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本文提出了由单电流控制传输器(current controlled conveyor)实现的新型二阶低通滤波器,该滤波器是交流耦合,结构简单,功耗低,带宽约5MHz,适用于WCDMA的直流变频接收机。
In this paper, we propose a new second-order low-pass filter realized by a current controlled conveyor. The filter is AC-coupled and has a simple structure, low power consumption and a bandwidth of about 5MHz. It is suitable for the DC frequency conversion receiver of WCDMA .