Suva Methodist Primary School hosted its first Athletics Festival today at the HFC Bank Stadium in Suva. Parents, former students, and fans filled the stands to support the students taking part and be ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

离线开关电源 (SMPS) 是根据终端负载将电网电源转换为直流电源的经典产品。通常，这种开关电源包含两个转换级，为了实现更高的效率，需要采用性能更好的电源开关或实施不同的控制策略。上篇我们介绍了系统用途、系统实现、系统描述、市场信息和趋势 ...

On paper, electricity behaves in easy-to-understand, predictable ways. That’s mostly because the wires on the page have zero resistance and the switching times are actually zero, whereas in real life ...

Professor Christina Pagel of University College London has mapped the actions of the Trump administration’s first few weeks into a Venn diagram (above) with “five broad domains that correspond to ...

[导读]通常，这种开关电源包含两个转换级，为了实现更高的效率，需要采用性能更好的电源开关或实施不同的控制策略。 离线开关电源(SMPS) 是根据终端负载将电网电源转换为直流电源的经典产品。通常，这种开关电源包含两个转换级，为了实现更高的效率 ...

Abstract: Switching-mode power supply (SMPS) connects the power supply and load through the long cables. Radiated electromagnetic interference (EMI) becomes more serious because of the significant ...