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开关电流(SI)电路技术是继开关电容(SC)技术之后出现的又一新的模拟采样数据信号处理技术。由于这种新的电路技术适合于标准的数字CMOS集成工艺、不需要运算放大器和线性浮地电容,因而它一出现便引起了国外学术界的关注。虽然有关SI电路设计的报道已有不少,但涉及SI网络分析的文献尚不多见.文献[2]的作者根据SI电路的电流时延的物理特性列写电路方程、求得转移函数,这种方法有助于理解SI电路的工作原理,然而,作为一种
The switching current (SI) circuit technology is another new analog sampling data signal processing technology that follows the switching capacitor (SC) technology. Because this new circuit technology suits the standard digital CMOS integrated process, does not need the operational amplifier and the linear floating capacitance, so it emerges and arouses the overseas academic attention. Although there are a lot of reports about the design of SI circuits, there are not many literatures about SI network analysis.The author of [2] listed the circuit equations based on the physical characteristics of the SI circuit’s current delays, and obtained the transfer function, This method helps to understand how the SI circuit works, however, as one