【摘要】 介绍了一种用于溴化镧(LaBr3)探测器的小型多道采集电路的设计。详细介绍了电路的整体设计方案,特别对基线恢复和峰值保持电路进行了方案对比分析并给出了低功耗的设计。该系统以CPLD为核心实现复杂的数字逻辑控制,用CPLD替代分立器件实现了堆积判弃功能。最后通过实测给出主要技术指标。更多还原

【Abstract】 It presents a small-size multi-channel data acquisition circuit for LaBr3 detector and describes in detail whole scheme design of the hardware circuit.Several schemes for baseline restorer and peak holder are discussed and low power design is given.The system taking CPLD as core implements the complex logic control.The pile up rejection circuit is realized using CPLD instead of discrete components.The main specifications are given by actual measurement.更多还原