initial commit / add all books

29 files changed, 457 insertions, 0 deletions

diff --git a/1658/CH18/EX18.1/Ex18_1.png b/1658/CH18/EX18.1/Ex18_1.png
new file mode 100755
index 000000000..a15557df7
--- /dev/null
+++ b/1658/CH18/EX18.1/Ex18_1.png
diff --git a/1658/CH18/EX18.1/Ex18_1.sce b/1658/CH18/EX18.1/Ex18_1.sce
new file mode 100755
index 000000000..365f1a201
--- /dev/null
+++ b/1658/CH18/EX18.1/Ex18_1.sce
@@ -0,0 +1,18 @@
+
+clc;
+//e.g 18.1
+Vbb=10;
+Rb=47*10**3;
+Vcc=20;
+Rc=10*10**3;
+B=100;
+Ic=Vcc/Rc;//saturation current
+disp('mA',Ic*10**3,"Ic=");
+Vce=Vcc;//cut-off voltage
+disp('V',Vce*1,"Vce=");
+i=2:-0.1:0;
+plot2d(i);
+a=gca() //get the current axes
+a.box="off";
+xlabel("VCE");
+ylabel( "IC");
diff --git a/1658/CH18/EX18.10/Ex18_10.sce b/1658/CH18/EX18.10/Ex18_10.sce
new file mode 100755
index 000000000..28ac21cab
--- /dev/null
+++ b/1658/CH18/EX18.10/Ex18_10.sce
@@ -0,0 +1,16 @@
+

+clc;

+//e.g 18.10

+Vbe=0.7;

+Rb=100*10**3;

+Vcc=10;

+Rc=10*10**3;

+beta=100;

+Ic=(Vcc-Vbe)/(Rc+(Rb/beta));//collector current

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc-(Ic*Rc);//collector to emitter voltage

+disp('V',Vce*1,"Vce=");

+Ic=Vcc/Rc;

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc;

+disp('V',Vce*1,"Vce=");

diff --git a/1658/CH18/EX18.11/Ex18_11.sce b/1658/CH18/EX18.11/Ex18_11.sce
new file mode 100755
index 000000000..3701c9ad4
--- /dev/null
+++ b/1658/CH18/EX18.11/Ex18_11.sce
@@ -0,0 +1,15 @@
+
+
+clc;
+//e.g 18.11
+Rb=100*10**3;
+Vcc=10;
+Rc=2*10**3;
+beta1=50;
+Vbe=0.7;
+Ib=(Vcc-Vbe)/(Rb+(beta1*Rc));
+disp('mA',Ib*10**3,"Ib=");
+Ic=beta1*Ib;
+disp('mA',Ic*10**3,"Ic=");
+Ie=Ic;
+disp('mA',Ie*10**3,"Ie=");
diff --git a/1658/CH18/EX18.12/Ex18_12.sce b/1658/CH18/EX18.12/Ex18_12.sce
new file mode 100755
index 000000000..81f981e4e
--- /dev/null
+++ b/1658/CH18/EX18.12/Ex18_12.sce
@@ -0,0 +1,18 @@
+

+clc;

+//e.g 18.12

+VCC=9;

+RB=220*10**3;

+RC=3.3*10**3;

+VBE=0.3;

+B=100;

+//if vc=0

+IB=(VCC-VBE)/(RB+(B*RC));

+disp('microA',IB*10**6,"IB=");

+IC=B*IB;

+disp('microA',IC*10**6,"IC=");//CORRECTION IN BOOK

+//if VC=9

+VC=9;

+IC=B*IB;

+disp('mA',IC*10**3,"IC=");

+//IC*RC=0,which means collector resistance is short circuited

diff --git a/1658/CH18/EX18.13/Ex18_13.sce b/1658/CH18/EX18.13/Ex18_13.sce
new file mode 100755
index 000000000..770d8422c
--- /dev/null
+++ b/1658/CH18/EX18.13/Ex18_13.sce
@@ -0,0 +1,24 @@
+

+clc;

+//e.g 18.13

+Vcc=12;

