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//=====================================================================================
//Chapter 12 example 13
clc;clear all;
//variable declaration
R1 = 1000; //resistance of arm in Ω
R2 = 1000; //resistance of arm in Ω
R3 = 2000; //resistance of arm in Ω
R4 = 2000; //resistance of arm in Ω
C1 = 1*10^-6; //capacitance in F
f = 1000;
r1 =10; //resistance in Ω
//calculations
W = 2*%pi*f;
C2 = (C1*R1)/(R2); //capacitance in F
r2 = ((R2*(R3+r1))-(R1*R4))/(R1); //Resistance in Ω
d1 = (W*r1*C1)*(180/%pi); //phase angle error in °
d2 = (W*r2*C2)*(180/%pi); //phase angle error in °
//calculations
mprintf("phase angle error = %3.1f °",d1);
mprintf("\nphase angle error = %3.1f °",d2);
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