用CMOS电流传送器实现通用电流传递函数

Realization of General Current Transfer Functions Using CMOS Current Conveyors

采用新型CMOS电流传送器组成了一种新的电路结构,根据该电路实现了通用电流传送函数。该电路结构简单、设计容易、通用性强,在电流模式模拟信号处理中有应用价值。以电流模式三阶低通滤波器传递函数的实现电路为例完成了MOS管级的计算机仿真,结果表明提出的电路正确可行。

The author proposes a new circuit configuration using CMOS current conveyor. General current transfer functions are realized on the circuit, which has applied value in the process of current mode analog signal process due to its simple structure, easy design and a wide range of applications. Taking realization circuit of the current mode three steps low pass filter transfer functions as an example, the author has accomplished the computer simulation of MOS transistor level, which indicates that the circuit scheme is feasible.