差模噪声 meaning in English
differential mode noise
Examples
- With the software cadence , model establishment and parasitic parameter extraction are made on the main pcb lines of the proposed circuits . equivalent circuit models of common mode combined with differential mode current and noise simulation models are also established on full bridge switching - mode converters . study on the simulation of conducted interference noise is made with the software saber and the effects on the circuits " noise by the main parasitic parameters are also analyzed
在对全桥开关型变换器电路工作原理分析的基础上，建立了全桥开关型变换器主要元器件的电磁干扰参数模型，利用cadence软件对其pcb主要印制导线进行了建模分析和寄生参数的提取，得到了全桥开关型变换器传导干扰的共模、差模噪声电流等效电路模型以及噪声仿真模型，并运用saber软件进行了传导性干扰噪声的仿真研究，分析了主要寄生参数对电路噪声的影响。 - We choose hb qrc convert as the research object . this paper has completely analyzed the circuit work modes , designed an experimental device , analyzed the mam noise source , established the common - mode and different - mode noise current models , extracted the parasitic elements of four pcb layout and simulated each emi level . based on these , it has derived the element which have great effect on pcb emc and has designed the optimized pcb layout
选择一种半桥准谐振变换器作为研究对象，对其工作原理进行了详细的分析，制作了实验样机，分析了它的主要干扰源，建立了它的共模、差模噪声电流等效电路模型，对它的四种不同pcb布局进行了寄生参数提取和电磁兼容仿真，在此基础上分析得到了影响其电磁噪声水平的最重要因素，并设计出了最优的pcb布局。