用于SPAD阵列的紧凑快速检测淬火电路

2017 International Conference on Electron Devices and Solid-State Circuits (EDSSC) Pub Date : 2017-10-01 DOI:10.1109/EDSSC.2017.8126489

Lixia Zheng, Guangchao Zhang, Jin Wu, Huan Hu, Weifeng Sun

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引用次数: 1

摘要

提出了一种新颖的单光子雪崩二极管有源猝灭电路。采用基于偏置控制方案的差分放大电路实现雪崩信号的快速判别。为了节省晶片面积，使用电压控制晶体管作为感测电阻。与其他传统电路相比，该电路不需要参考电压，可以实现低阈值电压比较。因此，它保留了面积小、检测速度快的优点，可以应用于阵列场合。

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Compact and rapid detection quenching circuit for SPAD arrays

An innovative active-quenching circuit for single photon avalanche diode is presented. A differential amplification circuit based on offset control scheme is adopted to realize rapid avalanche signal discrimination. In order to save the die area, a voltage-controlled transistor acting as a sensing resistance is used. Compared with other traditional circuits, the proposed circuit does not need reference voltage and can realize low threshold voltage comparison. Therefore, it preserves the advantages of compact area and rapid detection, which can be applied in array situation.

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来源期刊

2017 International Conference on Electron Devices and Solid-State Circuits (EDSSC)

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