I want to know how to calculate the phase of complex impedance. When i apply the phase formula table in page 21 ad5933 data sheet its not giving the same answer as it was suppose to give using AD5933EBZ rev.C.
Neither it gives the same answer when the formula from UG-364 is applied I am unable to get the phase.
I use PIC32MX775F256H.
PLEASE SUGGEST ME A WAY TO SOLVE THIS.
for C=3.3nF, freq=4000Hz, GF=6.8e-7, calibration resistor=150
Imp Phase Real Imaginary Magnitude
9335.63 -83.1866 -157 -20 158
How would i get the phase -83.1866 using real=-157 and Imaginary= -20????????