+Rc=3.3*10**3;

+Re=100;

+Ie=2*10**-3;

+Vbe=0.7;

+alpha=0.98;

+Ic=alpha*Ie;

+disp('mA',Ic*10**3,"Ic=");

+Vb=Vbe+(Ie*Re);

+disp('V',Vb*1,"Vb=");

+Vc=Vcc-(Ic*Rc);//collector to emitter voltage

+disp('V',Vc*1,"Vc=");

+R2=20*10**3;

+IR2=Vc/R2;

+disp('mA',IR2*10**3,"IR2=");

+Ib=Ie-Ic;

+disp('mA',Ib*10**3,"Ib=");

+IR1=IR2+Ib;

+disp('mA',IR1*10**3,"IR1=");

+R1=(Vc-Vb)/IR1;

+disp('kohm',R1*10**-3,"R1=");

diff --git a/1658/CH18/EX18.14/Ex18_14.sce b/1658/CH18/EX18.14/Ex18_14.sce
new file mode 100755
index 000000000..56cfb5b7d
--- /dev/null
+++ b/1658/CH18/EX18.14/Ex18_14.sce
@@ -0,0 +1,12 @@
+clc;

+VCC=24;

+RC=10*10**3;

+RE=270;

+VBE=0.7;

+B=45;

+VCE=5;

+IC=(VCC-VCE)/RC;

+disp('mA',IC*10**3,"IC=");

+RB=(2.6*10^3)*B;

+disp('kohm',RB*10**-3,"RB=")

+

diff --git a/1658/CH18/EX18.15/Ex18_15.sce b/1658/CH18/EX18.15/Ex18_15.sce
new file mode 100755
index 000000000..31895ff74
--- /dev/null
+++ b/1658/CH18/EX18.15/Ex18_15.sce
@@ -0,0 +1,15 @@
+

+clc;

+//e.g 18.15

+Rb=33*10**3;

+Vcc=3;

+Rc=1.8*10**3;

+beta=90;

+Vbe=0.7;

+Ib=(Vcc-Vbe)/(Rb+(Rc*beta));//collector current

+disp('mA',Ib*10**3,"Ib=");

+Ic=beta*Ib;

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc-(Ic*Rc);//collector to emitter voltage

+disp('V',Vce*1,"Vce=");

+S=(1+beta)/(1+beta*(Rc/(Rc+Rb)))//stability factor

diff --git a/1658/CH18/EX18.16/Ex18_16.sce b/1658/CH18/EX18.16/Ex18_16.sce
new file mode 100755
index 000000000..6fed67376
--- /dev/null
+++ b/1658/CH18/EX18.16/Ex18_16.sce
@@ -0,0 +1,20 @@
+

+clc;

+//e.g 18.16

+Vbe=0.7;

+Vcc=10;

+Rc=1*10**3;

+beta=100;

+R1=10*10**3;

+R2=5*10**3;

+Re=500;

+Vb=Vcc*(R2/(R1+R2));

+disp('V',Vb*1,"Vb=");

+Ve=Vb-Vbe;

+disp('V',Ve*1,"Ve=");

+Ie=Ve/Re;

+disp('mA',Ie*10**3,"Ie=");

+Ic=Ie;

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc-(Rc+Re);

+disp('V',Ve*1,"Ve=");

diff --git a/1658/CH18/EX18.17/Ex18_17.sce b/1658/CH18/EX18.17/Ex18_17.sce
new file mode 100755
index 000000000..7a8118ae1
--- /dev/null
+++ b/1658/CH18/EX18.17/Ex18_17.sce
@@ -0,0 +1,24 @@
+

+clc;

+//e.g 18.17

+Vcc=9;

+Rc=1*10**3;

+Re=680;

+beta=100;

+R1=33*10**3;

+R2=15*10**3;

+Vb=Vcc*(R2/(R1+R2));

+disp('V',Vb*1,"Vb=");

+Vbe=0.7;

+Ve=Vb-Vbe;

+disp('V',Ve*1,"Ve=");

