initial commit / add all books

10 files changed, 158 insertions, 0 deletions

diff --git a/1061/CH10/EX10.1/Ex10_1.sce b/1061/CH10/EX10.1/Ex10_1.sce
new file mode 100755
index 000000000..009b132d5
--- /dev/null
+++ b/1061/CH10/EX10.1/Ex10_1.sce
@@ -0,0 +1,11 @@
+//Ex:10.1

+clc;

+clear;

+close;

+r=30.8*10^-12;// electro optice coefficient in m/V

+L=3*10^-2;// length in m

+y=1.3*10^-6;// wavelength in m

+n=2.1;

+d=30*10^-6;// distance between the electrodes in m

+V=(y*d)/((n)^3*r*L);// voltage required to have a pi radian phase change in volt

+printf("The voltage required to have a pi radian phase change  =%f volt", V);
\ No newline at end of file
diff --git a/1061/CH10/EX10.10/Ex10_10.sce b/1061/CH10/EX10.10/Ex10_10.sce
new file mode 100755
index 000000000..43618f25d
--- /dev/null
+++ b/1061/CH10/EX10.10/Ex10_10.sce
@@ -0,0 +1,20 @@
+//Ex:10.10

+clc;

+clear;

+close;

+y=860*10^-9;// wavelength in m

+c=3*10^8;// speed of light in m/s

+n1=1.47;// 

+dl=0.02;// 

+n12=n1*dl;// the difference b/w n1 and n2

+La=1/1000;// loss a in dB/m

+Pr=-65;// receiver power in dB

+Pt=-5;// transmitted power in dB

+dy=30*10^-9;// line width in m

+X=0.024;

+Lmax=(0.35*c*y)/(dy*X);// material dispersion limited distance for RZ coding in m

+L_GI=(1.4*c*n1)/(n12);// model dispersion limited distance for RZ coding in m

+L_At=(Pt-Pr)/(La);// attenuation limited distance for RZ coding in m 

+printf("The material dispersion limited distance =%f*10^10*1/Br m", Lmax/10^10);

+printf("\n The model dispersion limited distance =%f*10^10*1/Br m", L_GI/10^10);

+printf("\n The attenuation limited distance =%d-20log(Br) km", L_At/10^3);
\ No newline at end of file
diff --git a/1061/CH10/EX10.2/Ex10_2.sce b/1061/CH10/EX10.2/Ex10_2.sce
new file mode 100755
index 000000000..8e503b866
--- /dev/null
+++ b/1061/CH10/EX10.2/Ex10_2.sce
@@ -0,0 +1,11 @@
+//Ex:10.2

+clc;

+clear;

+close;

+a_fc=4;// fider cable loss in dB/km

+aj=0.7;// splice loss in db/km

+L=5;// length in km

+a_cr1=4;// connector losses

+a_cr2=3.5;// connector losses

+CL=(a_fc+aj)*L+(a_cr1+a_cr2);// total channel loss in dB

+printf("The total channel loss =%d dB", CL);
\ No newline at end of file
diff --git a/1061/CH10/EX10.3/Ex10_3.sce b/1061/CH10/EX10.3/Ex10_3.sce
new file mode 100755
index 000000000..6b53c4580
--- /dev/null
+++ b/1061/CH10/EX10.3/Ex10_3.sce
@@ -0,0 +1,20 @@
+//Ex:10.3

+clc;

+clear;

+close;

+p=0.5*10^-9;// pulse broadening in s/km

+L=12;// length in km

+Pt=p*sqrt(L);// with mode coupling, the total rms broadening in s

+BT=20*10^6;//

+DL=2*(2*Pt*BT*sqrt(2))^4;// dispersion equalization penalty in dB

+Pt1=p*L;// without mode coupling, the total rms broadening in s

+DL1=2*(2*Pt1*BT*sqrt(2))^4;// without mode coupling, equalization penalty in dB

+DL2=2*(2*Pt1*150*10^6*sqrt(2))^4;// without mode coupling,dispersion equalization penalty with 125 Mb/s

+DL3=2*(2*Pt*125*10^6*sqrt(2))^4;// with mode coupling,dispersion equalization penalty with 125 Mb/s

+printf("with mode coupling, the total rms broadening =%f ns", Pt*10^9);

+printf("\n The dispersion equalization penalty =%f dB", DL*10^4);

+printf("\n without mode coupling, the total rms broadening =%f dB", Pt1*10^9);

+printf("\n without mode coupling, equalization penalty =%f dB", DL1);

+printf("\n without mode coupling,dispersion equalization penalty with 125 Mb/s =%f dB", DL2);

+printf("\n with mode coupling,dispersion equalization penalty with 125 Mb/s =%f dB", DL3);

+printf("\n The answer is wrong in the textbook");
\ No newline at end of file
diff --git a/1061/CH10/EX10.4/Ex10_4.sce b/1061/CH10/EX10.4/Ex10_4.sce
new file mode 100755
index 000000000..509817a1e
--- /dev/null
+++ b/1061/CH10/EX10.4/Ex10_4.sce
@@ -0,0 +1,15 @@
+//Ex:10.4

+clc;

+clear;

+close;

+Pi=-2.5;// mean optical power launched into the fiber in dBm

+Po=-45;// mean output optical power available at the receiver in dBm

+a_fc=0.35;// fider cable loss in dB/km

+aj=0.1;// splice loss in db/km

+a_cr=1;// connector losses

+Ma=6;// safety margin in dB

+L=(Pi-Po-a_cr-Ma)/(a_fc+aj);// length in km when system operating at 25 Mbps

+Po1=-35;// mean output optical power available at the receiver in dBm

+L1=(Pi-Po1-a_cr-Ma)/(a_fc+aj);// length in km when system operating at 350 Mbps

+printf("The length when system operating at 25 Mbps =%f km", L);

