initial commit / add all books

11 files changed, 316 insertions, 0 deletions

diff --git a/1514/CH16/EX16.1/16_1.sce b/1514/CH16/EX16.1/16_1.sce
new file mode 100755
index 000000000..591295bcf
--- /dev/null
+++ b/1514/CH16/EX16.1/16_1.sce
@@ -0,0 +1,33 @@
+//chapter 16

+//example 16.1

+//page 473

+clear all;

+clc ;

+//given

+Eo=20;//supply voltage

+Rl=500;//load resistance in ohm

+Vr=10/100*Eo;//ripple voltage

+fin=60;//ip frequency Hz

+Eomin=Eo-1;

+Eomax=Eo+1;

+theta1=asin(Eomin/Eomax);//in radians

+theta=(theta1*180)/%pi;//in degrees

+T=1000/60;//in  ms

+//for 360 degree,T

+//for 180=>

+T1=T *180/360;

+T2=T1/2;//time for 90 degrees

+T3=T*theta/360;//time for theta

+t1=T1+T2+T3;//total time

+Il=1000*Eo/Rl;//current in mA

+c=Il*t1/Vr;

+printf("\nReservoir capacitor is %d microF,use standard value 330 microF",ceil(c))

+

+

+

+

+

+

+

+

+

diff --git a/1514/CH16/EX16.10/16_10.sce b/1514/CH16/EX16.10/16_10.sce
new file mode 100755
index 000000000..b9b341b25
--- /dev/null
+++ b/1514/CH16/EX16.10/16_10.sce
@@ -0,0 +1,32 @@
+//chapter 16

+//example 16.10

+//page 504

+clear all;

+clc ;

+//given

+Vo=10;//op voltage

+I2=1;//error amplifier ip bias current

+Vref=7.15;//V reference

+VR2=Vref;

+R2=Vref/I2;

+printf("\nR2=%.2f kohm,standard value 6.8 kohm",R2);R2=6.8;

+I2=Vref/R2;//mA

+R1=(Vo-Vref)/I2;

+printf("\nR1=%.1f kohm,standard value 2.7 kohm",R1);

+Vs=Vo+5;//for satisfactory opertation of pass Xtor

+I=25;//internal ckt current Istandby+Iref

+//internal power dissipation

+Pi=Vs*I;

+printf("\ninternal power dissipation=%d mW",Pi)

+//max power dissipation in series pass Xtor

+PDmax=1000;

+P=PDmax-Pi;

+printf("\nmax power dissipation in series pass transistor=%d mW",P)

+//maximum load current

+Ilmax=P/(Vs-Vo);

+printf("\nmaximum load current=%d mA",Ilmax);

+

+

+

+

+

diff --git a/1514/CH16/EX16.11/16_11.sce b/1514/CH16/EX16.11/16_11.sce
new file mode 100755
index 000000000..0a1c8d8e2
--- /dev/null
+++ b/1514/CH16/EX16.11/16_11.sce
@@ -0,0 +1,15 @@
+//chapter 16

+//example 16.11

+//page 507

+clear all;

+clc ;

+//given

+Vo=6;//op voltage

+Vs=15;//supply voltage

+Iadj=100;//microA

+I1=2.5;

+Vref=2.5;

+R1=Vref/I1;

+printf("\nR1=%d kohm",R1);

+R2=(Vo-Vref)/I1;

+printf("\nR2=%.1f kohm,use 1.2 kohm + 200 ohm in series",R2);

diff --git a/1514/CH16/EX16.2/16_2.sce b/1514/CH16/EX16.2/16_2.sce
new file mode 100755
index 000000000..44a162f3c
--- /dev/null
+++ b/1514/CH16/EX16.2/16_2.sce
@@ -0,0 +1,31 @@
+//chapter 16

+//example 16.2

+//page 475

+clear all;

+clc ;

+//given

+Eo=20;//supply voltage

+Eomin=Eo-1;

+Eomax=Eo+1;

+theta1=asin(Eomin/Eomax);//in radians

+theta=(theta1*180)/%pi;//in degrees

+T=1000/60;//in  ms

+T1=T *180/360;

+T2=T1/2;//time for 90 degrees

+T3=T*theta/360;//time for theta

+t1=T1+T2+T3;//total time in ms

+t2=1.17; //ms

+Il=40;//mA

+//diode peak repetitive current

+Ifm=ceil(Il*(t1+t2)/t2);//mA

+//diode avg forward current

+Io=Il;

+Vp=Eomax+0.7;//Vf=0.7V

+//diode maximum reverse voltage

+Er = 2 * Vp

+printf("\nIFM(rep)=%d mA",Ifm)

+printf("\nFor 1n4001,\nVr=50 V\nIo=1 A\nIFM=10 A\nThis is suiatable for required application.")

