On 03/18/2012 10:00 AM, Kirk Wallace wrote: > Current can also be measured with an opamp measuring voltage across a > current sense resistor, but I'm worried about a common mode voltage in > the hundreds of Volts. Is there away to handle this?
You not only have to withstand the CM voltage, you have to have good CM rejection of many Mhz signals to avoid switching spikes on the current signal. Tough to do without opto or transformer isolation. Karl ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
