一种APD光电平衡探测器

By combining a DC-DC power module, an LDO power module, a transimpedance amplifier module, and a secondary gain module, the problem of balancing high gain and noise suppression in the APD photoelectric balanced detector is solved, achieving detection effects with lower noise and higher signal-to-noise ratio.

CN122408950APending Publication Date: 2026-07-17NANJING META TECH CENT LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING META TECH CENT LTD
Filing Date
2026-05-18
Publication Date
2026-07-17

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Abstract

本发明公开了一种APD光电平衡探测器，包括DC‑DC电源模块、LDO电源模块、跨阻放大模块和二级增益模块；光信号输入至两路APD光电二极管，DC‑DC电源模块用于为LDO电源模块提供供电电压，LDO电源模块用于为两路APD光电二极管提供正负高偏压，跨阻放大模块用于对所述APD光电二极管输出的光电流信号进行放大并转化为第一电压信号，二级增益模块用于将所述第一电压信号放大并输出第二电压信号。本发明的探测器可以提供更低的电路噪声，实现更高的信噪比。
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