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KB2502 датащи(PDF) 13 Page - Samsung semiconductor |
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KB2502 датащи(HTML) 13 Page - Samsung semiconductor |
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13 / 62 page ![]() KB2502 VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS 12 Preliminary OSD ELECTRICAL CHARCTERISTICS (Tamb = 25 °C, V CC = 12V, VDD = VDDA = 5V, HFLB input voltage = S3, load rosistors = 470Ω, V-AMP test registor’s FBLK, OSD input conditions unless otherwise stated) Table 7. OSD Electrical Chaacteristics Parameter Symbol Conditions Value Unit Min Typ Max OSD contrast max. output voltage Vocff 08 = FFH OSD RGB output conditions 5.4 6.4 7.4 Vpp OSD contrast max. output channel difference ∆ Vocff ∆ 10 - - % OSD contrast center output voltage Voc80 08 = 80H OSD RGB output conditions 2.7 3.2 3.7 Vpp OSD contrast center output channel difference ∆ Voc80 ∆ 10 - - % R/G/B OSD rising time tr (OSD) 08: FFH - 4.0 5.0 ns R/G/B OSD falling time tf (OSD) - 4.0 5.0 ns HT video level HTvideo ABL = 6V RGB input = S1 03, 05 ~ 08: FFH 0D: 01H OSD black conditions input HTvideo = 20log(Vhtvideo/Vcff) -6.0 -4.5 -3.0 dB HT video output channel difference ∆ HTvideo ∆ 15 - - % HT OSD level HTosd ABL = 6V 05 ~ 08: FFH 0D: 0FH OSD white condition input HTosd = 20log (Vhtosd/Vocff) -7.0 -5.5 -4.0 dB HT OSD output channel difference ∆ HTosd ∆ 15 - - % |
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