TC90A80F 3-Line Digital Comb Filter

TC90A80F 3-Line Digital Comb Filter

www.DataSheet4U.com TC90A80N/F TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC90A80N,TC90A80F 3-Line Digital Comb Filter for VCR, YNR/CNR, and Skew Correctors (NTSC) The TC90A80N/F is a 3-line digital Y/C (luminance/ chrominance) separation IC for VCR. In addition to YNR and CNR used.

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• TV format: NTSC (3.58) Dynamic comb filter YNR circuit CNR circuit Luminance signal non-linear vertical edge corrector (with coring function) Luminance signal horizontal frequency characteristic corrector (with coring function) Luminance signal line noise canceller Record/playback input switch circuit (switches between Y/C and Y inputs) Y and C input pins, independently one another (Y: sync tip clamp; C: center bias) Re-mixer circuit after Y/C sharpness processing Skew detector and correctors (NTSC ×5 Mode: in units of 0.2 H) 8-bit 4 fsc AD converter (2 chan.