问题:为什么我精心设计的有源滤波器未能达到其技术指标要求?回答:这是因为许多有源滤波器软件忽略了“实际的”放大器特性。最近,我度假去红海潜水。临行之前,我把自己的手机和计算机都留在了家里,并把所有的工作都暂时抛在一边。但是,我却犯了一个愚蠢的错误,那就是用带有“A Question: Why did my well-designed active filter fail to meet its specifications? Answer: This is because many active filter software ignore the “real” amplifier characteristics. Recently I went to the Red Sea for a dive. Prior to my departure, I left my cellphone and computer at home and left all my work aside for a while. However, I made a stupid mistake, that is, with "A