BUCK电路对通信电路的影响  

The Impact of BUCK Circuit on Communication Circuit

作　　者：佟刚 TONG Gang(Shenzhen Ruichepin Technology Co.,Ltd.,Shenzhen 518000,China)

机构地区：[1]深圳市瑞车品科技有限公司,广东深圳518000

出　　处：《汽车电器》2024年第2期75-76,79,共3页Auto Electric Parts

摘　　要：为解决BUCK电路对通信设备灵敏度的影响,文章先对BUCK电路原理进行分析,然后总结出BUCK电路产生干扰的原因并进行系统分析,最后得出解决该问题的方法为:拉长BUCK电路上升沿或下降沿时长;BUCK电路降低振铃频率。通过验证分析,文章给出的实际电路5种解决方法,在应用设计中能明显改善通信电路的灵敏度问题。To address the impact of BUCK circuits on the sensitivity of communication equipment,this article first analyzes the principle of BUCK circuits,then summarizes the causes of interference in BUCK circuits and conducts a systematic analysis.Finally,the method to solve this problem is to elongate the duration of the rising or falling edge of the BUCK circuit;The BUCK circuit reduces the ringing frequency.Through verification and analysis,the article provides 5 practical circuit solutions that can significantly improve the sensitivity of communication circuits in application design.

关 键 词：BUCK EMI 寄生 谐波 

分 类 号：U463.6[机械工程—车辆工程]