initial commit / add all books

13 files changed, 111 insertions, 0 deletions

diff --git a/196/CH4/EX4.1/example_4_1.sce b/196/CH4/EX4.1/example_4_1.sce
new file mode 100755
index 000000000..fb443d3c7
--- /dev/null
+++ b/196/CH4/EX4.1/example_4_1.sce
@@ -0,0 +1,10 @@
+//Chapter 4

+//Example 4-1

+//ProbOnThresholdVoltage 

+//Page 90

+clear;clc;

+//Given

+Vsat = 14;//Saturation Voltage

+R1 = 1000; R2 = 100 ; //Load resistances

+Vut = (R2/(R1*R2))*Vsat;

+printf("\n\n Value of Upper Threshold Voltage =  %.6f V \n\n",Vut)
\ No newline at end of file
diff --git a/196/CH4/EX4.1/result_4_1.txt b/196/CH4/EX4.1/result_4_1.txt
new file mode 100755
index 000000000..73799481d
--- /dev/null
+++ b/196/CH4/EX4.1/result_4_1.txt
@@ -0,0 +1 @@
+Value of Upper Threshold Voltage =  0.014000 V 
\ No newline at end of file
diff --git a/196/CH4/EX4.2/example_4_2.sce b/196/CH4/EX4.2/example_4_2.sce
new file mode 100755
index 000000000..358c05f5b
--- /dev/null
+++ b/196/CH4/EX4.2/example_4_2.sce
@@ -0,0 +1,10 @@
+//Chapter 4

+//Example 4-2

+//ProbOnLowerThresholdVoltage 

+//Page 91

+clear;clc;

+//Given

+Vsat = -13;//Saturation Voltage

+R1 = 1000; R2 = 100 ; //Load resistances

+Vlt = (R2/(R1*R2))*Vsat;

+printf("\n\n Value of Lower Threshold Voltage =  %.6f V \n\n",Vlt)
\ No newline at end of file
diff --git a/196/CH4/EX4.2/result_4_2.txt b/196/CH4/EX4.2/result_4_2.txt
new file mode 100755
index 000000000..fa1a426b6
--- /dev/null
+++ b/196/CH4/EX4.2/result_4_2.txt
@@ -0,0 +1 @@
+ Value of Lower Threshold Voltage =  -0.013000 V 
\ No newline at end of file
diff --git a/196/CH4/EX4.3/example_4_3.sce b/196/CH4/EX4.3/example_4_3.sce
new file mode 100755
index 000000000..206a8da06
--- /dev/null
+++ b/196/CH4/EX4.3/example_4_3.sce
@@ -0,0 +1,6 @@
+//Chapter 4

+//Example 4-3

+//ProbOnOutputVoltage 

+//Page 91,Figure 4-4

+clear;clc;

+printf ("\n\n The dashed lines drawn on Ei in thew figure locate Vut and Vlt.\n\n At time t=0, Ei is below Vlt, so Vo is at +Vsat. When Ei goes above Vut, at times (a) and (c), Vo switches quickly to -Vsat. \n\nWhen Ei again goes below Vlt, at times (b) and (d), Vo switches quickly to +Vsat. \n\nObserve how positive feedback has eliminated the false crossings ") 
\ No newline at end of file
diff --git a/196/CH4/EX4.3/result_4_3.txt b/196/CH4/EX4.3/result_4_3.txt
new file mode 100755
index 000000000..6942acf19
--- /dev/null
+++ b/196/CH4/EX4.3/result_4_3.txt
@@ -0,0 +1,4 @@
+The dashed lines drawn on Ei in thew figure locate Vut and Vlt.

+At time t=0, Ei is below Vlt, so Vo is at +Vsat. When Ei goes above Vut, at times (a) and (c), Vo switches quickly to -Vsat. 

+When Ei again goes below Vlt, at times (b) and (d), Vo switches quickly to +Vsat. 

+Observe how positive feedback has eliminated the false crossings  
\ No newline at end of file
diff --git a/196/CH4/EX4.4/example_4_4.sce b/196/CH4/EX4.4/example_4_4.sce
new file mode 100755
index 000000000..ef851c973
--- /dev/null
+++ b/196/CH4/EX4.4/example_4_4.sce
@@ -0,0 +1,20 @@
+//Chapter 4

+//Example 4-4

+//DesignUsingVutAndVlt 

+//Page 96

+clear;clc;

+//Given

+Vut = 12 ; Vlt = 8 ; //Upper and Lower Threshold Voltages 

+Vsatp = 15 ; Vsatm = -15 ;// Saturation Voltages

+R = 10*10^3 ;//Choosing R

+//Design

+Vh = Vut - Vlt ; // Hysteresis Voltage 

+Vctr = (Vut + Vlt)/2;//Center Voltage

+n = (Vsatp - Vsatm)/Vh ; // Resistor Factor

+Vref = Vctr / (1 + (1/n)); //Reference Voltage

+Resistance = n * R;

