[전자회로응용] Active filter 결과레포트 (만점)

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1. Active Filter

이 보고서는 Active Filter 실험에 대한 내용을 다루고 있습니다. 실험 목표는 실습회로 1과 2의 출력전압을 계산하고 시뮬레이션 및 실험 결과와 비교하는 것, 같은 차단주파수를 가진 반전 1차 필터를 설계하여 시뮬레이션 결과와 비교하는 것, 그리고 실습회로 1, 2, 3의 차단주파수를 계산하고 시뮬레이션 및 실험 결과와 비교하는 것입니다.

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1. Active Filter

Active filters are an important component in electronic circuit design, particularly in signal processing and audio applications. They are used to selectively pass or block certain frequency ranges, allowing for the manipulation and conditioning of signals. Active filters utilize active components such as operational amplifiers (op-amps) to provide gain and enable more complex filtering characteristics compared to passive filters. This allows for greater flexibility in designing filters with specific frequency responses, such as low-pass, high-pass, band-pass, and band-stop filters. Active filters can be designed to have sharper cutoff slopes, higher Q-factors, and better noise rejection than their passive counterparts. They find applications in audio systems, instrumentation, communication networks, and various other electronic systems where precise signal filtering is required. The use of active components also enables the implementation of more advanced filter topologies, such as Butterworth, Chebyshev, and Elliptic filters, each with their own unique characteristics and trade-offs. Overall, active filters play a crucial role in modern electronic circuit design, allowing for the precise control and manipulation of signals to meet the specific requirements of various applications.