A Dual-Mode Analog Front-End With Subrange Method for LiDAR Receiver

被引：0
|
作者：
Ma J. [1 ]
Hu J. [1 ]
Li D. [1 ]
Wang X. [1 ]
Liu Y. [1 ]
Ma R. [1 ]
Zhu Z. [1 ]
机构：
[1] Xidian University, Key Laboratory of Analog Integrated Circuits and Systems (Ministry of Education), School of Integrated Circuits, Xi'an,710071, China
来源：
IEEE Transactions on Circuits and Systems II: Express Briefs | 2024年 / 71卷 / 10期
关键词：
2/3-D fusion; Analog front-end; Circuits; Delays; Distance measurement; dualmode; Laser pulses; Laser radar; Logic gates; optical dynamic range; Single-photon avalanche diodes; subrange;
D O I：
10.1109/TCSII.2024.3400314
中图分类号：
学科分类号：
摘要：
This brief describes a dual-mode analog front-end (AFE) with a compact structure. Based on the proposed combined subrange method, the intensity and distance information of the target can be obtained simultaneously through the AFE. And 30 m ranging can be achieved. In addition, the dynamic range of 136 dB is obtained by mode configuration on AFE circuit. The proposed AFE is fabricated in 55 nm CMOS technology and can be extended to dual-mode optical sensors in array format for 2/3-D imaging and data fusion. IEEE
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