// Example 3.10: Minimum and maximum value of zener diode current clc, clear // From the Fig. 3.33 Vsmin=120; // in volts Vsmax=170; // in volts Vz=50; // in volts Rs=5e3; // in ohms RLmin=5e3; // in ohms RLmax=10e3; // in ohms ILmin=Vz/RLmax; // in amperes ILmax=Vz/RLmin; // in amperes Izmin=((Vsmin-Vz)/Rs)-ILmax; // Minimum value of zener diode current in amperes Izmin=Izmin*1e3; // Minimum value of zener diode current in miliamperes Izmax=((Vsmax-Vz)/Rs)-ILmin; // Maximum value of zener diode current in amperes Izmax=Izmax*1e3; // Maximum value of zener diode current in miliamperes disp(Izmin,"Minimum value of zener diode current (mA) ="); disp(Izmax,"Maximum value of zener diode current (mA) =");