试题与答案

宽频带电路指带宽为()的电路。 A.300~2300Hz B.300~2000Hz

题型:单项选择题

题目:

宽频带电路指带宽为()的电路。

A.300~2300Hz

B.300~2000Hz

C.0~4000Hz

D.300~3400Hz

答案:

参考答案:D

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