Since 1986, the television receiver of the black and white image "Foton-234" has been producing the Simferopol TV Plant named after the 50th anniversary of the USSR.
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The unified semiconductor-integral black-and-white television "Foton-234", with a screen diagonal of 61 cm, is made on integrated circuits and transistors, with the use of SAW filters.
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The TV operates in the MW range, and the models with the `` D '' index also operate in the UHF range.
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The TV is equipped with a touch device for selecting 6 preset programs, there are APCG, AGC, headphone and tape recorder jacks, speaker shutdown.
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Thanks to the pulsed power supply unit and new elements, the TVs have a small weight of 25 kg and a reduced power consumption of 40 W.
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The sensitivity of the model is 55 μV.
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Image size 362x482 mm.
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Resolution in the center horizontally 600, vertically 550 lines.
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The maximum brightness of the picture tube is 150 cd / m2.
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The maximum output power of the audio channel is 2.5 W.
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The range of reproducible sound frequencies is 100 ... 12500 Hz.
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Deviation of the mains voltage from the norm 164 ... 260 volts.
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The price of a TV without the `` D '' index is 330 rubles.
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Since 1988, the plant has been producing a new TV set "Foton-234-1" in design and design, with the exception of minor changes in its circuit (IF and LF) similar to that described.
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