initial commit / add all books

9 files changed, 211 insertions, 0 deletions

diff --git a/2330/CH7/EX7.1/ex7_1.sce b/2330/CH7/EX7.1/ex7_1.sce
new file mode 100755
index 000000000..3fa17fa7f
--- /dev/null
+++ b/2330/CH7/EX7.1/ex7_1.sce
@@ -0,0 +1,29 @@
+// Example 7.1

+format('v',6)

+clc;

+clear;

+close;

+// given data

+V_CC= 10;// in V

+R_E= 430;// in Ω

+V_BE= 0.7;//in V

+V_B= 5;//in V

+// The collector saturation current,

+I_Csat= V_CC/R_E;// in A

+// The collector emitter voltage,

+V_CEcutoff= V_CC;// in V

+// The collector current,

+I_C= (V_B-V_BE)/R_E;// in A

+// The collector emitter voltage,

+V_CE= V_CC-(V_B-V_BE);// in V

+I_C= I_C*10^3;// in mA

+disp("Q-point is : "+string(V_CE)+" V, "+string(I_C)+" mA");

+disp("DC load line shown in figure")

+I_C= I_C*10^-3;// in A

+V_CE= 0:0.1:V_CEcutoff;// in V

+I_C= (V_CC-V_CE)/R_E*10^3;// in mA

+// The plot of DC load line

+plot(V_CE,I_C);

+xlabel("V_CE in volts");

+ylabel("I_C in mA");

+title("DC load line")

diff --git a/2330/CH7/EX7.10/ex7_10.sce b/2330/CH7/EX7.10/ex7_10.sce
new file mode 100755
index 000000000..279e94527
--- /dev/null
+++ b/2330/CH7/EX7.10/ex7_10.sce
@@ -0,0 +1,24 @@
+// Example 7.10

+format('v',5)

+clc;

+clear;

+close;

+// given data

+R_E= 360;// in Ω

+R_L= 1*10^3;// in Ω

+R1= 100*10^3;//in Ω

+R2= 100*10^3;//in Ω

+r_desh_e1= 250;// in Ω

+r_desh_e2= 2.5;// in Ω

+h_FE= 100;

+h_fe= 100;

+// The load resistance,

+r_L= R_E*R_L/(R_E+R_L);// in Ω

+Zin1= h_FE*h_fe*r_L;// in Ω

+Zin= R1*R2*Zin1/(R1*R2+R2*Zin1+Zin1*R1);// in Ω

+Zin2= h_FE*(r_L+r_desh_e2);// in Ω

+Zin1= h_FE*(Zin2+r_desh_e1);// in Ω

+// The input impedence 

+Zin= R1*R2*Zin1/(R1*R2+R2*Zin1+Zin1*R1);// in Ω

+Zin= Zin*10^-3;// in k ohm

+disp(Zin,"The input impedence in kΩ is : ")

diff --git a/2330/CH7/EX7.11/ex7_11.sce b/2330/CH7/EX7.11/ex7_11.sce
new file mode 100755
index 000000000..d96bfa820
--- /dev/null
+++ b/2330/CH7/EX7.11/ex7_11.sce
@@ -0,0 +1,25 @@
+// Example 7.11

+format('v',5)

+clc;

+clear;

+close;

+// given data

+Vin= 20;// in V

+Vz= 10;// in V

+Rs= 680;// in Ω

+V_BE= 0.7;// in V

+R_L= 15;// in Ω

+bita= 80;

+Is= (Vin-Vz)/Rs;// in A

+Vout= Vz-V_BE;// in V

+I_E= Vout/R_L;// in A

+I_L= I_E;// in A

+I_B= I_E/bita;// in A

+// The current through the zener diode 

+Iz= Is-I_B;// in A

+V_CE= Vin-Vout;// in V

+// The transistor power dissipation 

+Po= I_L*(Vin-Vout);// in W

+Iz= Iz*10^3;// in mA

+disp(Iz,"The current through the zener diode in mA is : ");

+disp(Po,"The transistor power dissipation in watt is : ")

diff --git a/2330/CH7/EX7.2/ex7_2.sce b/2330/CH7/EX7.2/ex7_2.sce
new file mode 100755
index 000000000..6558e9b3c
--- /dev/null
+++ b/2330/CH7/EX7.2/ex7_2.sce
@@ -0,0 +1,18 @@
+// Example 7.2

+format('v',5)

+clc;

+clear;

+close;

+// given data

+Vin= 100;// in mV

+Vin= Vin*10^-3;// in V

+R_E= 430;// in Ω

+R_L= 1*10^3;// in Ω

+r_e= 2.5;// in Ω

+// The ac load resistance,

+r_L= R_E*R_L/(R_E+R_L);// in Ω

+A= r_L/(r_L+r_e);// unit less

+// The output voltage 

+Vout= A*Vin;// in V

+Vout= Vout*10^3;// in mV

+disp(Vout,"The output voltage in mV is : ")

diff --git a/2330/CH7/EX7.3/ex7_3.sce b/2330/CH7/EX7.3/ex7_3.sce
new file mode 100755
index 000000000..e92c42073
--- /dev/null
+++ b/2330/CH7/EX7.3/ex7_3.sce
@@ -0,0 +1,21 @@
+// Example 7.3

