consumption, in the absence of signal 10 mA. The operability is maintained when the supply voltage drops to 3.5 V. The duration of operation at an average volume from fresh batteries is 50 hours. The receiver has a regulator for fine tuning in the HF sub-bands, jacks for an external antenna and a miniature telephone. Ranges: DV 150 ... 408 kHz, SV 525 ... 1605 kHz, KV1 9.5 ... 12.1 MHz, KV2 3.95 ... 7.3 MHz. IF 465 kHz. Sensitivity in the ranges of DV - 1.5 mV / m, SV - 0.7 mV / m, in both KB subranges of 100 μV. Selectivity 46 dB. Nominal output power is about 100 mW, maximum 150 mW. The band of reproducible sound frequencies is 300 ... 3550 Hz. Average sound pressure 0.25 Pa. Receiver dimensions 215х125х47 mm. Weight 1 kg. Since 1987, the radio has been produced under the name "Russia RP-303-1".
