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CXA1810AQ Datasheet(PDF) 46 Page - Sony Corporation |
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CXA1810AQ Datasheet(HTML) 46 Page - Sony Corporation |
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46 / 53 page  —46— CXA1810AQ/AR 10. PB C cross talk cancellation The playback C signal which passes through the BPF is input after frequency conversion. The feedback chroma comb filter is configured as shown above. By switching modes FBCL1 and FBCL2, the feedback loop gain from the Y comb is changed as shown below. Feedback loop gain When the feedback loop gain is increased the S/N ratio can be improved, but note that color smear in the vertical direction and transient response are both worsen. CCD EQ ATT CLAMP1 VCA1 HPF FBCL1 FBCL2 OUT NOCORRE + EDIT + BF ACK • BF DL OUT1 DL IN1 Playback C signal Playback Y or pseudo-sync C comb Y comb + + + + + + — 21 23 LPF 227ƒH 228ƒH ƒ During editing Feedback loop gain is large FBCL1 High Low FBCL2 High 6.7dB 4.8dB Low 1.9dB 0dB |
Similar Part No. - CXA1810AQ |
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Similar Description - CXA1810AQ |
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