Four-kiloframe 14-bit 128x128 digital imaging spectrometer

William J. Mandl

doi:10.1117/12.455120

8 February 2002 Four-kiloframe 14-bit 128x128 digital imaging spectrometer

William J. Mandl

Proceedings Volume 4486, Infrared Spaceborne Remote Sensing IX; (2002) https://doi.org/10.1117/12.455120
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

A digital readout for a 128 by 128 MWIR focal plane using InSb detectors was developed for imaging spectrometry. There are a total of 16,384 oversample A/D converters on the chi p that provide a 14 bit linear data output at a nominal frame rate of 4,000 samples per second. An early prototype design was completed and tested without detectors and found to meet all requirements. A second iteration is in final hybrid assembly for demonstration where it will be mounted in a dewar with optics. The device is designed to work with a 3.3 volt power supply with on chip A/D power consumption of under 50 milliwatts. This technology was developed under a SBIR program sponsored by US Air Force, Arnold Air Force Base.

Citation Download Citation

William J. Mandl "Four-kiloframe 14-bit 128x128 digital imaging spectrometer", Proc. SPIE 4486, Infrared Spaceborne Remote Sensing IX, (8 February 2002); https://doi.org/10.1117/12.455120

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