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NTE7150 Datasheet(PDF) 3 Page - NTE Electronics |
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NTE7150 Datasheet(HTML) 3 Page - NTE Electronics |
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3 / 8 page  AC Characteristics (Cont’d): VCC = 9V, Logic VCC = 3.3V, TA = +25°C unless otherwise specified) Parameter Test Conditions Min Typ Max Unit Video Section (Cont’d) Sharpness Control Maximum Gain Input 2T pulse VBS to TP60 and TP63. Measure 3.5 5.5 7.5 dB Center Gain 2T pulse output gain of data = 3FH, 20H, and 00H. 0dB is equal to the output gain of sharpness 0.5 1.5 3.5 dB Minumim Gain 00H. 0dB is equal to the output gain of sharpness SW OFF. –3 –1 +1 dB YNR Gain –20 –13 –8 dB Contact Control Center Gain Measure Y output gain of data = 40H and 00H. –4.0 –5.5 –7.0 dB Minimum Gain Maximum Y gain is 0dB. –17 –19 –21 dB g Point Va 40 50 60 IRE Vb 80 90 100 IRE g Gain Ga –1 –3 –5 dB Gb –4 –6 –8 dB Y Signal to Noise Ratio 50 55 60 dB Chroma Section 1 (PAL/NTSC) ACC Output Characteristics e300 Input rainbow signal whose burst and chroma 260 370 520 mVP–P e100 signal level is 300mVP–P and 100mVP–P. Measure sugnal amplitude at Pin41. 260 370 520 mVP–P ACC Flatness 3300/e100 0.9 1.0 1.1 Killer–On Level PAL Input color bar signal. Measure burst amplitude 0.2 0.5 1.0 mVP–P NTSC at which color begins to disappear when burst is gradually reduced. 0.2 0.5 1.0 mVP–P Killer–Off Level PAL Input color bar signal. Measure burst amplitude 1.0 2.5 4.0 mVP–P NTSC at which color begins to be tinted when burst is gradually increased from 0. 1.0 2.5 4.0 mVP–P APC Pull–In Range 3.58MHz fo = 3.579545MHz ±300 ±500 ±1000 Hz 4.43MHz fo = 4.433619MHz ±300 ±500 ±1000 Hz M PAL fo = 3.575611MHz ±300 ±500 ±1000 Hz VCXO Freq Control Sensitivity 4.43MHz Fix X–tal mode with bus. Measure frequency 1.7 2.4 3.2 Hz/mV 3.58MHz changes at TP28 when varying TP26 voltage from 6.2V to 6.3V. 1.5 2.2 3.0 Hz/mV M PAL from 6.2V to 6.3V. 1.8 2.5 3.3 Hz/mV fsc Output Amplitude 4.43MHz Fix X’tal mode with bus. Measure signal 130 150 170 mVP–P 3.58MHz amplitude at TP28. 120 140 160 mVP–P fsc Output Voltage 4.43MHz Fix X’tal mode with bus. Measure DC voltage at 3.6 3.9 4.2 V 3.58MHz TP28. 2.8 3.1 3.4 V B–Y Output Amplitude 4PAL Input rainbow signal. Measure signal amplitude 260 370 520 mVP–P 3NTSC at Pin41. 260 370 520 mVP–P |
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