地偏移干扰产生原因及解决方案  

Cause and Solution of Ground Offset Interference

作　　者：庞晓锋[1] PANG Xiaofeng

机构地区：[1]上海汽车集团股份有限公司技术中心,上海201804

出　　处：《上海汽车》2022年第9期44-48,共5页Shanghai Auto

摘　　要：在汽车数字化的潮流下,模拟信号依然由于其成熟可靠、价格低廉的优势在整车电器系统中占有一席之地。文章分析了地偏移对模拟信号产生干扰的机理,并提出了多种解决方案,对提高设计质量和提升用户体验具有指导意义。In the trend of automobile digitization,analog signal still occupies a place in the vehicle electrical system because of its advantages of mature,reliable and low price.The interference mechanism of the ground offset to the analog signal is analyzed,and a variety of solutions are put forward,which has guiding significance for improving the design quality and user experience.

关 键 词：地偏移 干扰 差分放大器 

分 类 号：U463.6[机械工程—车辆工程]