initial commit / add all books

13 files changed, 209 insertions, 0 deletions

diff --git a/226/CH18/EX18.1/example1_sce.sce b/226/CH18/EX18.1/example1_sce.sce
new file mode 100755
index 000000000..83830e208
--- /dev/null
+++ b/226/CH18/EX18.1/example1_sce.sce
@@ -0,0 +1,16 @@
+//chapter 18

+//example 18.1

+//page 761

+printf("\n")

+printf("given")

+Vs=21;Vo=12;Av=100;

+vo=(Vs*.1)/Av;//source effect is 10% of the Vs

+printf(" source effect is %3.3fV\n",vo)

+vo=(21-20)/100;

+printf(" laod effect is %3.3fV\n",vo)

+LR=(21*10^-3 *100)/12;

+printf("line regulation is %3.3fpercentage\n",LR)

+LR=(10*10^-3*100)/12;

+printf(" load effect is %3.3fpercentage \n",LR)

+RJ=20*log10(1/Av);

+printf("ripple rejection is %ddB\n",RJ)
\ No newline at end of file
diff --git a/226/CH18/EX18.10/example10_sce.sce b/226/CH18/EX18.10/example10_sce.sce
new file mode 100755
index 000000000..cb81f9b26
--- /dev/null
+++ b/226/CH18/EX18.10/example10_sce.sce
@@ -0,0 +1,10 @@
+//chapter 18

+//example 18.10

+//page 785

+printf("\n")

+printf("given")

+I1=1*10^-3;Vref=1.25;Vo=6;Vs=15;Il=200*10^-3;

+R1=Vref/I1

+R2=(Vo-Vref)/I1

+Pd=(Vs-Vo)*Il;

+printf("regulated power dissipation is %3.2fW\n",Pd)
\ No newline at end of file
diff --git a/226/CH18/EX18.11/example11_sce.sce b/226/CH18/EX18.11/example11_sce.sce
new file mode 100755
index 000000000..e9d941311
--- /dev/null
+++ b/226/CH18/EX18.11/example11_sce.sce
@@ -0,0 +1,14 @@
+//chapter 18

+//example 18.11

+//page 788

+printf("\n")

+printf("given")

+Vo=10;Io=1;Vce=7;Vf=1;

+Po=Vo*Io

+disp(" linear regulator")

+Pi=Po+(Vce*Io)

+n=(Po*100)/Pi//efficiency

+disp(" switching regulator")

+Vce=1;

+Pi=Po+Io*(Vce+Vf)

+n=(Po*100)/Pi//efficiency
\ No newline at end of file
diff --git a/226/CH18/EX18.12/example12_sce.sce b/226/CH18/EX18.12/example12_sce.sce
new file mode 100755
index 000000000..af56a88fe
--- /dev/null
+++ b/226/CH18/EX18.12/example12_sce.sce
@@ -0,0 +1,13 @@
+//chapter 18

+//example 18.12

+//page 792

+printf("\n")

+printf("given")

+f=50*10^3;Vo=12;Vf=.7;Vi=30;Vsat=1;Io=500*10^-3;Vr=100*10^-3;

+T=1/f

+t=(Vo+Vf)/(Vi-Vsat-Vo)

+toff=T/1.75

+ton=T-toff

+Ip=2*Io

+L1=((Vi-Vsat-Vo)*ton)/Ip

+C1=Ip/(8*f*Vr)
\ No newline at end of file
diff --git a/226/CH18/EX18.13/example13_sce.sce b/226/CH18/EX18.13/example13_sce.sce
new file mode 100755
index 000000000..3e7f2bc68
--- /dev/null
+++ b/226/CH18/EX18.13/example13_sce.sce
@@ -0,0 +1,13 @@
+//chapter 18

+//example 18.13

+//page 799

+printf("\n")

+printf("given")

+disp(" an MC34063 controller is for step down transformer")

+Ib=-400*10^-3;I1=1*10^-3;Vref=1.25;V0=12;Ip=1;ton=8.6*10^-6;