+printf ( "\n\n Hysteresis Voltage = %.4f V \n\n",Vh )

+printf ( "\n\n Center Voltage = %.4f V \n\n", Vctr )

+printf ( "\n\n Resistor Factor = %.4f \n\n" , n )

+printf ( "\n\n Reference Voltage = %.4f \n\n", Vref)

+printf ( "\n\n Feedback resistor = %.4f \n\n", Resistance)
\ No newline at end of file
diff --git a/196/CH4/EX4.4/result_4_4.txt b/196/CH4/EX4.4/result_4_4.txt
new file mode 100755
index 000000000..535c6eed7
--- /dev/null
+++ b/196/CH4/EX4.4/result_4_4.txt
@@ -0,0 +1,9 @@
+Hysteresis Voltage = 4.0000 V 

+

+Center Voltage = 10.0000 V 

+

+Resistor Factor = 7.5000 

+

+Reference Voltage = 8.8235 

+

+Feedback resistor = 75000.0000 
\ No newline at end of file
diff --git a/196/CH4/EX4.5/Figure4_5.xcos b/196/CH4/EX4.5/Figure4_5.xcos
new file mode 100755
index 000000000..493345c81
--- /dev/null
+++ b/196/CH4/EX4.5/Figure4_5.xcos
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/196/CH4/EX4.5/example_4_5.sce b/196/CH4/EX4.5/example_4_5.sce
new file mode 100755
index 000000000..7503497b5
--- /dev/null
+++ b/196/CH4/EX4.5/example_4_5.sce
@@ -0,0 +1,17 @@
+//Chapter 4

+//Example 4-5

+//designInvertingVoltageDetector 

+//Page 97

+clear;clc;

+//Given

+Vsatp = 15 ; Vsatm = -15 ;// Saturation Voltages

+Vh = 4 ; //Hysteresis Voltage

+Vctr = 10 ; //Center voltage

+n = ((Vsatp - Vsatm)/Vh)-1 ;

+R = 10*10^3 ;//Input Resistance

+Vref = ((n + 1)*(Vctr))/n ; // Reference Voltage

+Resistance = n * R // Feedback Resistance

+printf (" \n\n Resistance Factor = %.4f ", n)

+printf (" \n\n Reference Voltage = %.4f ", Vref)

+printf (" \n\n Feedback Resistance = %.4f ", Resistance)

+xcos('Figure4_5.xcos');

diff --git a/196/CH4/EX4.5/result_4_5.txt b/196/CH4/EX4.5/result_4_5.txt
new file mode 100755
index 000000000..6df1c9fc7
--- /dev/null
+++ b/196/CH4/EX4.5/result_4_5.txt
@@ -0,0 +1,5 @@
+ Resistance Factor = 6.5000  

+

+ Reference Voltage = 11.5385  

+

+ Feedback Resistance = 65000.0000 
\ No newline at end of file
diff --git a/196/CH4/EX4.6/example_4_6.sce b/196/CH4/EX4.6/example_4_6.sce
new file mode 100755
index 000000000..164e2b4d6
--- /dev/null
+++ b/196/CH4/EX4.6/example_4_6.sce
@@ -0,0 +1,20 @@
+//Chapter 4

+//Example 4-6

+//DesignOnInvertingVoltageLevelDetector 

+//Page 100

+clear;clc;

+//Given

+Vut = 13.5 ; Vlt = 10.5 ; //Upper and Lower Threshold Voltages

+Vref = -15 ; // Reference Voltage

+Vsatp = 13 ; Vsatm = -13;//Saturation Voltages 

+R = 10*10^3 ; // Input Resistance

+Vctr = (Vut + Vlt)/2;

+Vh = Vut - Vlt ;

+m = -(Vref / Vctr);

+Resistance = m * R ;

+n = (Vsatp-Vsatm)/Vh ;

+Resistance1 = n * R ;

+printf (" \n\n Hysteresis Voltage = %.4f ", Vh )

+printf (" \n\n Center Voltage = %.4f ", Vctr )

+printf (" \n\n Resistor mR = %.4f ", Resistance)

+printf (" \n\n Resistor nR = %.4f ", Resistance1) 
\ No newline at end of file
diff --git a/196/CH4/EX4.6/result_4_6.txt b/196/CH4/EX4.6/result_4_6.txt
new file mode 100755
index 000000000..40464cd2d
--- /dev/null
+++ b/196/CH4/EX4.6/result_4_6.txt
@@ -0,0 +1,7 @@
+Hysteresis Voltage = 3.0000  

+

+Center Voltage = 12.0000  

+

+Resistor mR = 12500.0000  

+

+Resistor nR = 86666.6667 
\ No newline at end of file