initial commit / add all books

12 files changed, 199 insertions, 0 deletions

diff --git a/2093/CH6/EX6.1/exa_6_1.sce b/2093/CH6/EX6.1/exa_6_1.sce
new file mode 100755
index 000000000..fe36d0e85
--- /dev/null
+++ b/2093/CH6/EX6.1/exa_6_1.sce
@@ -0,0 +1,11 @@
+// Exa 6.1

+clc;

+clear;

+close;

+// Given data

+Vf= 0.0125;// in volt

+Vo= 0.5;// in volt

+Bita= Vf/Vo;

+// For oscillator A*Bita= 1

+A= 1/Bita;

+disp("Amplifier Should have a minimum gain of "+string(A)+" to provide oscillation")

diff --git a/2093/CH6/EX6.10/exa_6_10.sce b/2093/CH6/EX6.10/exa_6_10.sce
new file mode 100755
index 000000000..083bd9d1f
--- /dev/null
+++ b/2093/CH6/EX6.10/exa_6_10.sce
@@ -0,0 +1,13 @@
+// Exa 6.10

+clc;

+clear;

+close;

+// Given data

+R1= 220;// in kohm

+R1=R1*10^3;// in ohm

+R2=R1;// in ohm

+C1= 250;// in pF

+C1= C1*10^-12;// in F

+C2=C1;// in F

+f= 1/(2*%pi*R1*C1);

+disp(f,"Frequency of oscilltions in Hz is : ")

diff --git a/2093/CH6/EX6.11/exa_6_11.sce b/2093/CH6/EX6.11/exa_6_11.sce
new file mode 100755
index 000000000..3c33873e2
--- /dev/null
+++ b/2093/CH6/EX6.11/exa_6_11.sce
@@ -0,0 +1,16 @@
+// Exa 6.11

+clc;

+clear;

+close;

+// Given data

+R= 10;// in kohm

+R=R*10^3;// in ohm

+f=1000;

+fie= 60;// in °

+// The impedence of given circuit , Z= R+j*1/(omega*C)

+// the phase shift, tan(fie)= imaginary part/ Real part

+// tand(fie) = 1/(omega*R*C)

+C= 1/(2*%pi*R*tand(fie));

+disp(C*10^12,"The value of C in pF is : ")

+

+// Note : There is an calculation error to evaluate the value of C, So the answer in the book is wrong

diff --git a/2093/CH6/EX6.12/exa_6_12.sce b/2093/CH6/EX6.12/exa_6_12.sce
new file mode 100755
index 000000000..ab997c503
--- /dev/null
+++ b/2093/CH6/EX6.12/exa_6_12.sce
@@ -0,0 +1,20 @@
+// Exa 6.12

+clc;

+clear;

+close;

+// Given data

+L= 50;// in µH

+L= L*10^-6;// in H

+C1= 300;// in pF

+C1= C1*10^-12;// in F

+C2= 100;// in pF

+C2= C2*10^-12;// in F

+C_eq= C1*C2/(C1+C2);// in F

+f= 1/(2*%pi*sqrt(L*C_eq));// in Hz

+disp(f*10^-6,"Frequency of oscillations in MHz is : ")

+Bita= C2/C1;

+// (iii)

+// A*Bita >=1, so A*Bita= 1  (for sustained oscillations)

+Amin= 1/Bita;

+disp(Amin,"Minimum gain to substain oscillations is : ")

+

diff --git a/2093/CH6/EX6.14/exa_6_14.sce b/2093/CH6/EX6.14/exa_6_14.sce
new file mode 100755
index 000000000..8f8a1dd3b
--- /dev/null
+++ b/2093/CH6/EX6.14/exa_6_14.sce
@@ -0,0 +1,20 @@
+// Exa 6.14

+clc;

+clear;

+close;

+// Given data

+L1= 2;// in mH

+L1= L1*10^-3;// in H

+L2= 1.5;// in mH

+L2= L2*10^-3;// in H

+// Formula f= 1/(2*%pi*sqrt((L1+L2)*C)

+// For f= 1000 kHz, C will be maximum

+f=1000;// in kHz

+f=f*10^3;// in Hz

+Cmax= 1/((2*%pi*f)^2*(L1+L2));// in F

+// For f= 2000 kHz, C will be maximum

+f=2000;// in kHz

+f=f*10^3;// in Hz

+Cmin= 1/((2*%pi*f)^2*(L1+L2));// in F

+disp(Cmin*10^12,"Minimum Capacitance in pF is : ")

+disp(Cmax*10^12,"Maximum Capacitance in pF is : ")

diff --git a/2093/CH6/EX6.2/exa_6_2.sce b/2093/CH6/EX6.2/exa_6_2.sce
new file mode 100755
index 000000000..ecc350b1c
--- /dev/null
+++ b/2093/CH6/EX6.2/exa_6_2.sce
@@ -0,0 +1,15 @@
+// Exa 6.2

+clc;

+clear;

+close;

+// Given data

+R1= 50;// in kohm

+R1=R1*10^3;// in ohm

+R2=R1;// in ohm

+R3=R2;// in ohm

+C1= 60;// in pF

+C1= C1*10^-12;// in F

+C2=C1;// in F

+C3=C2;// in F

+f= 1/(2*%pi*R1*C1*sqrt(6));

