【摘要】 讨论了一些新的开关电源电磁干扰(EM I)抑制技术,如EMI滤波器设计技术、软开关技术、共模干扰有源滤波技术、功率管优化驱动技术和扩频调制技术。分析了各EMI抑制技术的原理和设计所面临的问题。这些技术还有待进一步完善。更多还原

【Abstract】 Some new EMI suppression technologies for switching power supply were discussed,such as EMI filter design technology,soft-switching technology,common mode interference active filter technology,power tube optimum driving technology and band spread modulation technology.These technologys will be improved further.更多还原