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TC245 Fiches technique(PDF) 8 Page - Texas Instruments |
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TC245 Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 19 page TC245 786- × 488-PIXEL CCD IMAGE SENSOR SOCS019A – DECEMBER 1991 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 spurious-nonuniformity specification The spurious-nonuniformity specification of the TC245 CCD grades – 10, – 20, – 30, and – 40 is based on several sensor characteristics: • Amplitude of the nonuniform pixel • Polarity of the nonuniform pixel – Black – White • Location of the nonuniformity (see Figure 7) – Area A – Element columns near horizontal center of the area – Element rows near vertical center of the area – Area B – Up to the pixel or line border – Up to area A – Other – Edge of the imager – Up to area B • Nonuniform pixel count • Distance between nonuniform pixels • Column amplitude The CCD sensors are characterized in both an illuminated condition and a dark condition. In the dark condition, the nonuniformity is specified in terms of absolute amplitude as shown in Figure 8. In the illuminated condition, the nonuniformity is specified as a percentage of the total illumination as shown in Figure 9. B A 20 Pixels 11 Lines 18 Pixels Lines 7 377 Pixels 233 Lines Figure 7. Sensor-Area Map |
Numéro de pièce similaire - TC245 |
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Description similaire - TC245 |
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