Jan 17, 2003 #1 C colin_cheng Newbie level 6 Joined Jun 18, 2002 Messages 13 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 76 vias resistance calculating Could anyone tell me how to calculate the resistance and inductance of vias. The frequancy range is from DC to 50MHz.
vias resistance calculating Could anyone tell me how to calculate the resistance and inductance of vias. The frequancy range is from DC to 50MHz.
Jan 17, 2003 #2 Z zgx Member level 1 Joined Feb 25, 2002 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 162 how to calculate multilayer inductance DC-50MHz,the vias resistence and inductance can be ignored, They are very small ,less than 1OHm or 1nH.
how to calculate multilayer inductance DC-50MHz,the vias resistence and inductance can be ignored, They are very small ,less than 1OHm or 1nH.
Jan 17, 2003 #3 R ronbmy Junior Member level 3 Joined Jul 27, 2002 Messages 26 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location U.K Activity points 134 Have a look at the following............... **broken link removed** http://www.sigrity.com/papers/epep2000/QC-JZ-EPEP2000-Final.pdf http://www.hottconsultants.com/pdf_files/Keynote.pdf **broken link removed** And for multilayer boards ( 6+ ) **broken link removed**
Have a look at the following............... **broken link removed** http://www.sigrity.com/papers/epep2000/QC-JZ-EPEP2000-Final.pdf http://www.hottconsultants.com/pdf_files/Keynote.pdf **broken link removed** And for multilayer boards ( 6+ ) **broken link removed**
Jan 18, 2003 #4 G g579 Full Member level 6 Joined Dec 31, 1999 Messages 322 Helped 19 Reputation 38 Reaction score 4 Trophy points 1,298 Location Somewhere Activity points 2,470 Agree with zgx. At 50 MHz both series L and series R can be assumed to be zero.