Journal of Infrared and Millimeter Waves, Volume. 43, Issue 2, 268(2024)
Low noise ROIC integrated with correlated double sampling with adjustable intervals for hyperspectral applications
Fig. 1. Acquisition of hyperspectral data: (a) hyperspectral data cube; (b) schematic diagram of a hyperspectral imaging system
Fig. 2. Correlated double sampling: (a) structure of CDS; (b) timing diagram of CDS,equivalent circuits: (c) reset of
Fig. 3. 1/f Noise Spectral Density reshaped by CDS with different
Fig. 4. Structure of combined CTIA-CDS ROIC: (a) the schematic structure; (b) equivalent model structure
Fig. 6. Timing diagram and node voltage of the proposed ROIC pixel
Fig. 14. Structure of CDS test: (a) the schematic structure;(b) timing diagram
Fig. 15. The output voltage acquisition: (a) the grayscale map over 640×512 array when CDS-off;(b) the grayscale map over 640×512 array when CDS-on,the output noise acquisition;(c) the histogram of 16×16 segment when CDS-off;(d) the histogram of 16×16 segment when CDS-on
Fig. 16. The output noise voltage in condition of (a) CDS off and (b) varying ratio
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Shuang WU, Qing-Hua LIANG, Hong-Lei CHEN, Rui-Jun DING. Low noise ROIC integrated with correlated double sampling with adjustable intervals for hyperspectral applications[J]. Journal of Infrared and Millimeter Waves, 2024, 43(2): 268
Category: Research Articles
Received: Aug. 23, 2023
Accepted: --
Published Online: Apr. 29, 2024
The Author Email: Rui-Jun DING (dingrj@mail.sitp.ac.cn)