initial commit / add all books

12 files changed, 164 insertions, 0 deletions

diff --git a/226/CH17/EX17.1/example1_sce.sce b/226/CH17/EX17.1/example1_sce.sce
new file mode 100755
index 000000000..fa2ef84d2
--- /dev/null
+++ b/226/CH17/EX17.1/example1_sce.sce
@@ -0,0 +1,17 @@
+//chapter 17

+//example 17.1

+//page 716

+printf("\n")

+printf("given")

+rs=600;R1=12*10^3;Rl=100*10^3;C1=.013*10^-6;

+disp("when Rl is not connected")

+fc=1/(2*3.14*R1*C1)

+disp(" when Rl is connected")

+fc=1/(2*3.14*((R1*Rl)/(R1+Rl))*C1)

+Attn=3//at fc attenuation is =3dB

+falloffrate=6

+disp("attenuation at 2fc")

+Attn=3+6;

+printf("attenuation at 2fc is %ddB\n",Attn)

+Attn=3+6+6;

+printf(" attenuation at 4fc is %ddB\n",Attn)
\ No newline at end of file
diff --git a/226/CH17/EX17.10/example10_sce.sce b/226/CH17/EX17.10/example10_sce.sce
new file mode 100755
index 000000000..bb2ba4f13
--- /dev/null
+++ b/226/CH17/EX17.10/example10_sce.sce
@@ -0,0 +1,11 @@
+//chapter 17

+//example 17.10

+//page 737

+printf("\n")

+printf("given")

+R1=60.4*10^3;R4=1.21*10^3;C=.012*10^-6;R2=121*10^3;

+Q=sqrt((R1+R4)/(2*R4))

+fo=Q/(3.14*C*R2);

+printf(" center frequency is %3.2fHz\n",fo)

+BW=fo/Q;

+printf(" bandwidth is %3.1fHz\n",BW)
\ No newline at end of file
diff --git a/226/CH17/EX17.12/example12_sce.sce b/226/CH17/EX17.12/example12_sce.sce
new file mode 100755
index 000000000..46e6bd0c5
--- /dev/null
+++ b/226/CH17/EX17.12/example12_sce.sce
@@ -0,0 +1,12 @@
+//chapter 17

+//example 17.12

+//page 744

+printf("\n")

+printf("given")

+f1=10.3*10^3;f2=10.9*10^3;

+C1=1000*10^-12;C2=C1;

+fo=sqrt(f1*f2)

+R5=1/(2*3.14*fo*C1)

+R1=R5;

+Q=fo/(f2-f1)

+R2=R1*(2*Q-1)
\ No newline at end of file
diff --git a/226/CH17/EX17.13/example13_sce.sce b/226/CH17/EX17.13/example13_sce.sce
new file mode 100755
index 000000000..de56bb183
--- /dev/null
+++ b/226/CH17/EX17.13/example13_sce.sce
@@ -0,0 +1,12 @@
+//chapter 17

+//example 17.13

+//page 750

+printf("\n")

+printf("given")

+f1=10.3*10^3;f2=10.9*10^3;Hobp=34;

+sqrt(f1*f2)

+Q=fo/(f2-f1)

+R3=120*10^3;

+R2=R3/Q

+R1=R3/Hobp

+fck=50*fo
\ No newline at end of file
diff --git a/226/CH17/EX17.2/example2_sce.sce b/226/CH17/EX17.2/example2_sce.sce
new file mode 100755
index 000000000..8de2206a0
--- /dev/null
+++ b/226/CH17/EX17.2/example2_sce.sce
@@ -0,0 +1,11 @@
+//chapter 17

+//example 17.2

+//page 718

+printf("\n")

+printf("given")

+Ib=500*10^-9;f=1*10^3;

+R1=(70*10^-3)/Ib

+R1=140*10^3;//use standard value

+R2=R1;

+C1=(1/(2*3.14*R1*f))*10^12;

+printf(" capacitor used is of %dpF\n",C1)
\ No newline at end of file
diff --git a/226/CH17/EX17.3/example3_sce.sce b/226/CH17/EX17.3/example3_sce.sce
new file mode 100755
index 000000000..5428daf5f
--- /dev/null
+++ b/226/CH17/EX17.3/example3_sce.sce
@@ -0,0 +1,10 @@
+//chapter 17

+//example 17.3

+//page 719

+printf("\n")

+printf("given")

+disp("first order high pass active filter")

+f=5*10^3;C1=1000*10^-12;fu=1*10^6;

+R1=1/(2*3.14*f*C1)

+BW=fu-f;

+printf(" bandwidth is %dHz\n",BW)
\ No newline at end of file
diff --git a/226/CH17/EX17.4/example4_sce.sce b/226/CH17/EX17.4/example4_sce.sce
new file mode 100755
index 000000000..b9f09c63a
--- /dev/null
+++ b/226/CH17/EX17.4/example4_sce.sce
@@ -0,0 +1,17 @@
+//chapter 17