+printf("\n The length when system operating at 350 Mbps =%f km", L1);
\ No newline at end of file
diff --git a/1061/CH10/EX10.5/Ex10_5.sce b/1061/CH10/EX10.5/Ex10_5.sce
new file mode 100755
index 000000000..de89e5a12
--- /dev/null
+++ b/1061/CH10/EX10.5/Ex10_5.sce
@@ -0,0 +1,20 @@
+//Ex:10.5

+clc;

+clear;

+close;

+Tx=-80;// transmitter output in dBm

+Rx=-40;// receiver sensitivity in dBm

+sm=32;// system margin in dB

+L=10;// in km

+fl=2*L;// fider loss in dB

+cl=1;// detector coupling loss in dB

+tl=0.4*8;// total splicing loss in dB

+ae=5;// angle effects & future splice in dB

+ta=29.2;// total attenuation in dB

+Ep=2.8;// excess power margin in dB

+printf("The fider loss =%f dB", fl);

+printf("\n The total splicing loss =%f dB", tl);

+printf("\n The fangle effects & future splice =%f dB", ae);

+printf("\n The total attenuation =%f dB", ta);

+printf("\n The excess power margin =%f dB", Ep);

+printf("\n hence the system can operate with small excess power margin")
\ No newline at end of file
diff --git a/1061/CH10/EX10.6/Ex10_6.sce b/1061/CH10/EX10.6/Ex10_6.sce
new file mode 100755
index 000000000..89a80a175
--- /dev/null
+++ b/1061/CH10/EX10.6/Ex10_6.sce
@@ -0,0 +1,16 @@
+//Ex:10.6

+clc;

+clear;

+close;

+Lc=1;// connector loss in db

+Ls=5;// star coupler insertion loss in dB

+af=2;// fider loss in dB

+Ps=-14;// transmitted power in dBm

+Pr=-49;// receiver sensitivity in dBm

+sm=6;// system margin in dB

+N=16;

+L=(Ps-Pr-Ls-4*Lc-(10*log(N))/log(10)-sm)/(2*af);//  max transmission length in km when transmission star coupler is used

+N1=32;

+L1=(Ps-Pr-Ls-4*Lc-(10*log(N1))/log(10)-sm)/(2*af);// max transmission length in km when reflection star coupler is used

+printf("The max transmission length when transmission star coupler is used =%f km", L);

+printf("\n The max transmission length when reflection star coupler is used =%f km", L1);
\ No newline at end of file
diff --git a/1061/CH10/EX10.7/Ex10_7.sce b/1061/CH10/EX10.7/Ex10_7.sce
new file mode 100755
index 000000000..657e6f338
--- /dev/null
+++ b/1061/CH10/EX10.7/Ex10_7.sce
@@ -0,0 +1,20 @@
+//Ex:10.7

+clc;

+clear;

+close;

+y=860*10^-9;// wavelength in m

+L=5000;// length in m

+X=0.024;

+dy=20*10^-9;// spectral width in m

+dts=6*10^-9;// silica optical link rise time in s

+dtr=8*10^-9;// detector rise in s

+c=3*10^8;// speed of light in m/s

+dtm=-(L*dy*X)/(c*y);// material dispersion delay time in s

+id=2.5*10^-12;// intermodel dispersion in s/m

+dti=id*L;// intermodel dispersion delay time

+dtsy=sqrt((dts^2)+(dtr^2)+(dtm^2)+(dti^2));// system rise time in s

+Br_max=0.7/dtsy;// max bit rate for NRZ coding in bit/s

+Br_max1=0.35/dtsy;// max bit rate for RZ coding in bit/s

+printf("The system rise time =%f ns", dtsy*10^9);

+printf("\n The max bit rate for NRZ coding =%f Mbit/s", Br_max/10^6);

+printf("\n The max bit rate for RZ coding =%f Mbit/s", Br_max1/10^6);
\ No newline at end of file
diff --git a/1061/CH10/EX10.8/Ex10_8.sce b/1061/CH10/EX10.8/Ex10_8.sce
new file mode 100755
index 000000000..d6444caac
--- /dev/null
+++ b/1061/CH10/EX10.8/Ex10_8.sce
@@ -0,0 +1,13 @@
+//Ex:10.8

+clc;

+clear;

+close;

+Br=50*10^6;// data rate in b/s

+c=3*10^8;// speed of light in m/s

+n1=1.47;// 

+dl=0.02;// 

+n12=n1*dl;// the difference b/w n1 and n2

+L_si=(0.35*c)/(n12*Br);// transmission distance for Si fiber

+L_GI=(2.8*c*n1^2)/(2*n1*n12*Br);// transmission distance for GRIN fiber

+printf("The transmission distance for Si fiber =%f m", L_si);

+printf("\n The transmission distance for GRIN fiber =%f m", L_GI);
\ No newline at end of file
diff --git a/1061/CH10/EX10.9/Ex10_9.sce b/1061/CH10/EX10.9/Ex10_9.sce
new file mode 100755
index 000000000..6ce9e2353
--- /dev/null
+++ b/1061/CH10/EX10.9/Ex10_9.sce
@@ -0,0 +1,12 @@
+//Ex:10.9

+clc;

+clear;

+close;

+Br=20*10^6;// data rate in b/s

+c=3*10^8;// speed of light in m/s

+y=86*10^-9;// wavelength in m

+dy=30*10^-9;// spectral width in m

+X=0.024;

+Tb=1/Br;

+Lmax=(0.35*Tb*c*y)/(dy*X);// material dispersion limited transmission distance for RZ coding in m

+printf("The material dispersion limited transmission distance =%d m", Lmax);
\ No newline at end of file