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Radio constructor "Fon-6" since 1989 produced the Moscow plant "Elling". The "Von-6" set is a complete RF and IF path for a VHF-FM radio receiver on the range 65.8 ... 74 MHz, providing a noise-limited sensitivity of 5 µV with a signal-to-noise ratio of 26 dB. Single-signal selectivity on the image channel is 32 dB, on the IF 42 dB. The radio path is assembled on a KT368AM transistor (RF amplifier) "‹"‹and a K174PS1 microcircuit (local oscillator and mixer). Chip K174HA6 performs the functions of the HRO and detector. It is preceded by the IF amplifier with 2 KT368AM transistors. The use of the K174XA6 microcircuit ensures the operation of the AFC (in the UHF and local oscillator, electronic tuning for frequency), silent tuning for the radio station. The supply voltage of the unit is 15 V. The current consumption is about 30 mA. Using the set together with the sets "Background-7", "Background-8", "Background-9", Background-10 "and" Background-11 "you can assemble a high-quality stereo VHF-FM receiver.