Implementation of a charge integration system in a low background application

Details Implementation of a charge integration system in a low background application Implementation of a charge integration system in a low background application

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1235...34c&link_type=abstract

IN: Instrumentation in astronomy VII; Proceedings of the Meeting, Tucson, AZ, Feb. 13-17, 1990 (A91-29601 11-35). Bellingham, WA

Astronomy and Astrophysics

Astronomy

9

Amplifiers, Indium Antimonides, Infrared Detectors, Infrared Spectrometers, Integrated Circuits, Noise Reduction, Algorithms, Cryogenic Cooling, Field Effect Transistors, Real Time Operation

Scientific paper

This paper describes an implementation of a recently developed charge amplifier, called Integration Amplifier, in the UKIRT 7 channel spectrometer (CGS2), resulting in the conversion of the CGS2 from the traditional transimpedance amplifier to a commercial charge integration scheme. Also described is a new data acquisition system; the news system allowed the implementation of a noise reduction algorithm which is a mojor factor in the improved sensitivity of CGS2. The noise reduction algorithm is presented together with a system diagram of CGS2.

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