+Ifmsurge=30;

+printf("\nIFM(surge)=%d A",Ifmsurge)

+Rs=Vp/Ifmsurge;

+printf("\nRs=%.1f ohm",Rs);

diff --git a/1514/CH16/EX16.3/16_3.sce b/1514/CH16/EX16.3/16_3.sce
new file mode 100755
index 000000000..b08ca9721
--- /dev/null
+++ b/1514/CH16/EX16.3/16_3.sce
@@ -0,0 +1,30 @@
+//chapter 16

+//example 16.3

+//page 477

+clear all;

+clc ;

+//given

+Vr=2;//ripple voltage

+Eo=20;//supply voltage

+Eomin=Eo-1;

+Eomax=Eo+1;

+theta=65;//in degrees

+T2=4.17;//time for 90 degrees ms

+T3=3;//time for theta ms

+Il=40;//mA

+t2=1.17;//ms

+t1=T2+T3;

+C=Il*t1/Vr;

+printf("\nReservoir capacitor is %d microF,use standard value 150 microF",(C))

+//diode peak repetitive current

+Ifm=(Il*(t1+t2)/t2);//mA

+printf("\ndiode peak repetitive current IFM(rep)=%d mA",Ifm)

+//diode avg forward current

+Io=Il/2;

+printf("\ndiode average forward current(Io)=%d mA",Io);

+//diode maximum reverse voltage

+Vp=Eomax+2*0.7;//Vf=0.7V

+Er=Vp;

+printf("\nEr=%.1f V",Er);

+printf("\n1N4001 is required")

+

diff --git a/1514/CH16/EX16.4/16_4.sce b/1514/CH16/EX16.4/16_4.sce
new file mode 100755
index 000000000..95103ad5d
--- /dev/null
+++ b/1514/CH16/EX16.4/16_4.sce
@@ -0,0 +1,17 @@
+//chapter 16

+//example 16.4

+//page 482

+clear all;

+clc ;

+//given

+Vs=24;//dc supply 

+printf("\nSuitable device is 1N757,from datasheet")

+Vz=9.1;//nominal voltage

+Iz=20;//nomonal current

+R1=1000*(Vs-Vz)/Iz;

+printf("\nseries resistance R1=%d ohm,use standard value 820 ohm",R1);R1=820;

+Vs=20;

+Iz=1000*(Vs-Vz)/R1;

+printf("\nWhen Vs=20 V,Iz=%.1f mA ",Iz);

+

+

diff --git a/1514/CH16/EX16.5/16_5.sce b/1514/CH16/EX16.5/16_5.sce
new file mode 100755
index 000000000..f817d03b2
--- /dev/null
+++ b/1514/CH16/EX16.5/16_5.sce
@@ -0,0 +1,21 @@
+//chapter 16

+//example 16.5

+//page 484

+clear all;

+clc ;

+//given

+Vs=15;//dc supply 

+Vref=6;

+printf("\nSuitable device is 1N753,from datasheet")

+Vz=6.2;//nominal voltage

+P=400;//nominal power in mW

+Izmin=5;

+Izm=P/Vz;//Izm=Ilmax+Izmin

+R1=10^3*(Vs-Vz)/Izm;

+printf("\nseries resistance R1=%d ohm,use standard value 150 ohm",R1);R1=150;

+Izm=1000*(Vs-Vz)/R1;

+Ilmax=Izm-Izmin;

+printf("\nMax load current =%d mA ",ceil(Ilmax))

+

+

+

diff --git a/1514/CH16/EX16.6/16_6.sce b/1514/CH16/EX16.6/16_6.sce
new file mode 100755
index 000000000..2d887cfdb
--- /dev/null
+++ b/1514/CH16/EX16.6/16_6.sce
@@ -0,0 +1,25 @@
+//chapter 16

+//example 16.6

+//page 485

+clear;

+clc ;

+//given

+Zzr=7;//dynamic impedance of 1N753

+Vs=15;//dc supply 

+R1=150;

+Vo=6.2;

+Ilmax=55;

+deltaVs=10/100*Vs;

+deltaVo=1000*deltaVs*Zzr/(R1+Zzr);

+//line regulation

+lineR=(deltaVo*100/Vo)/1000;

+printf("\nline regulation=%d%%  ",lineR)

+deltaIl=Ilmax;

+deltaVo=deltaIl*(Zzr*R1/(Zzr+R1));

+//load regulation

+loadR=(deltaVo*100/Vo)/1000;

+printf("\nload regulation=%.1f%% ",loadR)

+//ripple rejection

+RR = 20*log10((R1+Zzr)/Zzr);

+printf("\nripple rejection= %d db",RR)

