以下为句子列表:
英文: Abstract This paper gives two kinds of single operational amplifer ? current-mode active filter circuits. They can realize lowpass, highpass and ? bandpass without changing circuit topology and element.
中文: 摘要提出两种使用单运放的电流型滤波电路,每种电路均可同时实现带通、低通和高通滤波功能.
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