diff options
Diffstat (limited to '3754/CH13')
| -rw-r--r-- | 3754/CH13/EX13.1/13_1.sce | 14 | ||||
| -rw-r--r-- | 3754/CH13/EX13.2/13_2.sce | 17 | ||||
| -rw-r--r-- | 3754/CH13/EX13.3/13_3.sce | 18 | ||||
| -rw-r--r-- | 3754/CH13/EX13.4/13_4.sce | 15 | ||||
| -rw-r--r-- | 3754/CH13/EX13.5/13_5.sce | 21 | ||||
| -rw-r--r-- | 3754/CH13/EX13.6/13_6.sce | 15 |
6 files changed, 100 insertions, 0 deletions
diff --git a/3754/CH13/EX13.1/13_1.sce b/3754/CH13/EX13.1/13_1.sce new file mode 100644 index 000000000..caa72639d --- /dev/null +++ b/3754/CH13/EX13.1/13_1.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+PZM = 500 //Power rating of zener diode (in milli-watt)
+VZ = 6.8 //Zener voltage rating (in volts)
+
+//Calculation
+
+IZM = PZM / VZ //Maximum value of zener current (in milli-Ampere)
+
+//Result
+
+printf("\n THe value of IZM for the device is %0.1f mA.",IZM)
diff --git a/3754/CH13/EX13.2/13_2.sce b/3754/CH13/EX13.2/13_2.sce new file mode 100644 index 000000000..34e88d57f --- /dev/null +++ b/3754/CH13/EX13.2/13_2.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+PZM = 500 //Power rating of zener diode (in milli-watt)
+df = 3.33 //derating factor (in milli-watt)
+T1 = 75 //Temperature (in degree Celsius)
+T2 = 50 //Temperature (in degree Celsius)
+
+//Calculation
+
+Tdf = df * (T1 - T2) //Total derating factor (in milli-watt)
+PZ = PZM - Tdf //Maximimum power dissipating for the device (in milli-watt)
+
+//Result
+
+printf("\n The maximum power dissipation for the device is %0.3f mW." ,PZ)
diff --git a/3754/CH13/EX13.3/13_3.sce b/3754/CH13/EX13.3/13_3.sce new file mode 100644 index 000000000..e38c0932f --- /dev/null +++ b/3754/CH13/EX13.3/13_3.sce @@ -0,0 +1,18 @@ +clear//
+
+//Variables
+
+IZ1 = 20 //Reverse current (in milli-Ampere)
+IZ2 = 30 //Reverse current (in milli-Ampere)
+VZ1 = 5.6 //Zener voltage (in volts)
+VZ2 = 5.65 //Zener voltage (in volts)
+
+//Calculation
+
+dIZ = IZ2 - IZ1 //Change in reverse current (in milli-Ampere)
+dVZ = VZ2 - VZ1 //Change in zener voltage (in volts)
+rZ = dVZ / (dIZ * 10**-3) //Resistance of device (in ohm)
+
+//Result
+
+printf("\n Resistance of the zener diode is %0.3f ohm.",rZ)
diff --git a/3754/CH13/EX13.4/13_4.sce b/3754/CH13/EX13.4/13_4.sce new file mode 100644 index 000000000..87e09eab6 --- /dev/null +++ b/3754/CH13/EX13.4/13_4.sce @@ -0,0 +1,15 @@ +clear//
+
+//Variables
+
+VZ = 4.7 //Zener voltage (in volts)
+rZ = 15 //Resistance (in ohm)
+IZ = 20 * 10**-3 //Current (in Ampere)
+
+//Calculation
+
+VZ1 = VZ + IZ * rZ //Terminal voltage of a zener diode (in volts)
+
+//Result
+
+printf("\n Terminal voltage of the zener diode is %0.3f V.",VZ1)
diff --git a/3754/CH13/EX13.5/13_5.sce b/3754/CH13/EX13.5/13_5.sce new file mode 100644 index 000000000..ad4913d1c --- /dev/null +++ b/3754/CH13/EX13.5/13_5.sce @@ -0,0 +1,21 @@ +clear//
+
+//Variables
+
+C1min=5;C2min=5;Cmin=5;
+C1max=50;C2max=50;Cmax=50;
+L = 10 //Inductance (in milli-Henry)
+
+//Calculation
+
+CTmin = C1min * C2min / (C1min + C2min) //Total minimum capacitance (in pico-farad)
+CTmin = CTmin * 10**-12 //Total minimum capacitance (in farad)
+L = 10 * 10**-3 //Inductance (in Henry)
+f0max = 1/(2*%pi*(L*CTmin)**0.5) //Maximun resonant frequency (in Hertz)
+CTmax = C1max * C2max / (C1max + C2max) //Total maximum capacitance (in pico-farad)
+CTmax = CTmax * 10**-12 //Total minimum capacitance (in farad)
+f0min = 1/(2*%pi*(L*CTmax)**0.5) //Minimum resonant frequency (in Hertz)
+
+//Result
+
+printf("\n Tuning range for the circuit is between %0.0f kHz and %0.0f MHz.",f0min*10**-3,f0max*10**-6)
diff --git a/3754/CH13/EX13.6/13_6.sce b/3754/CH13/EX13.6/13_6.sce new file mode 100644 index 000000000..8e196eeee --- /dev/null +++ b/3754/CH13/EX13.6/13_6.sce @@ -0,0 +1,15 @@ +clear//
+
+//Variables
+
+T = 0.04 * 10**-6 //Time period (in seconds)
+
+//Calculation
+
+f = 1/T //Frequency (in Hertz)
+f = f * 10**-6 //Frequency (in Mega-Hertz)
+f5 = 5 * f //%th - harmonic (in Mega-Hertz)
+
+//Result
+
+printf("\n Frequency of 5th harmonic is %0.3f MHz.",f5)
|