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Active filter (�뒫�룞 �뿬�뙆湲�)
1. �떎�뿕 紐⑹쟻
�엯�젰�떊�샇�뿉�꽌 �썝�븯�뒗 二쇳뙆�닔 �꽦遺꾩�� �넻怨쇱떆�궎怨� �썝移� �븡�뒗 二쇳뙆�닔 �꽦遺꾩�� 媛먯뇙�떆�궎�뒗 �뒫�룞�븘�꽣瑜� �빐�꽍�븯怨� �꽕怨꾪븳�떎.
2. 湲곗큹 �씠濡�
�몺 Filter �쓽 醫낅쪟
1) LPF (Low Pass Filter : ����뿭�넻怨� �뿬�뙆湲�)
怨좎＜�뙆瑜� 嫄몃윭�궡�뼱 ���二쇳뙆�쓽 �븘�슂�븳 �떊�샇留뚯쓣 怨⑤씪�궪 �븣 留롮씠 �궗�슜�븳�떎.
2) BPF (Band Pass Filter : ����뿭�넻怨� �뿬�뙆湲�)
�썝�븯�뒗 二쇳뙆�닔����뿭留� �젙�솗�븯寃� 怨⑤씪�궦�떎.
3) HPF (High Pass Filter : 怨좎뿭�넻怨쇱뿬�뙆湲�)
���二쇳뙆 諛쒖쭊�쓣 理쒖냼�솕�븯湲� �쐞�빐 �궗�슜�맂�떎.
4) BSF
(Band Stop Filter, BRF - Band Reject Filter, Notch Filter?: ����뿭���吏� �뿬�뙆湲�)
紐⑤뱺 二쇳뙆�닔����뿭��� �옒 �넻怨쇱떆�궎吏�留� �듅�젙 ����뿭�쓽 二쇳뙆�닔留� �넻怨쇱떆�궎吏� �븡�뒗 �븘�꽣
�몼 active filter��� passive filter
- �뒫�룞 �븘�꽣 : �뒫�룞�냼�옄��� C, R濡� 援ъ꽦�릺硫� OP-Amp瑜� �궗�슜�븯硫� ���二쇳뙆
�쁺�뿭(10kHz�젙�룄 �씠�븯)�뿉�꽌 留롮씠 �씠�슜�맂�떎.
�씤�뜒�꽩�뒪 媛믪씠 �븘�슂�븯�뿬 肄붿씪(�씤�뜒�꽣)�쓣 �궗�슜�븯硫� �겕怨� 臾닿굅�썙吏�怨�
�늻�꽕�옄怨꾩뿉 �쓽�빐 �떎瑜� �쉶濡쒖뿉 �옟�쓬�쓣 �씓肉뚮━�뒗 遺��쟻�떦�븳 �젏�쓣 �뒫�룞�븘�꽣濡� �젣嫄고븷 �닔 �엳�떎.
- �닔�룞 �븘�꽣 : C, R, L�쓣 �궗�슜�븯怨� �듅�꽦��� L, C媛� 醫뗫떎. �궙��� 二쇳뙆�닔�뿉�꽌 L, C濡�
援ъ꽦�븯�젮硫� �씤�뜒�꽣 媛믪씠 �넂��� L�씠 �븘�슂�븯寃� �맂�떎.
洹몃윭硫� 臾닿쾶�굹 �겕湲�, 媛�寃⒱��(�깮�왂)
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�뒫�룞�뿬�뙆湲�_�삁鍮꾨낫怨좎꽌.hwp
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