+format('v',5)

+clc;

+clear;

+close;

+// given data

+R_E= 430;// in Ω

+R_L= 100;// in Ω

+R1= 10*10^3;// in Ω

+R2= 10*10^3;// in Ω

+bita= 200;// unit less

+r_e= 2.5;// in Ω

+r_L= R_E*R_L/(R_E+R_L);// in Ω

+// The voltge gain 

+A= r_L/(r_L+r_e);

+disp(A,"The voltge gain is : ")

+Zin_base= bita*(r_L+r_e);// in Ω

+// The input impedence 

+Zin= R1*R2*Zin_base/(R1*R2+R2*Zin_base+Zin_base*R1);// in Ω

+Zin= Zin*10^-3;// in k ohm

+disp(Zin,"The input impedence in kΩ is : ")

diff --git a/2330/CH7/EX7.4/ex7_4.sce b/2330/CH7/EX7.4/ex7_4.sce
new file mode 100755
index 000000000..d6ebdaba0
--- /dev/null
+++ b/2330/CH7/EX7.4/ex7_4.sce
@@ -0,0 +1,17 @@
+// Example 7.4

+format('v',6)

+clc;

+clear;

+close;

+// given data

+R_E= 430;// in Ω

+R_L= 100;// in Ω

+R1= 10*10^3;// in Ω

+R2= 10*10^3;// in Ω

+bita= 200;

+r_e= 2.5;// in Ω

+// The load resistance

+r_L= R_E*R_L/(R_E+R_L);// in Ω

+// The power gain 

+G= bita*r_L/(r_L+r_e);

+disp(G,"The power gain is : ")

diff --git a/2330/CH7/EX7.5/ex7_5.sce b/2330/CH7/EX7.5/ex7_5.sce
new file mode 100755
index 000000000..9ac232746
--- /dev/null
+++ b/2330/CH7/EX7.5/ex7_5.sce
@@ -0,0 +1,17 @@
+// Example 7.5

+format('v',5)

+clc;

+clear;

+close;

+// given data

+R_C= 5*10^3;// in Ω

+r_e= 25;// in Ω

+Vin= 1*10^-3;// in V

+R_L= 1*10^3;// in Ω

+A= R_C/r_e;

+// Thevenin voltage,

+V_TH= A*Vin;// in V

+// The ac output voltage 

+Vout= R_L*V_TH/(R_C+R_L);// in V

+Vout= Vout*10^3;// in mV

+disp(Vout,"The ac output voltage in mV is : ")

diff --git a/2330/CH7/EX7.7/ex7_7.sce b/2330/CH7/EX7.7/ex7_7.sce
new file mode 100755
index 000000000..9c8a9a17e
--- /dev/null
+++ b/2330/CH7/EX7.7/ex7_7.sce
@@ -0,0 +1,32 @@
+// Example 7.7

+format('v',5)

+clc;

+clear;

+close;

+// given data

+V_B= 1.8;// in V

+V_E= 1.1;// in V

+V_TH= 200*10^-3;// in V

+I_E= 1*10^-3;// in A

+r_e= 2.5;//in Ω

+bita=200;

+V_CC= 10;// in V

+R_C= 5*10^3;// in Ω

+R_E= 430;// in Ω

+R_L= 1*10^3;//in Ω

+I_C= I_E;// in A

+// The collector voltage,

+V_C= V_CC-I_C*R_C;// in V

+V_E= 4.3;// in V

+// The emitter current,

+I_E= V_E/R_E;// in A

+// The base current,

+I_B= I_E/bita;// in A

+// The load resistance,

+r_L= R_E*R_L/(R_E+R_L);// in Ω

+Zin= bita*(r_L+r_e);// in Ω

+Vin= Zin*V_TH/(R_C+Zin);// in V

+// The ac output voltage

+Vout= r_L*Vin/(r_L+r_e);//in V

+Vout= Vout*10^3;// in mV

+disp(Vout,"The ac output voltage in mV is : ")

diff --git a/2330/CH7/EX7.9/ex7_9.sce b/2330/CH7/EX7.9/ex7_9.sce
new file mode 100755
index 000000000..33683062b
--- /dev/null
+++ b/2330/CH7/EX7.9/ex7_9.sce
@@ -0,0 +1,28 @@
+// Example 7.9

+format('v',6)

+clc;

+clear;

+close;

+// given data

+R1= 100;//in kΩ

+R2= 100;//in kΩ

+R3= 360;//in Ω

+bita= 100;

+V1= 5;// in V

+v1= 1.4;// in V

+v2= 25;// in mV

+// Voltage at first base

+V2= R1/R2*V1;// in V

+// Emitter current in second transistor

+I_E2= (V2-v1)/R3;// in A

+I_E2= I_E2*10^3;// in mA

+// Resistance of second emitter diode,

+r_desh_e2= v2/I_E2;// in Ω

+// Base current

+I_B2= I_E2/bita;// in mA 

+// Emitter current,

+I_E1= I_B2;// in mA

+// First emitter diode resistance

+r_desh_e1= v2/I_E1;// in Ω

+disp(r_desh_e2,"The value of r''e2 in Ω is : ")

+disp(r_desh_e1,"The value of r''e1 in Ω is : ")