+R1=Vref/I1

+R1=1.2*10^3;//use standard value

+I1=Vref/R1

+R2=(Vo-Vref)/I1

+Rsc=.33/Ip

+Ct=4.8*10^-5 *ton
\ No newline at end of file
diff --git a/226/CH18/EX18.2/example2_sce.sce b/226/CH18/EX18.2/example2_sce.sce
new file mode 100755
index 000000000..0dc0e65b7
--- /dev/null
+++ b/226/CH18/EX18.2/example2_sce.sce
@@ -0,0 +1,23 @@
+//chapter 18

+//example 18.2

+//page 762

+printf("\n")

+printf("given")

+Vo=12;Il=40*10^-3;Vs=20;Vbe=.7;

+Vz=.75*Vo

+disp("for minimum D1 current select")

+Ir2=10*10^-3;

+R2=(Vo-Vz)/Ir2

+Ie1=Il+Ir2

+disp("specification for Q")

+Vce1=20;Vs=Vce1;

+Ic1=50*10^-3;

+Pd=(Vs-Vo)*Ie1

+hfe=50;

+Ib1=Ie1/hfe

+Ic2=5*10^-3;

+R1=(Vs-(Vo+.7))/(Ic2+Ib1)

+Iz=Ie2+Ir2

+I4=1*10^-3;

+R4=(Vz+Vbe)/I4

+R3=(Vo-(Vz+Vbe))/I4
\ No newline at end of file
diff --git a/226/CH18/EX18.3/example3_sce.sce b/226/CH18/EX18.3/example3_sce.sce
new file mode 100755
index 000000000..04ee8b8fd
--- /dev/null
+++ b/226/CH18/EX18.3/example3_sce.sce
@@ -0,0 +1,15 @@
+//chapter 18

+//example 18.3

+//page 765

+printf("\n")

+printf("given")

+I4=1*10^-3;Vb2=9.8;

+disp(" for Vo=11V moving contact at top of R5")

+Vo=11;

+R3=(Vo-Vb2)/I4

+R=Vb2/I4//R=R4+R5

+disp(" for Vo=13V moving contact at bottom of R5")

+Vo=13;

+I4=Vo/(R3+R)

+R4=Vb2/I4

+R5=R-R4
\ No newline at end of file
diff --git a/226/CH18/EX18.4/example4_sce.sce b/226/CH18/EX18.4/example4_sce.sce
new file mode 100755
index 000000000..2ed11d456
--- /dev/null
+++ b/226/CH18/EX18.4/example4_sce.sce
@@ -0,0 +1,13 @@
+//chapter 18

+//example 18.4

+//page 766

+printf("\n")

+printf("given")

+hFE3=50;hFE1=20;Ie1=200*10^-3+10*10^-3;Ic2=1*01^-3;Vs=20;Vb3=13.4;Vo=12;Vbe=.7;

+Ib1=Ie1/hFE1

+Ib3=Ib1/hFE3

+R1=(Vs-Vb3)/(Ic2+Ib3)

+disp("select I6=.5*10^-3")

+I6=.5*10^-3;

+R6=(Vo+Vbe)/I6

+Pd=(Vs-Vo)*Ie1
\ No newline at end of file
diff --git a/226/CH18/EX18.5/example5_sce.sce b/226/CH18/EX18.5/example5_sce.sce
new file mode 100755
index 000000000..8a931b278
--- /dev/null
+++ b/226/CH18/EX18.5/example5_sce.sce
@@ -0,0 +1,10 @@
+//chapter 18

+//example 18.5

+//page 769

+printf("\n")

+printf("given")

+Vr1=3;Ic2=1*10^-3;Ib3=.21*10^-3;Vbe1=.7;Vbe3=Vbe1;Vs=20;

+R1=Vr1/(Ic2+Ib3)

+Vz2=Vo+Vbe1+Vbe3+Vr1

+Ir7=5*10^-3;

+R2=(Vs-Vz2)/Ir7
\ No newline at end of file
diff --git a/226/CH18/EX18.6/example6_sce.sce b/226/CH18/EX18.6/example6_sce.sce
new file mode 100755
index 000000000..1c92307ce
--- /dev/null
+++ b/226/CH18/EX18.6/example6_sce.sce
@@ -0,0 +1,28 @@
+//chapter 18

