Fast readout of CCD images
Conference
·
OSTI ID:5992268
A new fast serial readout system for CCD imaging devices is described. Clock frequency of up to 65 MHz and 1 ..mu..s line transfer time make possible frame rates of approximately 500/s. A baseline stabilized video amplifier and fast peak stretcher also make possible high resolution frame readout with excellent dynamic range. It uses a fast dump readout sequence which clears the analog registers prior to the image charge transfer from the photoelements. The charge of any preset pixel can be individually extracted, its peak stretched, and the noise distribution measured by a multichannel pulse-height analyzer. Photographs of test pattern readouts at high clock frequencies are shown and the effect of clock and frame readouts rates and temperature on noise distribution have been measured.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 5992268
- Report Number(s):
- LBL-18557; CONF-841007-38; ON: DE85004901
- Country of Publication:
- United States
- Language:
- English
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