Signal processing system and method for radiation detector based on metal oxide semiconductor (MOS) transistor

US12196898B2 · kind B2 · utility

Assignees

• INSTITUTE OF RADIATION MEDICINE CHINESE ACADEMY OF MEDICAL SCIENCES · CN
• TIANJIN HUAFANG TECHNOLOGY CO., LTD. · CN
• HARBIN ENGINEERING UNIVERSITY, YANTAI RESEARCH INSTITUTE · CN
• TIANJIN ECO-ENVIRONMENTAL MONITORING CENTER · CN

Inventors

• Qiang Liu · Lo Wu, CN
• Zhenhua Lin · Shanghai, CN
• Jinhan Wang · Tianjin, CN
• Kunliang Yao · Tianjin, CN
• Yudong Luo · Tianjin, CN
• Sheng Wu · Los Angeles, US
• Yongjie Wang · Daguantang, CN
• Jianzheng Gao · Tianjin, CN
• Ming Cui · Shandong, CN

Key dates

• Filing date: Jan 4, 2023
• Grant date: Jan 14, 2025
• Expiry date: Sep 21, 2043

Classification

• Technology area (CPC G): Physics
• CPC primary: G01T1/175
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A signal processing system and method for a radiation detector based on a metal oxide semiconductor (MOS) transistor are disclosed. The signal processing system includes a power supply generation module, an analog signal processing module, and a digital signal acquiring-processing module. The power supply generation module provides a novel power supply method, and converts a positive high voltage power supply into a negative high voltage power supply to supply power to a last dynode of a photomultiplier tube (PMT). The analog signal processing module converts a negative current pulse signal into a voltage difference signal. The digital signal acquiring-processing module acquires a signal of the analog signal processing module, and converts the signal into a digital signal for identification.