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Proceedings Paper

New share-buffered direct-injection readout structure for infrared detector
Author(s): Chung-Yu Wu; Chih-Cheng Hsieh; Far-Wen Jih; Tai Ping Sun; Sheng-Jehn Yang
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Paper Abstract

A new current readout circuit for infrared (IR) detectors, called the share-buffered direct- injection (SBDI) circuit, is proposed and analyzed. It is found that the proposed SBDI readout structure can achieve the high readout performance as the conventional buffered direct- injection structure (BDI), but only with half chirp area and power dissipation. A new output stage with a dynamic discharge structure is also used to overcome the conventional readout speed bottleneck. It is clearly shown through the analysis that the proposed SBDI structure and the associated design technique can be applied to the readout circuit design of the two- dimensional focal plane array and achieve the same performances as the one-dimensional BDI structure.

Paper Details

Date Published: 1 November 1993
PDF: 8 pages
Proc. SPIE 2020, Infrared Technology XIX, (1 November 1993); doi: 10.1117/12.160581
Show Author Affiliations
Chung-Yu Wu, National Chiao Tung Univ. (Taiwan)
Chih-Cheng Hsieh, National Chiao Tung Univ. (Taiwan)
Far-Wen Jih, Chung Shang Institute of Science and Technology (Taiwan)
Tai Ping Sun, Chung Shang Institute of Science and Technology (Taiwan)
Sheng-Jehn Yang, Chung Shang Institute of Science and Technology (Taiwan)

Published in SPIE Proceedings Vol. 2020:
Infrared Technology XIX
Bjorn F. Andresen; Freeman D. Shepherd, Editor(s)

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