Physics
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007nimpa.573..253w&link_type=abstract
Nuclear Instruments and Methods in Physics Research Section A, Volume 573, Issue 1-2, p. 253-256.
Physics
Charge-Coupled Devices, Image Detectors, And Ir Detector Arrays, Photodetectors
Scientific paper
Results are described from a high-stability multi-CCD demonstration focal plane assembly developed by MSSL under ESA contract, using new large-format CCD42-C0s from e2v technologies. Space-based planetary-transit hunting and asteroseismology missions such as ESA's Eddington and NASA's Kepler require large multi-CCD focal planes with a stringent requirement on stability, both thermal and electronic. Other significant requirements are wide dynamic range and a moderately high readout rate of ˜1.2 Mpix s-1 per output (in this case using a 16 bit CCD signal processor ASIC from CCLRC RAL). The high digital data rate (Eddington has in total ˜3 focal planes each with 12 output chains) is achieved using SpaceWire links. The demo-FPA is flight-representative in terms of performance, mass, power and component selection. This work provides real-world data for future ESA studies. It is also compatible with the Gaia radial velocity spectrometer (RVS) focal plane, which has many similar requirements.
Bonhomme Peter M.
Card Robert P.
Davison Gary P.
Guttridge Philip R.
Hailey Mark R.
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