+Ie=Ve/Re;

+disp('mA',Ie*10**3,"Ie=");

+Ic=Ie;

+disp('mA',Ic*10**3,"Ic=");

+VRc=Ic*Rc;

+disp('V',VRc*1,"VRc=");

+Vc=Vcc-VRc;

+disp('V',Vc*1,"Vc=");

+Vce=Vc-Ve;

+disp('V',Vce*1,"Vce=");

diff --git a/1658/CH18/EX18.18/Ex18_18.sce b/1658/CH18/EX18.18/Ex18_18.sce
new file mode 100755
index 000000000..7eb7204e2
--- /dev/null
+++ b/1658/CH18/EX18.18/Ex18_18.sce
@@ -0,0 +1,17 @@
+

+clc;

+VCC=5;

+RE=0.3*10**3;

+IC=1*10**-3;

+VCE=2.5;

+B=100;

+VBE=0.7;

+ICO=0;

+R2=10*10**3;

+IE=IC;

+RC=((VCC-VCE)/IC)-RE;

+disp('ohm',RC*1,"RC=");

+VE=IE*RE;

+VB=VE+VBE;

+R1=VCC*R2-R2;

+disp('Kohm',R1*10**-3,"R1=");

diff --git a/1658/CH18/EX18.19/Ex18_19.sce b/1658/CH18/EX18.19/Ex18_19.sce
new file mode 100755
index 000000000..514d52fea
--- /dev/null
+++ b/1658/CH18/EX18.19/Ex18_19.sce
@@ -0,0 +1,17 @@
+

+clc;

+Vcc=20;

+RC=1*10**3;

+RE=5*10**3;

+R1=10*10**3;

+R2=10*10**3;

+B=462;

+VBE=0.7;

+VB=Vcc*R2/(R1+R2);

+disp('V',VB*1,"VB=");

+VE=VB-VBE;

+IE=VE/RE;

+disp('mA',IE*10**3,"IE=");

+IC=IE;

+VCE=Vcc-IC*RC;

+disp('V',VCE*1,"VCE=");

diff --git a/1658/CH18/EX18.2/18_2.png b/1658/CH18/EX18.2/18_2.png
new file mode 100755
index 000000000..6ced12a56
--- /dev/null
+++ b/1658/CH18/EX18.2/18_2.png
diff --git a/1658/CH18/EX18.2/Ex18_2.sce b/1658/CH18/EX18.2/Ex18_2.sce
new file mode 100755
index 000000000..903e8eff3
--- /dev/null
+++ b/1658/CH18/EX18.2/Ex18_2.sce
@@ -0,0 +1,25 @@
+
+clc;
+//e.g 18.2
+Vbb=10;
+Rb=50*10**3;
+Vcc=20;
+Rc=300;
+beta=200;
+Ic=Vcc/Rc;//saturation current
+disp('mA',Ic*10**3,"Ic=");
+Vce=Vcc;//cut-off voltage
+disp('V',Vce*1,"Vce=");
+Ib=(Vbb-0.7)/Rb;
+ disp('10^-3A',Ib*10**3,"Ib=");
+ Ic=beta*Ib;
+  disp('10^-3A',Ic*10**3,"Ic=");
+Vce=Vcc-Ic*Rc;
+disp('V',Vce*1,"Vce=");
+i=21:-0.1:0;
+plot2d(i);
+a=gca() //get the current axes
+a.box="off";
+xlabel("VCE");
+ylabel( "IC");
+
diff --git a/1658/CH18/EX18.20/Ex18_20.sce b/1658/CH18/EX18.20/Ex18_20.sce
new file mode 100755
index 000000000..7576316d7
--- /dev/null
+++ b/1658/CH18/EX18.20/Ex18_20.sce
@@ -0,0 +1,13 @@
+

+clc;

+VCC=8;

+VRC=0.5;

+RC=800;

+a=0.96;

+VCE=VCC-VRC;//VRC=IC*RC

+IC=VRC/RC;

+disp('mA',IC*10**3,"IC=");