+disp(f*10^-3,"Frequency of oscilltions in kHz is : ")

diff --git a/2093/CH6/EX6.3/exa_6_3.sce b/2093/CH6/EX6.3/exa_6_3.sce
new file mode 100755
index 000000000..12d57f079
--- /dev/null
+++ b/2093/CH6/EX6.3/exa_6_3.sce
@@ -0,0 +1,20 @@
+// Exa 6.3

+clc;

+clear;

+close;

+// Given data

+f=2;// in kHz

+f=f*10^3;// in Hz

+// Let

+R= 10;// in kohm   (As R should be greater than 1 kohm)

+R=R*10^3;// in ohm

+// Formula f= 1/(2*%pi*R*C)

+C= 1/(2*%pi*f*R);// in F

+C= C*10^9;// in nF

+// For Bita to be 1/3, Choose

+R4= R;// in ohm

+R3= 2*R4;// in ohm

+disp(C,"Value of C in nF is : ")

+disp(R3*10^-3,"Value of R3 in kohm is : ")

+disp(R4*10^-3,"Value of R4 in kohm is : ")

+

diff --git a/2093/CH6/EX6.4/exa_6_4.sce b/2093/CH6/EX6.4/exa_6_4.sce
new file mode 100755
index 000000000..466792dfc
--- /dev/null
+++ b/2093/CH6/EX6.4/exa_6_4.sce
@@ -0,0 +1,15 @@
+// Exa 6.4

+clc;

+clear;

+close;

+// Given data

+R1= 200;// in kohm

+R1=R1*10^3;// in ohm

+R2=R1;// in ohm

+C1= 200;// in pF

+C1= C1*10^-12;// in F

+C2=C1;// in F

+f= 1/(2*%pi*R1*C1);// in Hz

+disp(f*10^-3,"Frequency of oscilltions in kHz is : ")

+

+// Note: Calculation to find the value of f in the book is wrong, so answer in the book is wrong

diff --git a/2093/CH6/EX6.5/exa_6_5.sce b/2093/CH6/EX6.5/exa_6_5.sce
new file mode 100755
index 000000000..aa772cb12
--- /dev/null
+++ b/2093/CH6/EX6.5/exa_6_5.sce
@@ -0,0 +1,23 @@
+// Exa 6.5

+clc;

+clear;

+close;

+// Given data

+L= 100;// in µH

+L= L*10^-6;// in H

+C1= .001;// in µF

+C1= C1*10^-6;// in F

+C2= .01;// in µF

+C2= C2*10^-6;// in F

+C= C1*C2/(C1+C2);// in F

+// (i)

+f= 1/(2*%pi*sqrt(L*C));// in Hz

+disp(round(f*10^-3),"Operating frequency in kHz is : ")

+// (ii)

+Bita= C1/C2;

+disp(Bita,"Feedback fraction is : ")

+// (iii)

+// A*Bita >=1, so Amin*Bita= 1

+Amin= 1/Bita;

+disp(Amin,"Minimum gain to substain oscillations is : ")

+

diff --git a/2093/CH6/EX6.6/exa_6_6.sce b/2093/CH6/EX6.6/exa_6_6.sce
new file mode 100755
index 000000000..c53a7fea0
--- /dev/null
+++ b/2093/CH6/EX6.6/exa_6_6.sce
@@ -0,0 +1,14 @@
+// Exa 6.6

+clc;

+clear;

+close;

+// Given data

+L= 15;// in µH

+L= L*10^-6;// in H

+C1= .004;// in µF

+C1= C1*10^-6;// in F

+C2= .04;// in µF

+C2= C2*10^-6;// in F

+C= C1*C2/(C1+C2);// in F

+f= 1/(2*%pi*sqrt(L*C));// in Hz

+disp(f*10^-3,"Frequency of oscillations in kHz is : ")

diff --git a/2093/CH6/EX6.7/exa_6_7.sce b/2093/CH6/EX6.7/exa_6_7.sce
new file mode 100755
index 000000000..9168ff267
--- /dev/null
+++ b/2093/CH6/EX6.7/exa_6_7.sce
@@ -0,0 +1,12 @@
+// Exa 6.7

+clc;

+clear;

+close;

+// Given data

+L= 0.01;// in H

+C= 10;// in pF

+C= C*10^-12;// in F

+f= 1/(2*%pi*sqrt(L*C));// in Hz

+disp(f*10^-3,"Frequency of oscillations in kHz is : ")

+

+// Note: Calculation to find the value of f in the book is wrong, so answer in the book is wrong

diff --git a/2093/CH6/EX6.8/exa_6_8.sce b/2093/CH6/EX6.8/exa_6_8.sce
new file mode 100755
index 000000000..ce2cc1355
--- /dev/null
+++ b/2093/CH6/EX6.8/exa_6_8.sce
@@ -0,0 +1,20 @@
+// Exa 6.8

+clc;

+clear;

+close;

+// Given data

+L= 0.8;// in H

+

+C= .08;// in pF

+C= C*10^-12;// in F

+C_M= 1.9;// in pF

+C_M= C_M*10^-12;// in F

+C_T= C*C_M/(C+C_M);// in F

+R=5;// in kohm

+f_s= 1/(2*%pi*sqrt(L*C));// in Hz

+disp(f_s*10^-3,"Series resonant frequency in kHz is : ")

+// (ii)

+f_p= 1/(2*%pi*sqrt(L*C_T));// in Hz

+disp(f_p*10^-3,"parallel resonant frequency in kHz is : ")

+

+// Note: Calculation to find the value of parallel resonant frequency in the book is wrong, so answer in the book is wrong