UHF prefix `` P-SK-D-5-1 ''.
Service devices.UHF prefix "P-SK-D-5-1" from the 1st quarter of 1987 was produced by several factories in the country. The P-SK-D-5-1 prefix is designed to work with TVs of any type and class for receiving TV programs in the UHF range without their additional alteration. In the zone of confident reception of a television center or a repeater on any of the decimeter range channels (channels 21 to 41), the set-top box receives signals from television studios and converts them into signals of the meter range (channels 1 or 2 of the MW range). As a receiving antenna, it is necessary to use a television antenna of the decimeter range produced by the industry with the appropriate cable. The P-SK-D-5-1 prefix was produced by several factories, the cities of which can be easily identified by the name of the prefix: Rostov-Don, Zhiguli, Bryansk, Saratov ',' 'Dvina' ', Rubin' '... Main technical characteristics: Range of received frequencies - 470 ... 640 MHz. The input of the set-top box is unbalanced 75 Ohm. Sensitivity not less than 70 µV. Supply voltage ~ 220 V. Power consumption is about 5 W.
