(1) Oscillocope, Function Generator, Digital Multimeter, DC Power Supply
(2) Bread Board
(3) Op-Amp. MC1741
(4) ÀúÇ× ( 1k, 2.2k, 10k¥Ø) ¹× Äܵ§¼ ( 0.1¥ìF)
(5) Wire Stripper ¹× Wire
4. ÀÌ ·Ð
4.1 Filters
ÀÚ¿¬°èÀÇ ¹°¸®·®À» ºÐ¼® ¹× °üÂûÇϱâ À§Çؼ´Â ÀϹÝÀûÀ¸·Î ¼¾¼¸¦ ÀÌ¿ëÇÏ¿© ¿øÇÏ´Â ½ÅÈ£¸¦ ¾ò°Ô µÈ´Ù. À̶§ ¾ò¾îÁö´Â ½ÅÈ£ÀÇ ÆÄÇüÀº ´Ù¾çÇÑ ÁÖÆļöÀÇ ½ÅÈ£°¡ Æ÷ÇԵǾî ÀÖ¾î¼ ¸Å¿ì º¹ÀâÇÑ ÇüŸ¦ °¡Áö¸ç °üÂûÀÚ°¡ ºÐ¼®Çϱ⿡´Â ¸Å¿ì ¾î·Æ´Ù. ÀÌ·¸°Ô ½ÅÈ£¸¦ º¹ÀâÇÏ°Ô ¸¸µå´Â °¡Àå Å« ¿äÀÎÀº NoiseÀÌ´Ù. Noise¿Í °°ÀÌ ¿øÇÏÁö ¾Ê´Â ½ÅÈ£µéÀº ¸ðµÎ Á¦°ÅÇÏ°í ¿øÇÏ´Â ½ÅÈ£¸¸À» ¾òÀ» ¶§ ÀÌ¿ëµÇ´Â °ÍÀÌ ÇÊÅÍÀÌ´Ù. ÀÌ·¯ÇÑ ÇÊÅÍ¿¡´Â Àü±âÀû ÇÊÅÍ(electrical filters), ±â°èÀû ÇÊÅÍ(mechanical filters), À¯°ø¾Ð ÇÊÅÍ(Hydraulic/Pneumatic filters)µî ¿©·¯ °¡Áö ÇüÅ°¡ ÀÖ´Ù. ±×·¯³ª ÇÊÅÍÀÇ ½ÅȣƯ¼ºÀ¸·Î ºÐ·ùÇϸé Å©°Ô ÀúÁÖÆÄ ÇÊÅÍ(low pass filter), °íÁÖÆÄ ÇÊÅÍ(high pass filter), Band pass filter, Band rejection filter(notch filter)µî 4°¡Áö·Î ºÐ·ùÇÒ ¼ö ÀÖ´Ù. ±×¸² 2-1Àº °¢ ÇÊÅ͵éÀÇ ÁÖÆļö Ư¼ºÀ» ³ªÅ¸³½ ±×¸²ÀÌ´Ù.
ÀÌ Àå¿¡¼´Â Àü±âÀû ¡¦(»ý·«)
|