Cie 542 Best -

A CIE 542-compliant loop must reject common-mode noise up to 100 V RMS (50/60 Hz) and series-mode noise of 10 mV peak-to-peak without exceeding ±0.1% error.

CIE 542-compliant loops operate at:

You will live in matrix algebra. If you aren't comfortable with Eigenvalues and Eigenvectors, you will struggle immediately. cie 542