粒子辐射探测器负高压电源取样电路设计  

Design of Sampling Circuit in Negative High Voltage Unit in Particle Detector

作　　者：于向前[1] 陈鸿飞[1] 邹鸿[1] 邹积清[1] 施伟红[1] 仲维英[1] 

机构地区：[1]北京大学地球与空间科学学院空间物理与应用技术研究所,北京100871

出　　处：《核电子学与探测技术》2011年第1期31-33,共3页Nuclear Electronics & Detection Technology

基　　金：国家自然科学基金面上项目(40674097)资助;北京市教委共建项目(XK100010404)资助。

摘　　要：利用辅助线圈来实现粒子辐射探测器负高压电源取样电路。以理论分析和PSpice仿真分析为基础对取样电路进行设计。设计的负高压电源供电电压为+12V,输出电压-160V,占空比6.45%,0～18μA负载调整率8.8‰,供电电压调整率3.9‰,纹波系数3.1‰。实验结果与理论分析和PSpice仿真分析相吻合,可以为设计这方面的电路提供参考。A kind of Sampling Circuit in negative High Voltage Unit （HVU） , which is used to provide the bias voltage to the solid detectors, is designed by using Auxiliary Winding. The Sampling Circuit is designed base on theoretical analysis and PSpice simulation analysis. In the design of HVU, the specifications are ： input voltage ＋ 12 V, output voltage -160 V, pulse- space rate 6.45%, 0 -18 （A load regulation 8.8, voltage regulation3.9 , ripple coefficient is 3.1 . The theoretical analysis and PSpice simulation analysis are agreed to the experiments, so that this method can be a useful reference for such power supply design.

关 键 词：辐射探测器 负高压电源 取样电路 辅助线圈 

分 类 号：TL825[核科学技术—核技术及应用]