Feb 18, 2006 #1 M minaflying Junior Member level 2 Joined Sep 24, 2004 Messages 22 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Activity points 174 I means the series parasitic inductance of the transmit line. I want use it to test the Vdd noise on wafer, and I hope the parasitic inductance can reduce to less than 20nH.
I means the series parasitic inductance of the transmit line. I want use it to test the Vdd noise on wafer, and I hope the parasitic inductance can reduce to less than 20nH.
Feb 19, 2006 #2 O orley Junior Member level 1 Joined Nov 8, 2005 Messages 17 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,436 You can put a paratactic inductor with the transmit line to gnd at outside of wafer. Regard!
Feb 19, 2006 #3 M minaflying Junior Member level 2 Joined Sep 24, 2004 Messages 22 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Activity points 174 thanks! but can we easy to get the 20nH inductance? the value is so small. and the transmit line is about 0.5~1m long.
thanks! but can we easy to get the 20nH inductance? the value is so small. and the transmit line is about 0.5~1m long.
Feb 20, 2006 #4 W wicked Member level 2 Joined Jun 23, 2005 Messages 45 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,746 did you mean 1mm or realy 1 m
Feb 21, 2006 #5 M minaflying Junior Member level 2 Joined Sep 24, 2004 Messages 22 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Activity points 174 it's realy 1m, maybe I can reduce it to half meter.