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1.NMOS NMOS´Â n-Çü ±Ý¼Ó »êÈ­¸· ¹ÝµµÃ¼·Î, ÀüÀÚ ¼ÒÀÚÀÇ ÀÏÁ¾ÀÌ´Ù. NMOS´Â Àüµµ¼º ä³Î¿¡ nÇü ¹ÝµµÃ¼°¡ »ç¿ëµÈ´Ù. NMOSÀÇ Àü±Ø..
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1.NMOS

1) MOSFET¿¡¼­ transconductanceÀÇ ÀǹÌ

2) Max transconductance¸¦ ¾òÀ» ¼ö ÀÖ´Â biasing pointÀÇ ÀǹÌ

3) MOSFETÀÇ transfer curve(IDS-VGS)¿Í output curve(IDS-VDS) Ư¼ºÀÇ ÀǹÌ

4) ÁÖ¾îÁø ¸ñÇ¥¸¦ ´Þ¼ºÇϱâ À§ÇÑ NMOS ¼³°è°úÁ¤

5) ½Ã¹Ä·¹ÀÌ¼Ç °á°ú¿Í ÀÌ·ÐÀÇ ºñ±³/³íÀÇ

2.Common-Source & Source Follower Amplifier

1) Common Source AmplifierÀÇ µ¿ÀÛ¿ø¸®

2) Source FollowerÀÇ µ¿ÀÛ ¿ø¸®

3) VinÀÇ biasing point ¼³Á¤ ÀÌÀ¯

4) ³·Àº load ÀúÇ×ÀÌ Àΰ¡µÉ °æ¿ìsource followerÀÇ ÀåÁ¡

5) R1, R2, Rd, Rs °ª ¹× M1, M2ÀÇ W/L ±×¸®°í NMOS·Î ¼³°èÇÑ current sourceÀÇ ¼³°è°úÁ¤

6) ±âŸ ³íÀÇ

3. Âü°í ¹®Çå

4. ¼öÁ¤´ëÁ¶Ç¥

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1.NMOS

NMOS´Â n-Çü ±Ý¼Ó »êÈ­¸· ¹ÝµµÃ¼·Î, ÀüÀÚ ¼ÒÀÚÀÇ ÀÏÁ¾ÀÌ´Ù. NMOS´Â Àüµµ¼º ä³Î¿¡ nÇü ¹ÝµµÃ¼°¡ »ç¿ëµÈ´Ù. NMOSÀÇ Àü±ØÀº µÎ °³ÀÇ ¼Ò½º(source)¿Í µå·¹ÀÎ(drain), ±×¸®°í °ÔÀÌÆ®(gate)·Î ±¸¼ºµÈ´Ù. NMOSÀÇ ÀÛµ¿ ¿ø¸®´Â ¿ÀÇÁ »óÅÂ¿Í ¿Â »óÅ·Π³ª´©¾îÁö¸ç, °ÔÀÌÆ® Àü¾ÐÀÇ º¯È­¿¡ µû¶ó ä³ÎÀÇ Àüµµ¼ºÀÌ °áÁ¤µÈ´Ù. NMOSÀÇ °ÔÀÌÆ®¿¡ ¾çÀü¾ÐÀÌ Àΰ¡µÇ¸é, pÇü ±âÆÇ°úÀÇ °æ°è¿¡¼­ ÀüÀÚµéÀÌ Çü¼ºµÇ¾î nÇü ä³ÎÀÌ ¸¸µé¾îÁø´Ù. À̶§ ä³ÎÀÌ Çü¼ºµÇ¸é ¼Ò½º¿Í µå·¹ÀÎ °£¿¡ Àü·ù°¡ È帣°Ô µÈ´Ù. NMOSÀÇ Àü·ù Àü´Þ ¸ÞÄ¿´ÏÁòÀº µå·¹ÀÎ Àü·ù ID¸¦ ÀÌ¿ëÇÏ¿© ¼³¸íÇÒ ¼ö ÀÖ´Ù. µå·¹ÀÎ Àü·ù´Â °ÔÀÌÆ® Àü¾Ð VGS¿Í µå·¹ÀÎ Àü¾Ð VDS¿¡ µû¶ó º¯È­ÇÑ´Ù. NMOS°¡ Á¤»èÀûÀ¸·Î µ¿ÀÛÇÒ ¶§ VGS°¡ ÀÓ°è Àü¾Ð VTH¸¦ ÃÊ°úÇØ¾ß Çϸç, ÀÌ Á¶°ÇÀ» ¸¸Á·Çϸé NMOS´Â È°¼º ¿µ¿ª¿¡ µé¾î°¡°Ô µÈ´Ù. À̶§ µå·¹ÀÎ Àü·ù´Â MOSFETÀÇ µ¿ÀÛ ¿µ¿ª¿¡ µû¶ó Æ÷È­ ¿µ¿ª°ú ¼±Çü ¿µ¿ªÀ¸·Î ±¸ºÐµÈ´Ù. Æ÷È­ ¿µ¿ª¿¡¼­´Â ¼Ò½º¿Í µå·¹ÀÎ °£ÀÇ Àü¾Ð Â÷ÀÌ¿¡ ¿µÇâ¹ÞÁö ¾Ê°í, µå·¹ÀÎ Àü·ù´Â °ÔÀÌÆ® Àü¾Ð¿¡ µû¶ó °áÁ¤µÈ´Ù. ¹Ý¸é¿¡ ¼±Çü ¿µ¿ª¿¡¼­´Â µå·¹ÀÎ Àü·ù°¡ µå·¹ÀÎ Àü¾Ð¿¡ ºñ·ÊÇÏ¿© Áõ°¡ÇÑ´Ù. NMOSÀÇ ÀÌÁ¡ Áß Çϳª´Â ³ôÀº À̵¿¼º°ú¡¦(»ý·«)


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ID : hajo******
Regist : 2024-10-20
Update : 2024-10-20
FileNo : 26509103

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NMOS   Cascaded   Amplifier   Common   Source   Follower   ¼³°è  


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