基于APV25多通道读出电子学系统设计

介绍了基于APV25芯片的多通道读出电子学系统的设计方法,利用ASIC芯片与可扩展读出系统相结合,实现多通道信号的处理。在该系统中,基于PXI机箱的单个读出板可实现2 048路信号的读出及处理,并具有集成度高、低功耗、可扩展等优点。电子学测试结果表明,本系统电荷输入线性动态范围为0~12 fC,APV25等效输入噪声408 e,可适应大型物理实验微结构气体探测器、硅像素探测器等探测器的读出需求。

An APV25 based Multi-Channel Readout Electronics System

This article describes an APV 25 chip based readout electronics system .This system combines ASIC chip with scalable readout system to achieve multi -channel signal processing .With large number of channels , high integration ,low power consumption and scalability , this system can digitize 16 APV25 signal readouts ,total 2 048 detector channels with a single PXI chassis readout board .After testing ,the system electronics reached a linear dynamic range 0~12 fC,APV25 equivalent input noise 408 e.This system can effectively adapt MPGD ( Micro Mesh Gaseous structure ) ,silicon pixel detector and other detectors in large -scale physics experiments , especially for those systems with large number of channels .