降低EMI和保持高效率D类放大器在便携式应用

摘要： D类放大器通常是非常有效的，使他们需要较长的电池寿命和低散热的便携式应用的理想人选。然而，电磁干扰（EMI ）是一个问题，通常伴随着D类开关拓扑。活跃的排放限制减少辐射，使“滤波器”的操作，使设计人员能够创建小型，高效低EMI的便携式应用。
Maxim > Design Support > Technical Documents > Application Notes > Audio Circuits > APP 5342
Keywords: EMI, Class D, Edge rate control, portable application, high efficiency, active emissions limiting, electromagnetic
interference, RF interference, AEL
Apr 25, 2012
APPLICATION NOTE 5342

Reduce EMI and Maintain High Efficiency with Class D
Amplifiers in Portable Applications
By:Trang Nguyen, Business Manager
Apr 25, 2012

Abstract:Class D amplifiers are typically very efficient, making them ideal candidates for portable applications that require long
battery life and low thermal dissipation. However, electromagnetic interference (EMI) is an issue that commonly acco