小型多通道声表面波滤波组件的抗干扰设计

Anti-interference Design of Small Multi-channel SAW Filter Module

滤波组件作为当代通信系统中不可或缺的重要部分,高性能、高集成、低损耗是未来的发展方向。该文针对在小体积多通道声表滤波组件设计中如何减少系统受到电磁干扰的核心问题,采用了抗干扰设计,并重点研究了射频(RF)电路中多层电路板的布局和布线。通过实验验证了其各通道性能指标均能有效地正常工作,且各通道间无相互串扰的现象,解决了电磁干扰的问题,从而提高电磁兼容性,实现了小体积多通道声表滤波组件正常工作。

As an indispensable part of modern communication system,the high-performance,high integration and low loss are the future development direction of the filter module.This article aims at the core problem of how to reduce the electromagnetic interference of the system in the design of small multi-channel SAW filter components,adopts anti-interference design,and focuses on the layout and wiring of multi-layer circuit boards in radio frequency(RF)circuits.Through the experiment,it is verified that the performance specifications of each channel can work effectively,and there is no crosstalk between each channel,which solves the problem of electromagnetic interference,improves the electromagnetic compatibility,and realizes the normal work of small multi-channel SAW filter module.