+IE=IC/a;

+disp('mA',IE*10**3,"IE=");

+IB=IE-IC;

+disp('microA',IB*10**6,"IB=");

diff --git a/1658/CH18/EX18.21/Ex18_21.sce b/1658/CH18/EX18.21/Ex18_21.sce
new file mode 100755
index 000000000..80053651c
--- /dev/null
+++ b/1658/CH18/EX18.21/Ex18_21.sce
@@ -0,0 +1,16 @@
+

+clc;

+VCC=12;

+RC=1*10**3;

+RE=100;

+R1=25*10**3;

+R2=5*10**3;

+B=50;

+VBE=0.6;

+VTH=VCC*R2/(R1+R2);

+RTH=R1*R2/(R1+R2);

+IE50=(VTH-VBE)/(RE+RTH/B);

+B=150;

+IE150=(VTH-VBE)/(RE+RTH/B);

+ICdiff=(IE150-IE50)/IE50;

+disp('%',ICdiff*100,"ICdiff=")

diff --git a/1658/CH18/EX18.24/Ex18_24.sce b/1658/CH18/EX18.24/Ex18_24.sce
new file mode 100755
index 000000000..162dd4703
--- /dev/null
+++ b/1658/CH18/EX18.24/Ex18_24.sce
@@ -0,0 +1,16 @@
+clc;

+B=50;

+VBE=0.7;

+VCC=22.5;

+RC=5.6*10**3;

+VCE=12;

+IC=1.5*10**-3;

+S=3;

+RE=(VCC-IC*RC-VCE)/IC;

+disp('kohm',RE*10^-3,"RE=");

+RTH=(4375)-RE;

+disp('kohm',RTH*10^-3,"RTH=");

+R2=0.1*B*RE;

+disp('kohm',R2*10^-3,"R2=");

+R1=(-RTH*R2)/(RTH-R2);

+disp('kohm',R1*10^-3,"R1=");

diff --git a/1658/CH18/EX18.25/Ex18_25.sce b/1658/CH18/EX18.25/Ex18_25.sce
new file mode 100755
index 000000000..c59541b59
--- /dev/null
+++ b/1658/CH18/EX18.25/Ex18_25.sce
@@ -0,0 +1,16 @@
+

+clc;

+VCC=10;

+VEE=10;

+RC=1*10**3;

+RE=5*10**3;

+RB=50*10**3;

+VBE=0.7;

+VE=-VBE;

+IE=(VEE-VBE)/RE;

+disp('mA',IE*10**3,"IE=");

+IC=IE;

+disp('mA',IC*10**3,"IC=");

+VC=VCC-IC*RC;

+VCE=VC-VE;

+disp('volts',VCE*1,"VCE=");

diff --git a/1658/CH18/EX18.26/Ex18_26.sce b/1658/CH18/EX18.26/Ex18_26.sce
new file mode 100755
index 000000000..22a335b53
--- /dev/null
+++ b/1658/CH18/EX18.26/Ex18_26.sce
@@ -0,0 +1,32 @@
+clc;

+VCC=20;

+VEE=20;

+RC=5*10**3;

+RE=10*10**3;

+RB=10*10**3;

+B1=50;

+B2=100;

+VBE1=0.7;

+VBE2=0.6;

+IE1=(VEE-VBE1)/(RE+RB/B1);

+disp('mA',IE1*10**3,"IE1=");

+IC1=IE1;

+VC1=VCC-IC1*RC;

+disp('V',VC1,"VC1=");

+VE=-VBE1;

+VCE1=VC1-VE;

+disp('V',VCE1,"VCE1=");

+IE2=(VEE-VBE2)/(RE+RB/B2);

+disp('mA',IE2*10**3,"IE2=");

+IC2=IE2;

+VC2=VCC-IC2*RC;

+disp('V',VC2,"VC2=");

+VE=-VBE2;

+VCE2=VC-VE;

+disp('V',VCE2,"VCE2=");

+delIc=(IC2-IC1)/IC1;

+disp('%',delIc*100,"delIc=");

