Researching | A high performance TDI readout circuit for scanning type infrared sensor

Infrared and Laser Engineering, Volume. 50, Issue 11, 20210072(2021)

A high performance TDI readout circuit for scanning type infrared sensor

Zhenxiang Wang¹ and Kai Hu²

Author Affiliations

¹School of Microelectronics, Tianjin University, Tianjin 300072, China

²School of Integrated Circuit Science and Engineering, Tianjin University of Technology, Tianjin 300072, China

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Figures & Tables(9)

Fig. 1. Block diagram of detector and ROIC

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Fig. 2. Detail circuit diagram of CTIA

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Fig. 3. Simulated linearity of CTIA

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Fig. 4. TDI schematic

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Fig. 5. Timing diagram of TDI

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Fig. 6. Simplified diagram of output buffer

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Fig. 7. Odd and even column layout of ROIC

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Fig. 8. Captured output voltage from CTIA pixel circuit

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Table 1. Injected input & captured output from TDI stage
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Table 1. Injected input & captured output from TDI stage
Input 1/V Input 2/V Input 3/V Output/V
0.5 0.5 1 0.66
0.8 0.8 1 0.86
1 1 1 0.99
1.2 1.2 1 1.13
1.5 1.5 1 1.16

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Zhenxiang Wang, Kai Hu. A high performance TDI readout circuit for scanning type infrared sensor[J]. Infrared and Laser Engineering, 2021, 50(11): 20210072

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Paper Information

Category: Infrared technology and application

Received: Jan. 27, 2021

Accepted: --

Published Online: Dec. 7, 2021

The Author Email:

DOI:10.3788/IRLA20210072

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology