Mar 3, 2008 #1 T taofeng Advanced Member level 4 Joined Mar 21, 2006 Messages 104 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Activity points 2,021 Can anyone educate me how to design such di/dt sensing circuit ? thanks
Mar 3, 2008 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,484 Helped 14,756 Reputation 29,794 Reaction score 14,121 Trophy points 1,393 Location Bochum, Germany Activity points 298,358 Do you have already a current measurement? Then it's simply a differentiator (a circuit with one operational amplifier).
Do you have already a current measurement? Then it's simply a differentiator (a circuit with one operational amplifier).
Mar 3, 2008 #3 A A.Anand Srinivasan Advanced Member level 5 Joined Oct 15, 2005 Messages 1,792 Helped 257 Reputation 514 Reaction score 39 Trophy points 1,328 Location India Activity points 10,678 use an inductor and measure the voltage across it by passing the current whichs di/dt is to be found....
use an inductor and measure the voltage across it by passing the current whichs di/dt is to be found....