+delVCE=(VCE1-VCE2)/VCE2;

+disp('%',delVCE*100,"delVCE=");

+

+

diff --git a/1658/CH18/EX18.27/Ex18_27.sce b/1658/CH18/EX18.27/Ex18_27.sce
new file mode 100755
index 000000000..c58e6d5d5
--- /dev/null
+++ b/1658/CH18/EX18.27/Ex18_27.sce
@@ -0,0 +1,20 @@
+

+clc;

+VCC=12;

+RC=2*10**3;

+RE=1*10**3;

+R1=100*10**3;

+R2=20*10**3;

+B=100;

+VBE=-0.2;

+VB=-VCC*R2/(R1+R2);

+disp('V',VB*1,"VB=");

+VE=VB-VBE;

+disp('V',VE*1,"VE=");

+IE=-VE/RE;

+IC=IE;

+disp('mA',IC*10**3,"IC=");

+VC=-(VCC-IC*RC);

+disp('V',VC*1,"VC=");

+VCE=VC-(VE);

+disp('V',VCE*1,"VCE=");

diff --git a/1658/CH18/EX18.28/Ex18_28.sce b/1658/CH18/EX18.28/Ex18_28.sce
new file mode 100755
index 000000000..a65caf73f
--- /dev/null
+++ b/1658/CH18/EX18.28/Ex18_28.sce
@@ -0,0 +1,21 @@
+clc;

+VCC=4.5;

+RC=1.5*10**3;

+RE=0.27*10**3;

+R2=2.7*10**3;

+R1=27*10**3;

+B=44;

+VBE=-0.3;

+VB=-VCC*R2/(R1+R2);

+disp('V',VB*1,"VB=");

+VE=VB-VBE;

+disp('V',VE*1,"VE=");

+IE=-VE/RE;

+IC=IE;

+disp('mA',IC*10**3,"IC=");

+VRC=IC*RC;

+disp('V',VRC*1,"VRC=");

+VC=-[VCC-VRC]

+disp('V',VC*1,"VC=");

+VCE=VC-(VE);

+disp('V',VCE*1,"VCE=");

diff --git a/1658/CH18/EX18.3/Ex18_3.sce b/1658/CH18/EX18.3/Ex18_3.sce
new file mode 100755
index 000000000..8362a7afb
--- /dev/null
+++ b/1658/CH18/EX18.3/Ex18_3.sce
@@ -0,0 +1,13 @@
+

+clc;

+//e.g 18.3

+Rb=180*10**3;

+Vcc=25;

+Rc=820;

+beta=80;

+Ib=Vcc/Rb;//saturation current

+disp('mA',Ib*10**3,"Ib=");

+Ic=beta*Ib;

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc-(Ic*Rc);//cut-off voltage

+disp('V',Vce*1,"Vce=");

diff --git a/1658/CH18/EX18.4/Ex18_4.sce b/1658/CH18/EX18.4/Ex18_4.sce
new file mode 100755
index 000000000..9c618b52c
--- /dev/null
+++ b/1658/CH18/EX18.4/Ex18_4.sce
@@ -0,0 +1,16 @@
+

+clc;

+//e.g 18.4;

+Vcc=12;

+Rc=330;

+Ib=0.3*10**-3;

+beta=100;

+//Ib=Vcc/Rb;//saturation current

+Rb=Vcc/Ib;

+disp('Kohm',Rb*10**-3,"Rb=");

+S=1+beta;

+disp(S);

+Ic=beta*Ib;

+disp('10^-3A',Ic*10**3,"Ic=");

+Vce=Vcc-(Ic*Rc);//cut-off voltage

+disp('V',Vce*1,"Vce=");

diff --git a/1658/CH18/EX18.5/Ex18_5.sce b/1658/CH18/EX18.5/Ex18_5.sce
new file mode 100755
index 000000000..41d17e7eb
--- /dev/null
+++ b/1658/CH18/EX18.5/Ex18_5.sce
@@ -0,0 +1,14 @@
+

+clc;

