Reconfigurable focal plane electronics for advanced all-digital focal plane sensors in space applications

Sandor Demosthenes; Robert H. Philbrick; John A. Frye; David T. Ellis

doi:10.1117/12.2312168

6 July 2018 Reconfigurable focal plane electronics for advanced all-digital focal plane sensors in space applications

Sandor Demosthenes, Robert H. Philbrick, John A. Frye, David T. Ellis

Proceedings Volume 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII; 107092O (2018) https://doi.org/10.1117/12.2312168
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

A reconfigurable set of focal plane control electronics has been developed that can operate a broad range of advanced all-digital focal planes in space- and ground- based applications. To date, the reconfigurable focal plane electronics (RFPE) have successfully operated 7 different state-of-the-art all-digital ROICs from multiple suppliers, including Teledyne Imaging Systems, BAE, and others. The payload is approximately 7.9” x 4.5” x 7.6”, is fully redundant, dissipates between 5 and 25 watts, depending on the sensor and application, and is user programmable after launch. The RFPE has been demonstrated operating sensors with aggregate digital output rates up to 33 Gbits/s, but it supports rates up to 50 Gbits/s. An integrated programmable micro-sequencer generator enables users to create and store dozens of complex image data collection scenarios and modify or add to those once on orbit. Lossy and lossless image compression, pixel level gain and offset (a.k.a. NUC) correction, frame co-adding, decoding/encoding of cyclical redundancy check sensor data, and bad pixel correction are a few of the image processing features that have been demonstrated to date. Bias sources are programmable and include over-voltage and over-current protection to safeguard mission critical image sensors. Enhancements under development include the addition of graphical processors and a large cache of solid state memory. This paper describes the current and planned capabilities of the RFPE payload.

Citation Download Citation

Sandor Demosthenes, Robert H. Philbrick, John A. Frye, and David T. Ellis "Reconfigurable focal plane electronics for advanced all-digital focal plane sensors in space applications", Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 107092O (6 July 2018); https://doi.org/10.1117/12.2312168

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KEYWORDS

Electronics

Sensors

Space operations

Staring arrays

Image processing

Image compression

Field programmable gate arrays

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