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The QHY50GX uses On Semiconductor (Kodak) KAF−50100 Image Sensor, a high performance, 50- megapixel CCD. Based on the TRUESENSE 6.0 micron Full Frame CCD Platform, the sensor features ultra-high resolution, broad dynamic range, and a four-output architecture. A lateral overflow drain suppresses image blooming, while an integrated Pulse Flush Gate clears residual charge on the sensor with a single electrical pulse. A Fast Dump Gate can be used to selectively remove a line of charge to facilitate partial image readout.
The sensor also utilizes the TRUESENSE Transparent Gate Electrode to improve sensitivity compared to the use of a standard front side illuminated polysilicon electrode. The full imaging array is read out of four outputs, each of which is driven by a low impedance two stage source follower that provides a high conversion gain. This combination enables low noise at a net readout rate of 12 MHz (3 MHz per output).
|Type:||Camera CCD raffreddata|
|Resolution||8176 x 6132|
|Sensor dimensions (mm)||49.1 x 36.8|
|Sensor diagonal (mm)||61|
|Pixels dimensions (µm)||6|
|A/D converter||12 bit|
|Cooling||-40°C rispetto a T ambientale|
|Readout Noise (e-)||1.3-1.7|
|ST4 integrated autoguide port||No|
|Connection to PC||No|