BSF (Band Stop Filter, Notch Filter)

 

BSF Calculator

 

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Ripple

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 ¡ß Type 1

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 ¡ß Type 2

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- butterworth¿Í Chevishev °è»êÀÌ º°µµ·Î ÀÌ·ç¾îÁö¹Ç·Î, ¿øÇÏ´Â °è»ê¹æ½ÄÀÇ ¹öÆ°À» °¢°¢ ´©¸¥´Ù.
- ¼ÒÀÚ ±¸¼º¹æ½Ä¿¡ µû¶ó ±¸ºÐµÈ Type1°ú Type2ÀÇ È¸·Î¼ÒÀÚ°ªÀÌ µ¿½Ã¿¡ °è»êµÈ´Ù.
- Ripple °ªÀº Chevishev ¹æ½ÄÀÏ °æ¿ì¿¡¸¸ ÀÔ·ÂÇÑ´Ù.

 

  Butterworth (Maximally Flat) ¿¹Á¦
Butterworth ¹æ½ÄÀº ÇÊÅÍ Åë°ú´ë¿ªÀÌ °¡Àå ÆòÆòÇÑ(Maximally Flat) ÇüÅÂÀÇ ÇÊÅÍ ¹æ½ÄÀÌ´Ù.

n=3,5,7,9   fc=2000MHz   BW=200MHz   Zo=50¥Ø

 

  Chevishev (Equally Ripple) ¿¹Á¦
Chevishev ¹æ½ÄÀº Åë°ú´ë¿ª°ú ÀúÁö´ë¿ªÀ» ±¸ºÐÇÏ´Â ½ºÄ¿Æ® Ư¼ºÀÌ ÁÁÀº ´ë½Å, Åë°ú´ë¿ª¿¡ µ¿ÀÏÇÑ Å©±âÀÇ Ãâ··ÀÓÀÌ Á¸ÀçÇÏ´Â(Equally ripple) ÇüÅÂÀÇ ÇÊÅÍ ¹æ½ÄÀÌ´Ù. 

n=3,5,7,9   fc=2000MHz   BW=200MHz   Zo=50¥Ø   Ripple=0.2dB

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