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在示波器输入端输入正弦波信号时,幅度衰减至原信号幅度的0.5倍的那个频率点,称之为示波器的带宽。( )
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发布时间: 2023-11-19 23:24
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在示波器输入端输入正弦波信号时,幅度衰减至原信号幅度的0.5倍的那个频率点,称之为示波器的带宽。( )
A.对
B.错
正确答案是B
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