+//example 18.6

+//page 770

+printf("\n")

+printf("given")

+Vc5=9.8;Vb2=Vc5;Vce5=3;Vbe=.7;Vo=12;

+Vr9=Vc5-Vce5

+Vz2=Vr9+Vbe

+Ic5=1*10^-3;

+R8=(Vo-Vc5)/Ic5

+Ir9=2*Ic5

+R9=Vr9/Ir9

+disp(" Iz2>>Ib5 and Iz2>(Izk for the zener diode)")

+Iz2=10*10^-3;

+R7=(Vo-Vz2)/Iz2

+I4=1*10^-3;

+Vb6=7.5;Vz2=Vb6;

+disp(" when Vo=11V(moving contact at top of R5)")

+Vo=11;

+R3=(Vo-Vb6)/I4

+R3=3.3*10^3;//use standard value

+I4=(Vo-Vb6)/R3

+R=Vb6/I4//R=R4+R5

+disp(" when Vo=13V(moving contact at bottom of R5)")

+Vo=13;Vb6=7.5;

+I4=Vo/(R3+R)

+R4=Vb6/I4

+R5=R-R4
\ No newline at end of file
diff --git a/226/CH18/EX18.7/example7_sce.sce b/226/CH18/EX18.7/example7_sce.sce
new file mode 100755
index 000000000..4542c2063
--- /dev/null
+++ b/226/CH18/EX18.7/example7_sce.sce
@@ -0,0 +1,14 @@
+//chapter 18

+//example 18.7

+//page 7

+printf("\n")

+printf("given")

+Isc=100*10^-3;Vr10=.5;Vo=12;

+R10=Vr10/Isc

+R10=4.7;//use standard value

+Il=200*10^-3;

+Vr10=Il*R10

+Vr11=Vr10-.5

+I11=1*10^-3;

+R11=Vr11/I11

+R12=(Vo+Vr10-Vr11)/I11
\ No newline at end of file
diff --git a/226/CH18/EX18.8/example8_sce.sce b/226/CH18/EX18.8/example8_sce.sce
new file mode 100755
index 000000000..784bff263
--- /dev/null
+++ b/226/CH18/EX18.8/example8_sce.sce
@@ -0,0 +1,23 @@
+//chapter 18

+//example 18.8

+//page 778

+printf("\n")

+printf("given")

+Vo=12;hFE1=20;hFE2=50;Il=250*10^-3;

+Vz=.75*Vo

+Vz=9.1;//use standard value for 1N757 diode

+Iz1=10*10^-3;

+R1=(Vo-Vz)/Iz1

+I3=1*10^-3;

+disp(" when V0=12V(moving contact at top of R5)")

+R3=(Vo-Vz)/I3

+R=Vz/I3

+disp(" when Vo=15V moving contact at bottom of R5")

+Vo=15;

+I3=Vo/(R+R3)

+R4=Vz/I3

+R5=R-R4

+Ir6=.5*10^-3;

+R6=Vo/Ir6

+disp(" op-amp output current")

+Ib2=Il/(hFE1*hFE2)
\ No newline at end of file
diff --git a/226/CH18/EX18.9/example9_sce.sce b/226/CH18/EX18.9/example9_sce.sce
new file mode 100755
index 000000000..42c102525
--- /dev/null
+++ b/226/CH18/EX18.9/example9_sce.sce
@@ -0,0 +1,17 @@
+//chapter 18

+//example 18.9

+//page 782

+printf("\n")

+printf("given")

+I2=1*10^-3;Vr2=7.15;Vref=Vr2;Vo=10;Pdmax=1000*10^-3;

+R2=Vref/I2

+R2=6.8*10^3;//use standard value and recalculate the I2

+I2=Vref/R2

+R1=(Vo-Vref)/I2

+Vs=Vo+5//for satisfactory operation of series pass transistor

+Iint=25*10^-3;//internal circuit current

+Pi=Vs*Iint

+disp("maximum power dissipated in series pass transistor")

+Pd=Pdmax-Pi

+disp("maximum load current is ")

+Il=Pd/(Vs-Vo)