Portable VHF-FM radio receiver "Junior".

Portable radio receivers and radios on p / p.DomesticSince 1981, the portable VHF-FM radio receiver "Junior" has been produced by the Perm plant ADS. The radio receiver is similar in electrical circuit and design to the later receivers of the same plant "Iren-401" and "Iren-301". In the magazine Radio No. 6 for 1987, in the description of the Iren-401 receiver, it was written: In recent years, interest in pocket radios has increased. Small size and weight, makes them companions of tourists, lovers of walks and summer residents. Many will be pleased with the small Iren-401 receiver. This is the first serial radio receiver in the 65.8 ... 74 MHz range. Pay attention to the word "first". The radio "Junior" operates in the range 65.8 ... 73 MHz. IF 10.7 MHz. The maximum sensitivity is 10 µV, the real one is 20 µV. Single signal selectivity 16 dB. Selectivity on the image channel 26 dB. Rated output power 70, maximum 100 mW. The range of reproducible frequencies is 450 ... 3500 Hz. Powered by Korund battery. Quiescent current 25 mA. Receiver dimensions 115x65x30 mm. Weight with battery 170 grams. The initial design of the radio receiver for the Chamber of Commerce and approval for production is shown below (right radio receiver), in the production process as in photo # 2 or as in the “Iren” radio receivers.