There is a great deal of demand in modern electronics, however, for bandpass amplifiers.然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求.This paper presents a set of all - pole bandpass filter with equal inductances.本文提出一种间隙电容耦合的微带圆盘腔带通滤波器...
你现在就付款呢, 还是我们记在你账上?Are you paying now, or shall we book it down to you?那笔钱已转到我账上.The sum of money has been transferred into my account.你的账上还剩五美元.The balance on your account is $ 5....