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Proceedings Paper

High dynamic range low-noise focal plane readout for VLWIR applications implemented with current mode background subtraction
Author(s): Guang Yang; Chao Sun; Timothy Shaw; Christopher J. Wrigley; Pavani Peddada; Edward R. Blazejewski; Bedabrata Pain
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Paper Abstract

Design and operation of a low noise CMOS focal pa;ne readout circuit with ultra-high charge handling capacity is presented. Designed for high-background, VLWIR detector readout, each readout unit cell use an accurate dynamic current memory for automatic subtraction of the dark pedestal in current domain enabling measurement of small signals 85 dB below the dark level. The redout circuit operates with low-power dissipation, high linearity, and is capable of handling pedestal currents up to 300 nA. Measurements indicate an effective charge handling capacity of over 5 X 109 charges/pixel with less than 105 electrons of input referred noise.

Paper Details

Date Published: 14 September 1998
PDF: 10 pages
Proc. SPIE 3360, Infrared Readout Electronics IV, (14 September 1998); doi: 10.1117/12.321761
Show Author Affiliations
Guang Yang, Jet Propulsion Lab. (United States)
Chao Sun, Jet Propulsion Lab (United States)
Timothy Shaw, Jet Propulsion Lab. (United States)
Christopher J. Wrigley, Jet Propulsion Lab. (United States)
Pavani Peddada, Jet Propulsion Lab. (United States)
Edward R. Blazejewski, Jet Propulsion Lab. (United States)
Bedabrata Pain, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 3360:
Infrared Readout Electronics IV
Bedabrata Pain; Terrence S. Lomheim, Editor(s)

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