New share-buffered direct-injection readout structure for infrared detector

Chung-Yu Wu; Chih-Cheng Hsieh; Far-Wen Jih; Tai Ping Sun; Sheng-Jehn Yang

doi:10.1117/12.160581

1 November 1993 New share-buffered direct-injection readout structure for infrared detector

Chung-Yu Wu, Chih-Cheng Hsieh, Far-Wen Jih, Tai Ping Sun, Sheng-Jehn Yang

Proceedings Volume 2020, Infrared Technology XIX; (1993) https://doi.org/10.1117/12.160581
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

Citation Download Citation

Chung-Yu Wu, Chih-Cheng Hsieh, Far-Wen Jih, Tai Ping Sun, and Sheng-Jehn Yang "New share-buffered direct-injection readout structure for infrared detector", Proc. SPIE 2020, Infrared Technology XIX, (1 November 1993); https://doi.org/10.1117/12.160581

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