New design concepts for compact CCD controllers

Details New design concepts for compact CCD controllers New design concepts for compact CCD controllers

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..627..616b&link_type=abstract

IN: Instrumentation in astronomy VI; Proceedings of the Meeting, Tucson, AZ, Mar. 4-8, 1986. Part 2 (A87-36376 15-35). Bellingha

Astronomy and Astrophysics

Astronomy

1

Charge Coupled Devices, Cryostats, Design Analysis, Numerical Control, Radio Astronomy, Radio Telescopes, Analog To Digital Converters, Architecture (Computers), Cmos, Data Acquisition, Preamplifiers

Scientific paper

For the 4.2-m William Herschel Telescope (WHT) to be erected at the Roque de los Muchachos Observatory on La Palma, a conceptual prototype-integrated CCD controller has been developed. It has been demonstrated that preamplifier noise-limited system performance of 5 nV/sq rt Hz can be obtained with a compact low power controller that uses switched mode power supplies throughout. This performance has been realized by applying a differential preamplifier with balanced outputs between the CCD in the cryostat and the correlated double sampler in the controller, realizing over 100 dB common mode rejection.

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