Gmdss_e3 : Element 3 - 287/605
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| What are the distinguishing features of a Butterworth filter? |
| A) A filter whose product of the series- and shunt-element impedances is a constant for all frequencies. |
| B) It only requires capacitors. |
| C) It has a maximally flat response over its passband. |
| D) It requires only inductors. |
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