DigiCam: fully digital compact camera for SST-1M telescope
2014
The single mirror Small Size Telescopes (SST-1M), being built by a sub-consortium of Polish and Swiss Institutions of
the CTA Consortium, will be equipped with a fully digital camera with a compact photodetector plane based on silicon
photomultipliers. The internal trigger signal transmission overhead will be kept at low level by introducing a high level
of integration. It will be achieved by massively deploying state-of-the-art multi-gigabit transceivers, beginning from the
ADC flash converters, through the internal data and trigger signals transmission over backplanes and cables, to the
camera’s server 10Gb/s Ethernet links. Such approach will allow fitting the size and weight of the camera exactly to the
SST-1M needs, still retaining the flexibility of a fully digital design. Such solution has low power consumption, high
reliability and long lifetime. The concept of the camera will be described, along with some construction details and
performance results.
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