27 July 2016 ISDEC-2 and ISDEC-3 controllers for HAWAII detectors
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Abstract
ISDEC-2 - IUCAA1 SIDECAR Drive Electronics Controller is an alternative for Teledyne make JADE2 based controller for HAWAII detectors. It is a ready to use complete package and has been developed keeping in mind general astronomical requirements and widely used observatory set-ups like preferred OS-Linux , multi-extension fits output with fully populated headers (with detector as well as telescope and observation specific information), etc. Actual exposure time is measured for each frame to a few tens of microsecond accuracy and put in the fits header. It also caters to several application specific requirements like fast resets, strip mode, multiple region readout with on board co-adding, etc. ISDEC-2 is designed to work at -40 deg. and is already in use at observatories worldwide. ISDEC-3 is an Artix-7 FPGA based SIDECAR Drive Electronics Controller currently being developed at IUCAA. It will retain all the functionality supported by ISDEC-2 and will also support the operation of H2RG in continuos, fast (32 output, 5 MSPS, 12 bit) mode. It will have a 5 Gbps USB 3.0 PC interface and 1 Gbps Ethernet interface for image data transfer from SIDECAR to host PC. Additionally, the board will have DDR-3 memory for on-board storage and processing. ISDEC-3 will be capable of handling two SIDECARs simultaneously (in sync) for H2RG slow modes.
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Mahesh Burse, Mahesh Burse, A. N. Ramaprakash, A. N. Ramaprakash, Pravinkumar Chordia, Pravinkumar Chordia, Sujit Punnadi, Sujit Punnadi, Kalpesh Chillal, Kalpesh Chillal, Vilas Mestri, Vilas Mestri, Rupali Bharti, Rupali Bharti, Sakya Sinha, Sakya Sinha, Abhay Kohok, Abhay Kohok, } "ISDEC-2 and ISDEC-3 controllers for HAWAII detectors", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 991526 (27 July 2016); doi: 10.1117/12.2232510; https://doi.org/10.1117/12.2232510
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