FIELD: television equipment. SUBSTANCE: device is meant for design of decoders of SECAM system. It includes delay line 1, subtracter 2, three band-pass filters 3, 11, 14, frequency discriminator 4, demodulator 5, three mixers 6, 10, 13, differentiating unit 7, time interval-to-amplitude converter 8, two retunable low-pass filters 9, 12. EFFECT: improved quality of separation of brightness and chromaticity signals with large swings of color-differentiating signals. 1 dwg
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Authors
Dates
1994-05-15—Published
1991-02-19—Filed