+

diff --git a/1514/CH16/EX16.7/16_7.sce b/1514/CH16/EX16.7/16_7.sce
new file mode 100755
index 000000000..3d4831791
--- /dev/null
+++ b/1514/CH16/EX16.7/16_7.sce
@@ -0,0 +1,27 @@
+//chapter 16

+//example 16.7

+//page 489

+clear;

+clc ;

+//given

+Eoavg=20;

+Eomax=21;

+Vo=12;

+Av=100//voltage gain

+//10% change in filter op

+deltaEo=10/100*20;

+deltaVs=deltaEo;

+deltaVo=1000*deltaVs/Av;//mV

+//line regulation

+lineR=(deltaVo*100/Vo)/1000;

+printf("\nline regulation=%.2f%% ",lineR);

+//Eo changes from Eomax to Eoavg

+deltaEo=Eomax-Eoavg;

+deltaVs=deltaEo;

+//Il change from no load to full load

+deltaVo=1000*deltaVs/Av;

+//load regulation

+loadR=(deltaVo*100/Vo)/1000;

+printf("\nload regulation=%.2f%% ",loadR)

+

+

diff --git a/1514/CH16/EX16.8/16_8.sce b/1514/CH16/EX16.8/16_8.sce
new file mode 100755
index 000000000..5faf3d580
--- /dev/null
+++ b/1514/CH16/EX16.8/16_8.sce
@@ -0,0 +1,45 @@
+//chapter 16

+//example 16.8

+//page 490

+clear all;

+clc ;

+//given

+Vs=20;//supply voltage

+Vo=12;//op voltage

+Ilmax=40;//maximum load current mA

+Vz=Vo/2;

+printf("\nSuitable device is 1N753,from datasheet")

+Vz=6.2;//nominal voltage

+//to keep D1 in breakdown

+IR2=10;//mA

+R2=1000*(Vo-Vz)/IR2;

+printf("\nR2=%d ohm,standard value 560 ohm",R2);

+IE1max=Ilmax+IR2;

+//power dissipation in Q1

+P1max=IE1max*(Vs-Vo);

+VCE1max=Vs;

+IC1max=IE1max;

+//choosing suitable transistor and finding it's hfemin at IC=50mA

+hfemin=50;

+IB1max=IE1max/hfemin;

+//IC2>>IB1max,let

+IC2=5;

+VB1=Vo+0.7;

+R1=(Vs-(VB1))/(IC2+IB1max);

+R1=R1-0.01;

+printf("\nR1=%.2f kohm,standard value 1.2 kohm",R1);

+IE2=5;IR2=10;

+Iz=IE2+IR2;

+//I4>>IB2,let

+I4=1;

+R4=(Vz+0.7)/I4;

+printf("\nR4=%.1f kohm,standard value 6.8 kohm",R4);

+R3=(Vo-6.9)/I4;

+printf("\nR3=%.1f kohm,standard value 4.7 or 5.6 kohm for Vo<12 or Vo>12 resp",R3);

+

+

+

+

+

+

+

diff --git a/1514/CH16/EX16.9/16_9.sce b/1514/CH16/EX16.9/16_9.sce
new file mode 100755
index 000000000..e778f2a89
--- /dev/null
+++ b/1514/CH16/EX16.9/16_9.sce
@@ -0,0 +1,40 @@
+//chapter 16

+//example 16.9

+//page 4

+clear all;

+clc ;

+//given

+Ilmax=100;//maximum op current

+Vs=20;//supply voltage

+//maximum op voltage 10-15V

+Vomin=10;Vomax=15;

+Vz1=Vomin/2;

+Vz2=Vomax/2;

+printf("\nSuitable device is 1N753,from datasheet")

+Vz=6.2;//nominal voltage

+Izr=20;

+Iz=Izr;

+Voavg=12.5;

+R1=1000*(Voavg-Vz)/Iz;

+printf("\nR1=%d ohm,standard value 330 kohm",R1);R1=330;

+//I3>Ibmax for opAmp,let

+I3min=1;

+//Vo=min,wiper at top of R4

+R3R4=Vz/I3min;

+VR3=Vz;

+R2=(Vomin-VR3)/I3min;

+printf("\nR2=%.1f kohm,standard value 3.3 kohm",R2);R2=3.3;

+//Vo=max,wiper at bottom of R4

+I3max=Vomax/(R2+R3R4);

+R3=Vz/I3max;

+R4=(R3R4)-R3;

+printf("\nR3=%.1f kohm",R3);

+printf("\nR4=%.1f kohm,standard value 3 kohm",R4);

+//Q1 specification

+P1=(Vs-Vomin)*(Ilmax+Iz+I3min);

+P1=P1/1000;

+printf("\nP1=%.2f W",P1)

+Vcemax=Vs;

+ICmax=Ilmax+Iz+I3min;

+printf("\nVcemax=%d V,ICmax=%d mA",Vcemax,ICmax)

+