initial commit / add all books

9 files changed, 85 insertions, 0 deletions

diff --git a/1658/CH24/EX24.1/Ex24_1.sce b/1658/CH24/EX24.1/Ex24_1.sce
new file mode 100755
index 000000000..63dc02d45
--- /dev/null
+++ b/1658/CH24/EX24.1/Ex24_1.sce
@@ -0,0 +1,6 @@
+

+clc;

+Pi=5;

+Po=100;

+G=10*log10(Po/Pi);

+disp('dB',G*1,"G=");

diff --git a/1658/CH24/EX24.2/Ex24_2.sce b/1658/CH24/EX24.2/Ex24_2.sce
new file mode 100755
index 000000000..3b929a6f2
--- /dev/null
+++ b/1658/CH24/EX24.2/Ex24_2.sce
@@ -0,0 +1,6 @@
+

+clc;

+Pi=5*10**-3;

+Po=1;

+G=10*log10(Po/Pi);

+disp('dB',G*1,"G=");//ans given in the book is wrong

diff --git a/1658/CH24/EX24.3/Ex24_3.sce b/1658/CH24/EX24.3/Ex24_3.sce
new file mode 100755
index 000000000..fa250f9c0
--- /dev/null
+++ b/1658/CH24/EX24.3/Ex24_3.sce
@@ -0,0 +1,6 @@
+

+clc;

+Pi=20*10**-6;

+Po=100*10**-6;

+G=10*log10(Po/Pi);

+disp('dB',G*1,"G=");

diff --git a/1658/CH24/EX24.4/Ex24_4.sce b/1658/CH24/EX24.4/Ex24_4.sce
new file mode 100755
index 000000000..46a32a729
--- /dev/null
+++ b/1658/CH24/EX24.4/Ex24_4.sce
@@ -0,0 +1,5 @@
+

+clc;

+Po=25;

+G=10*log10(Po/(1*10**-3));

+disp('dB',G*1,"G=");

diff --git a/1658/CH24/EX24.5/Ex24_5.sce b/1658/CH24/EX24.5/Ex24_5.sce
new file mode 100755
index 000000000..8f8e48bbd
--- /dev/null
+++ b/1658/CH24/EX24.5/Ex24_5.sce
@@ -0,0 +1,6 @@
+

+clc;

+V2=100;

+V1=25;

+G=10*log10(V2/V1);

+disp('dB',G*1,"G=");

diff --git a/1658/CH24/EX24.8/Ex24_8.sce b/1658/CH24/EX24.8/Ex24_8.sce
new file mode 100755
index 000000000..ebed8ea7c
--- /dev/null
+++ b/1658/CH24/EX24.8/Ex24_8.sce
@@ -0,0 +1,13 @@
+
+clc;
+R=5*10**3;
+C=0.1*10**-6;
+f1=1/(2*%pi*R*C);
+disp('HZ',f1*1,"f1=");
+i=-21:3:0;
+plot2d(i);
+a=gca() //get the current axes
+a.box="off";
+a.x_location="top";
+xlabel("f (log scale)");
+ylabel( "Av(dB)");
diff --git a/1658/CH24/EX24.8/example24_8.png b/1658/CH24/EX24.8/example24_8.png
new file mode 100755
index 000000000..ba4172963
--- /dev/null
+++ b/1658/CH24/EX24.8/example24_8.png
diff --git a/1658/CH24/EX24.9/24_9.png b/1658/CH24/EX24.9/24_9.png
new file mode 100755
index 000000000..4e7a83f8d
--- /dev/null
+++ b/1658/CH24/EX24.9/24_9.png
diff --git a/1658/CH24/EX24.9/Ex24_9.sce b/1658/CH24/EX24.9/Ex24_9.sce
new file mode 100755
index 000000000..773f33809
--- /dev/null
+++ b/1658/CH24/EX24.9/Ex24_9.sce
@@ -0,0 +1,43 @@
+

+clc;

+RC=4*10**3;

+R1=40*10**3;

+R2=10*10**3;

+RE=2*10**3;

+RS=1*10**3;

+RL=2.2*10**3;

+CS=10*10**-6;

+CE=20*10**-6;

+CC=1*10**-6;

+B=100;

+VCC=20;

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

+IE=(VB-0.7)/RE;

+re=(26*10**-3)/IE;

+B*re;

+vo=-(RC*RL)/(RC+RL);

+Av=vo/re;

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

+Ri=(a*(B*re))/(a+(B*re));

+Rs=1*10**3;

+vibyvs=Ri/(Ri+Rs);

+Avs=Av*vibyvs;

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

+Ri=(a*(B*re))/(a+(B*re));

+fLS=1/(2*%pi*(Rs+Ri)*CS);

+disp('HZ',fLS*1,"fLS=");

+fLC=1/(2*%pi*(RC+RL)*CC);

+disp('HZ',fLC*1,"fLC=");

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

+RS=(a*RS)/(a+RS);

+b=(RS/B+re);

+Re=(RE*b)/(RE+b);

+fLE=1/(2*%pi*Re*CE);

+disp('HZ',fLE*1,"fLE=");

+i=-21:3:0;

+plot2d(i);

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

+a.box="off";

+a.x_location="top";

+xlabel("f (log scale)");

+ylabel( "Av(dB)");