FIELD: TV devices. SUBSTANCE: device has analog-to-digital converter 1, two delay units 2 and 6, subtracter 3, upper frequency filter 4, two multipliers 5 and 8, two tracing low-pass filter 7 and 11, differentiating unit 9, two control signal generators 10 and 12, band-pass filter 13, frequency detector 14, frequency-modulated signal source 15. EFFECT: decreased distortions of brightness and color signals. 1 dwg
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