ÀÚ±âÇнÇÇè½Ç(MagLAB) ±¸ (old) °Ô½ÃÆÇÀÔ´Ï´Ù. |
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2000/07/25 (20:28) from 210.124.175.212' of 210.124.175.212' | Article Number : 16 |
ȨÁö±â | Access : 360 , Lines : 64 |
Re: °èÃøÁõÆø±â (Inst. amp.)¿Í ÀÏ¹Ý ÁõÆø±âÀÇ Â÷ÀÌÁ¡ÀÌ ±Ã±ÝÇÕ´Ï´Ù. |
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¾È³çÇϽʴϱî ? MagLAB ȨÁö±â ÀÔ´Ï´Ù. Inst. amp. (°èÃø±â ÁõÆø±â)ÀÇ ±¸¼ºÀº µÎ °³ÀÇ ¹öÆÛ¿Í ÇϳªÀÇ ºñ±³±â ±×¸®°í ÀÏ¹Ý ÁõÆø±â ÀÌ·¸°Ô 3´ÜÀ¸·Î ±¸¼ºµÇ¾îÀÖ½À´Ï´Ù. µû¶ó¼ source impedance °¡ ¹®Á¦°¡ µÇ´Â°æ¿ì (ex. ÄÚÀϼ¾¼)¿¡ ¿ä±äÇÏ°Ô »ç¿ëµÇ¸ç, ¶ÇÇÑ ÀԷ´ÜÀÌ Â÷µ¿ÀÔ·Â (differential input)À¸·Î ±¸¼ºµÇ¾î ÀÖ¾î common mode noise (µ¿»ó ¸ðµå ³ëÀÌÁî)µîÀ» Â÷´ÜÇϱ⿡ Àû´çÇÕ´Ï´Ù. ¿¹¸¦µé¸é ¼¾¼¿¡¼ ºÎÅÍ ÁõÆø±â ±îÁöÀÇ °Å¸®°¡ ¸Å¿ì ¸Õ °æ¿ì ¶óÀο¡¼ Ÿ°í ¿À´Â ³ëÀÌÁ Á¦°ÅÇϴµ¥ inst. amp.¸¦ »ç¿ëÇϸé Àû´çÇÏ°Ú½À´Ï´Ù. °£´ÜÇÏ°Ô °á·ÐÀ» ³»¸®¸é inpedance effect¿Í common mode noise¸¦ Á¦°ÅÇÏ¸é¼ ÁõÆøÀ» ÇÏ·Á¸é inst. amp.¸¦ »ç¿ëÇÏ¸é µË´Ï´Ù. µû¶ó¼ ¹Ýµå½Ã °èÃø±â¸¦ Á¦ÀÛÇÑ´Ù°í Çؼ Inst. amp.¸¦ »ç¿ëÇÒ ÇÊ¿ä´Â ¾ø½À´Ï´Ù. ¿ëµµ¿¡ µû¶ó¼ ÀûÀýÈ÷ ¼±ÅÃÀ» ÇؾßÇÕ´Ï´Ù. ÀÌ»óÀº °³·«ÀûÀÎ ¼³¸íÀ̾ú°í ÀÚ¼¼ÇÑ °ÍÀº ±³À縦 Çϳª ¼Ò°³ÇØ µå¸®°Ú½À´Ï´Ù. ¾ÆÁÖ ÁÁÀº Ã¥ÀÌ´Ï Çѹø ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù. ¶ÇÇÑ È¨ Áö±â°¡ ¼¾¼È¸·Î µðÀÚÀÎ Äڳʿ¡¼ 8¿ù´Þ¿¡ »ýüÀüÀ§ ÁõÆø±â¸¦ Á¦ÀÛÇÒ ¿¹Á¤ÀÔ´Ï´Ù. À̶§ »ç¿ëµÉ ÁõÆø±â°¡ °èÃøÁõÆø±â ÀÔ´Ï´Ù. ±×¶§ ¹æ¹®ÇϽøé ȸ·Îµµ¿Í °¢ ºÎºÐÀÇ ¿ªÇÒ ¹× ÀåÁ¡À» »ó¼¼ÇÏ°Ô ¼³¸íÀ»µå¸®µµ·Ï ÇÏ°Ú½À´Ï´Ù. Âü°í¹®Çå Robert F. Coughlin & Frederick F. Driscoll " Operational Amplifiers & Linear Integrated Circuits" ISBN : 0-13-639923-1 °¨»çÇÕ´Ï´Ù. ¼Õ´Ô wrote: >¾È³çÇϽʴϱî ? > >ÁõÆø±âÁß¿¡ °èÃø±âÁõÆø±â¶ó ºÒ¸®¿ì´Â°ÍÀÌ Àִµ¥, ÀÏ¹Ý ÁõÆø±âÇÏ°í >¾î¶»°Ô ´Ù¸¥Áö °èÃø±â¸¦ Á¦ÀÛÇÒ ¶§´Â ¹Ýµå½Ã °èÃø±â ÁõÆø±â¸¦ ½á¾ß ÇÏ´ÂÁö >±Ã±ÝÇÕ´Ï´Ù. > >²À Á» ¾Ë·ÁÁÖ¼¼¿ä.¾È³çÇϽʴϱî ? |