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active filterA filter that uses an amplifier in addition to reactive components to pass or reject selected frequencies.
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active filterA filter that uses an amplifier in addition to reactive components to pass or reject selected frequencies.
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active filterA filter that uses an amplifier in addition to passive components. For example an Active Low Pass Filter Circuit.
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active filterAny filter using an op amp is called an active filter.
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active filterAn electronic filter that combines active circuit devices, usually operational amplifiers, with resistors and capacitors. Typically, active filters more closely match ideal filters than passive filters do.
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