https://www.youtube.com/watch?v=ZtgOboxMNoU 8:47开始说到 Idc is the minimum for lowest Irms and would be the best choice 小弟这里无法理解 下列连结的waveform及其对应rms的表中 https://en.wikipedia.org/wiki/Root_mean_square dc有可能比其他波型的rms大 例如当sine wave 振幅 = 跟DC 相同时 rms of DC = A1 > rms of sine = A1/sqr(2) --

※ 发信站: 批踢踢实业坊(ptt.cc), 来自: 111.255.234.204 ※ 文章网址: https://webptt.com/cn.aspx?n=bbs/Electronics/M.1517838675.A.BCB.html