+//e.g 18.5

+Rb=400*10**3;

+Vcc=20;

+Rc=2*10**3;

+Re=1*10**3;

+beta=100;

+Ib=Vcc/(Rb+(beta*Re));//saturation current

+disp('mA',Ib*10**3,"Ib=");

+Ic=beta*Ib;

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc-(Ic*(Rc+Re));//cut-off voltage

+disp('V',Vce*1,"Vce=");

diff --git a/1658/CH18/EX18.6/EX18_6.png b/1658/CH18/EX18.6/EX18_6.png
new file mode 100755
index 000000000..39cb8a41c
--- /dev/null
+++ b/1658/CH18/EX18.6/EX18_6.png
diff --git a/1658/CH18/EX18.6/Ex18_6.sce b/1658/CH18/EX18.6/Ex18_6.sce
new file mode 100755
index 000000000..8c92781e3
--- /dev/null
+++ b/1658/CH18/EX18.6/Ex18_6.sce
@@ -0,0 +1,21 @@
+clc;
+//e.g 18.1
+Vcc=12;
+Rc=2.2*10**3;
+Rb=240;
+B=50;
+Vbe=0.7;
+RE=0;
+Ic=(Vcc-Vbe)/(RE+(Rb/B));//collector current
+disp('mA',Ic,"Ic=");
+Vce=Vcc-(Ic*10**-3)*Rc;//CE voltage
+disp('V',Vce*1,"Vce=");
+Icsat=Vcc/Rc;
+disp('mA',Icsat*10**3,"Icsat=");
+Vcec=Vcc;//cutoff voltage
+i=5.45:-0.5:0;
+plot(i);
+a=gca() //get the current axes
+a.box="off";
+xlabel("VCE");
+ylabel( "IC");
diff --git a/1658/CH18/EX18.7/Ex18_7.png b/1658/CH18/EX18.7/Ex18_7.png
new file mode 100755
index 000000000..0db4a1eef
--- /dev/null
+++ b/1658/CH18/EX18.7/Ex18_7.png
diff --git a/1658/CH18/EX18.7/Ex18_7.sce b/1658/CH18/EX18.7/Ex18_7.sce
new file mode 100755
index 000000000..579f116c0
--- /dev/null
+++ b/1658/CH18/EX18.7/Ex18_7.sce
@@ -0,0 +1,22 @@
+clc;

+//e.g 18.7

+Vcc=30;

+Rb=1.5*10**6;

+Rc=5*10**3;

+beta=100;

+Ic=Vcc/Rc;//saturation current

+disp('mA',Ic*10**3,"Ic=");

+Vce=Vcc;//cut-off voltage

+disp('V',Vce*1,"Vce=");

+Ib=Vcc/Rb;//base current

+disp('microA',Ib*10**6,"Ib=");

+ Ic=beta*Ib;

+  disp('mA',Ic*10**3,"Ic=");

+  Vce=Vcc-Ic*Rc;

+  disp('V',Vce*1,"Vce=");

+i=6:-0.2:0;

+plot2d(i);

+a=gca() //get the current axes

+a.box="off";

+xlabel("VCE");

+ylabel( "IC");

diff --git a/1658/CH18/EX18.9/Ex18_9.sce b/1658/CH18/EX18.9/Ex18_9.sce
new file mode 100755
index 000000000..dbdea9bd0
--- /dev/null
+++ b/1658/CH18/EX18.9/Ex18_9.sce
@@ -0,0 +1,16 @@
+
+
+clc;
+//e.g 18.9
+Rb=180*10**3;
+Vcc=25;
+Rc=820;
+Re=200;
+beta=80;
+Vbe=0.7;
+Ic=(Vcc-Vbe)/(Re+(Rb/beta));//collector current
+disp('mA',Ic*10**3,"Ic=");
+Vce=Vcc-(Ic*Rc);//collector to emitter voltage
+disp('V',Vce*1,"Vce=");
+S=(1+beta)/(1+beta*(Re/(Re+Rb)));
+disp(S,"S=");//stability factor