+//example 17.4

+//page 724

+printf("\n")

+printf("given")

+f=1*10^3;Ib=500*10^-9;

+disp("butterworth second order filter")

+R=(70*10^-3)/Ib

+R1=R/2

+R1=68.1*10^3;//use standard value

+R2=R1; 

+R3=2*R1

+Xc1=sqrt(2)*R2

+C1=1/(2*3.14*f*sqrt(2)*R2)

+C2=2*C1

+fc=1/(2*3.14*(sqrt(R1*R2*C1*C2)));

+printf("actual cutoff frequency is %dHz\n",fc)
\ No newline at end of file
diff --git a/226/CH17/EX17.5/example5_sce.sce b/226/CH17/EX17.5/example5_sce.sce
new file mode 100755
index 000000000..8d44ba0af
--- /dev/null
+++ b/226/CH17/EX17.5/example5_sce.sce
@@ -0,0 +1,13 @@
+//chapter 17

+//example 17.5

+//page 7

+printf("\n")

+printf("given")

+f=12*10^3;C1=1000*10^-12;

+disp("butterworth second order filter")

+C2=C1;

+R2=(sqrt(2))/(2*3.14*f*C1)

+R1=.5*R2

+R3=R2;

+fc=1/(2*3.14*(sqrt(R1*R2*C1*C2)));

+printf("actual cutoff frequency is %dHz\n",fc)
\ No newline at end of file
diff --git a/226/CH17/EX17.6/example6_sce.sce b/226/CH17/EX17.6/example6_sce.sce
new file mode 100755
index 000000000..e4da15b4f
--- /dev/null
+++ b/226/CH17/EX17.6/example6_sce.sce
@@ -0,0 +1,18 @@
+//chapter 17

+//example 17.6

+//page 729

+printf("\n")

+printf("given")

+f=30*10^3;C1=1000*10^-12;

+disp(" third order low pass filter")

+disp("-20 dB per decade stage")

+fc1=f/.65;

+R1=1/(2*3.14*fc1*C1)

+R2=R1;

+disp("-40dB per decade stage")

+C3=1000*10^-12;

+C2=2*C3

+fc2=f/.8

+R4=1/(2*3.14*fc2*C3*(sqrt(2)))

+R3=R4;

+R5=R3+R4
\ No newline at end of file
diff --git a/226/CH17/EX17.7/example7_sce.sce b/226/CH17/EX17.7/example7_sce.sce
new file mode 100755
index 000000000..f9809e2ef
--- /dev/null
+++ b/226/CH17/EX17.7/example7_sce.sce
@@ -0,0 +1,21 @@
+//chapter 17

+//example 17.7

+//page 730

+printf("\n")

+printf("given")

+f=20*10^3;

+disp("3rd order high pass filter")

+disp("-20dB per decade stage")

+R1=121*10^3;

+fc1=.65*f

+C1=1/(2*3.14*fc1*R1)

+//this is so small it might be effected by stray capacitor.redesign ,first choosing a suitable capacitance C1

+C1=100*10^-12;

+R1=1/(2*3.14*f*C1)

+R2=R1;

+disp("-40dB per decade stage")

+C3=1000*10^-12;

+R4=(sqrt(2))/(2*3.14*.8*f*C3)

+C2=C3;

+R3=.5*R4

+R5=R4
\ No newline at end of file
diff --git a/226/CH17/EX17.8/example8_sce.sce b/226/CH17/EX17.8/example8_sce.sce
new file mode 100755
index 000000000..6aa5fd606
--- /dev/null
+++ b/226/CH17/EX17.8/example8_sce.sce
@@ -0,0 +1,13 @@
+//chapter 17

+//example 17.8

+//page 734

+printf("\n")

+printf("given")

+f1=300;f2=30*10^3;

+disp(" single stage band pass filter")

+C2=1000*10^-12;

+R2=1/(2*3.14*f2*C2)

+R1=R2;

+Xc1=R1;//at voltage gain Av=1

+C1=1/(2*3.14*f1*R1)

+R3=R2
\ No newline at end of file
diff --git a/226/CH17/EX17.9/example9_sce.sce b/226/CH17/EX17.9/example9_sce.sce
new file mode 100755
index 000000000..7373ef304
--- /dev/null
+++ b/226/CH17/EX17.9/example9_sce.sce
@@ -0,0 +1,9 @@
+//chapter 17

+//example 17.9

+//page 736

+printf("\n")

+printf("given")

+f1=300;f2=30*10^3;

+fo=sqrt(f1*f2)

+BW=f2-f1

+Q=fo/BW
\ No newline at end of file