12 files changed, 124 insertions, 0 deletions
diff --git a/992/CH6/EX6.1/ex6_1.sce b/992/CH6/EX6.1/ex6_1.sce
new file mode 100755
index 000000000..ef72aad2b
--- /dev/null
+++ b/992/CH6/EX6.1/ex6_1.sce
@@ -0,0 +1,18 @@
+
+//Exa:6.1
+clc;
+clear;
+close;
+//Given:
+f1=1000;//in KHz
+f2=25;//in MHz
+IF=455//in KHz 
+Q=100;
+fs1=f1+2*IF;
+p1=fs1/f1 - f1/fs1;
+a1=sqrt(1+ Q^2*p1^2);
+printf("\n\n\t (a)image frequency is %f KHz \n rejection ratio is %f dB",fs1,20*log10(a1));
+fs2=f2+2*IF/1000;
+p2=fs2/f2 - f2/fs2;
+a2=sqrt(1+ Q^2*p2^2);
+printf("\n\n\t (b)image frequency is %f KHz \n rejection ratio is %f dB",fs2,20*log(a2));
+\ No newline at end of file
diff --git a/992/CH6/EX6.1/ex6_1.txt b/992/CH6/EX6.1/ex6_1.txt
new file mode 100755
index 000000000..ccf538045
--- /dev/null
+++ b/992/CH6/EX6.1/ex6_1.txt
@@ -0,0 +1,18 @@
+//Caption:Program to calculate image frequency,rejection ratio
+//Exa:6.1
+clc;
+clear;
+close;
+//Given:
+f1=1000;//in KHz
+f2=25;//in MHz
+IF=455//in KHz 
+Q=100;
+fs1=f1+2*IF;
+p1=fs1/f1 - f1/fs1;
+a1=sqrt(1+ Q^2*p1^2);
+printf("\n\n\t (a)image frequency is %f KHz \n rejection ratio is %f dB",fs1,20*log10(a1));
+fs2=f2+2*IF/1000;
+p2=fs2/f2 - f2/fs2;
+a2=sqrt(1+ Q^2*p2^2);
+printf("\n\n\t (b)image frequency is %f KHz \n rejection ratio is %f dB",fs2,20*log(a2));
+\ No newline at end of file
diff --git a/992/CH6/EX6.1/ex6_1ans.txt b/992/CH6/EX6.1/ex6_1ans.txt
new file mode 100755
index 000000000..614d5de2f
--- /dev/null
+++ b/992/CH6/EX6.1/ex6_1ans.txt
@@ -0,0 +1,11 @@
+  IF  =
+ 
+    455.  
+
+
+	 (a)image frequency is 1910.000000 KHz 
+ rejection ratio is 42.838246 dB
+
+	 (b)image frequency is 25.910000 KHz 
+ rejection ratio is 39.541885 dB 
+ Execution done.  
+\ No newline at end of file
diff --git a/992/CH6/EX6.2/ex6_2.sce b/992/CH6/EX6.2/ex6_2.sce
new file mode 100755
index 000000000..dd5147ccd
--- /dev/null
+++ b/992/CH6/EX6.2/ex6_2.sce
@@ -0,0 +1,14 @@
+
+//Exa:6.2
+clc;
+clear;
+close;
+//Given:
+R1=110;//in Kohm
+R2=220;//in kohm
+R3=470;//in kohm
+R4=1;//in Mohm
+Rc=R1+R2;
+Zin=(R4*1000*R2*R3)/(R2*R3+R3*R4*1000+R4*R2*1000) +R1;
+Mmax=Zin/Rc;
+printf("\n\n\t maximum modulation index = %f percent",Mmax*100);
+\ No newline at end of file
diff --git a/992/CH6/EX6.2/ex6_2.txt b/992/CH6/EX6.2/ex6_2.txt
new file mode 100755
index 000000000..251dbe342
--- /dev/null
+++ b/992/CH6/EX6.2/ex6_2.txt
@@ -0,0 +1,14 @@
+//Caption:Program to calculate maximum modulation index.
