应用于气体电子倍增器的电子学板研制

气体电子倍增器（GEM）电子学板（GEB）在大面积GEM探测器系统中起重要作用。为满足大面积GEM探测器系统中高速电子学信号的传输、实现电磁屏蔽及为前端电子学提供电源等需求，本文设计了8层结构的GEB，并对该GEB原型进行了电气性能、机械兼容性、信号传输和噪声测试。测试结果显示，本文所设计的GEB在320 Mb/s信号传输速度下的误码率小于10^-13，在保证信号高速性和完整性的基础上能成功传输前端电子学信号；通过采用叠层对称式设计克服了大面积GEB生产时弯曲程度高的困难，生产的GEB原型弯曲高度降低了2/3，平均弯曲高度为1 mm，增强了前端电子学在探测器系统中的运行稳定性。

Design and Prototyping of GEM Electronic Board

GEM electronic board (GEB) plays a very important role in the detector system of large-area GEM detector. In order to meet the requirement of high-speed electronics signal transmission, electromagnetic shielding and power supply for the front-end electronics in GEM detector system, the large-area GEB with an 8-layer structure was designed in this paper, and the electrical performance test, mechanic compatibility test, signal transmission and noise level test were conducted on the GEB prototypes. The test results show that the bit error rate of signal transmission at the speed of 320 Mb/s is less than 10^-13 on GEB, which verifies that the signals are successfully transmitted on front-end electronics on the basis of keeping signal high-speed and integrity. The symmetry stack-up design of GEB overcomes the difficulty of high degree bending in the production of large-area electronic boards, its bending value is greatly reduced by 2/3, and the average bending value is 1 mm, which enhances operational stability of the front-end electronics in the GEM detector system.