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LV4150W Datasheet(PDF) 4 Page - Sanyo Semicon Device |
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LV4150W Datasheet(HTML) 4 Page - Sanyo Semicon Device |
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4 / 26 page  LV4150W No.8930-4/26 Continued from preceding page. Ratings Parameter Symbol Conditions min typ max Unit Sub-brightness R change rates SBBRTR Measure the change amount of TP45 output black level when SIG2 is entered in (A) and COMW is changed from 128 to 255 and that of TP45 output white level change amount when COMW is changed from 128 to 0. ±1.3 ±1.7 V Sub-brightness B change rates SBBRTB Measure the change amount of TP40 output black level when SIG2 is entered in (A) and COMW is changed from 128 to 255 and that of TP45 output white level when COMW is changed from 128 to 0. ±1.3 ±1.7 V Gain difference between RGB signals ΔGRGB Determine the level difference of non-inverted output amplitude (white to black) of TP40, TP43, and TP45 when SIG3 is entered to (A). -0.6 0 0.6 dB Sub-contrast R change rate SBCNTR Measure the non-inverted output (white to black) of TP45 for the non-inverted output (white to black) of TP43 when SIG3 is entered to (A) and when R-CNT = 0 and R-CNT = 255. ±2.0 dB Sub-contrast B change rate SBCNTB Measure the non-inverted output (white to black) of TP40 for the non-inverted output (white to black) of TP43 when SIG3 is entered to (A) and when B-CNT = 0 and B-CNT = 255. ±2.0 dB RGB inverted/non-inverted gain difference ΔGINV Determine the difference of inverted output amplitude for the non-inverted output amplitude (white to black) of TP40, TP43, and TP45 when SIG3 is entered to (A). -0.5 0 0.5 dB [RGB signal system] Ratings Parameter Symbol Conditions min typ max Unit Black level potential difference between RGB signals ΔVBL Determine the difference between highest and lowest black levels for inverted and non-inverted outputs of TP40, TP43, and TP45 when SIG3 is entered to (A). 300 mV G γL 23 26 29 dB G γM 12 15 18 dB Gamma gain G γH Enter SIG7 into (A) and set the non-inverted output amplitude (black and white) of TP43 at γ1 = 120, γ2 = 0 to 2.7Vp-p with CONT. Adjust the amplitude (black and white) to 3.5Vp-p with γ2 and the black level to 1.5V with BRT. Measure VG1, VG2 and VG3 and calculate as follows : G γL = 20log (VG1/0.0357) G γM = 20log (VG2/0.0357) G γH = 20log (VG3/0.0357) (See Fig. 4.) 23 26 29 dB V γ1MN 0IRE γ1 adjustment variable range V γ1MX Enter SIG7 to (A) and set the TP43 output (black to black) to 3Vp-p through BRIGHT adjustment. Read the γ gain change point at γ1 = 0, γ1 = 255 by referring to the IRE level of input signal : V γ1MN for γ1 = 0 Vγ1MX for γ1 = 255 100 IRE V γ2MN 100 IRE γ2 adjustment variable range V γ2MX Enter SIG7 to (A) and set the TP43 output (black to black) to 3Vp-p through BRIGHT adjustment. Read the γ gain change point at γ2 = 0, γ2 = 255 by referring to the IRE level of input signal : V γ2MN for γ2 = 0 Vγ2MX for γ2 = 255 0IRE tCOMH 1 1.5 μs Antipole transition time tCOML Enter SIG3 to (A) and set the output amplitude of TP38 to 3Vp-p. Measure tCOMH for rise and tCOML for fall. Load : 1000pF 1 1.5 μs VBLIMN 4.5 Vp-p RGB output black limiter variablerange VBLIMX Enter SIG2 to (A) and measure the amplitude of the black side limiter of inverted/non-inverted TP38, 40, 43 and 45 output. 2 Vp-p VWLIMN 4 Vp-p RGB output white limiter variablerange VWLIMX Enter SIG2 to (A) and measure the amplitude of the white side limiter of inverted/non-inverted TP38, 40, 43 and 45 output. 2.2 Vp-p Continued on next page. |
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