+//Exa:6.2
+clc;
+clear;
+close;
+//Given:
+R1=110;//in Kohm
+R2=220;//in kohm
+R3=470;//in kohm
+R4=1;//in Mohm
+Rc=R1+R2;
+Zin=(R4*1000*R2*R3)/(R2*R3+R3*R4*1000+R4*R2*1000) +R1;
+Mmax=Zin/Rc;
+printf("\n\n\t maximum modulation index = %f percent",Mmax*100);
+\ No newline at end of file
diff --git a/992/CH6/EX6.2/ex6_2ans.txt b/992/CH6/EX6.2/ex6_2ans.txt
new file mode 100755
index 000000000..9fee50cc5
--- /dev/null
+++ b/992/CH6/EX6.2/ex6_2ans.txt
@@ -0,0 +1,2 @@
+	 maximum modulation index = 72.825813 percent 
+ Execution done. 
+\ No newline at end of file
diff --git a/992/CH6/EX6.3/ex6_3.sce b/992/CH6/EX6.3/ex6_3.sce
new file mode 100755
index 000000000..c0900c5f4
--- /dev/null
+++ b/992/CH6/EX6.3/ex6_3.sce
@@ -0,0 +1,10 @@
+
+//Exa:6.3
+clc;
+clear;
+close;
+//Given:
+BWt=100;//in kHz
+Fh=5;//in KHz
+n=BWt/(2*Fh);
+printf("\n\t number of stations = %f",n);
+\ No newline at end of file
diff --git a/992/CH6/EX6.3/ex6_3.txt b/992/CH6/EX6.3/ex6_3.txt
new file mode 100755
index 000000000..db328ccd0
--- /dev/null
+++ b/992/CH6/EX6.3/ex6_3.txt
@@ -0,0 +1,10 @@
+//Caption:Program to calculate number of stations.
+//Exa:6.3
+clc;
+clear;
+close;
+//Given:
+BWt=100;//in kHz
+Fh=5;//in KHz
+n=BWt/(2*Fh);
+printf("\n\t number of stations = %f",n);
+\ No newline at end of file
diff --git a/992/CH6/EX6.3/ex6_3ans.txt b/992/CH6/EX6.3/ex6_3ans.txt
new file mode 100755
index 000000000..79ccfd740
--- /dev/null
+++ b/992/CH6/EX6.3/ex6_3ans.txt
@@ -0,0 +1,3 @@
+ 
+	 number of stations = 10.000000 
+ Execution done.   
diff --git a/992/CH6/EX6.4/ex6_4.sce b/992/CH6/EX6.4/ex6_4.sce
new file mode 100755
index 000000000..881738d63
--- /dev/null
+++ b/992/CH6/EX6.4/ex6_4.sce
@@ -0,0 +1,11 @@
+
+//Exa:6.4
+clc;
+clear;
+close;
+//Given:
+Fmax=3;//in kHz
+Bw=20;//in MHz
+Bs=2*Fmax*1000;
+n=(20*1000000)/Bs;
+printf("\n\t number of stations = %f",n);
+\ No newline at end of file
diff --git a/992/CH6/EX6.4/ex6_4.txt b/992/CH6/EX6.4/ex6_4.txt
new file mode 100755
index 000000000..711a838cb
--- /dev/null
+++ b/992/CH6/EX6.4/ex6_4.txt
@@ -0,0 +1,11 @@
+//Caption:Program to calculate number of stations.
+//Exa:6.4
+clc;
+clear;
+close;
+//Given:
+Fmax=3;//in kHz
+Bw=20;//in MHz
+Bs=2*Fmax*1000;
+n=(20*1000000)/Bs;
+printf("\n\t number of stations = %f",n);
+\ No newline at end of file
diff --git a/992/CH6/EX6.4/ex6_4ans.txt b/992/CH6/EX6.4/ex6_4ans.txt
new file mode 100755
index 000000000..52796cdd3
--- /dev/null
+++ b/992/CH6/EX6.4/ex6_4ans.txt
@@ -0,0 +1,2 @@
+ number of stations = 3333.333333 
+ Execution done.