From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3834/CH11/EX11.3.3/Ex11_3_3.jpg | Bin 0 -> 210821 bytes 3834/CH11/EX11.3.3/Ex11_3_3.sce | 25 +++++++++++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 3834/CH11/EX11.3.3/Ex11_3_3.jpg create mode 100644 3834/CH11/EX11.3.3/Ex11_3_3.sce (limited to '3834/CH11/EX11.3.3') diff --git a/3834/CH11/EX11.3.3/Ex11_3_3.jpg b/3834/CH11/EX11.3.3/Ex11_3_3.jpg new file mode 100644 index 000000000..537d2ae3b Binary files /dev/null and b/3834/CH11/EX11.3.3/Ex11_3_3.jpg differ diff --git a/3834/CH11/EX11.3.3/Ex11_3_3.sce b/3834/CH11/EX11.3.3/Ex11_3_3.sce new file mode 100644 index 000000000..660ab5f03 --- /dev/null +++ b/3834/CH11/EX11.3.3/Ex11_3_3.sce @@ -0,0 +1,25 @@ +//Fiber-optics communication technology, by Djafer K. Mynbaev and Lowell L. Scheiner +//Example 11.3.3 +//windows 7 +//Scilab version-6.0.0 +clc; +clear ; +//given + +M=20;//Multiplication factor of a photodiode +Pin=0.1E-6;//Average input power in W +T=300;//Room temperature in K +BWpd=2.5E+9;//Bandwidth of a photodiode in Hz +Rl=50E+3; +R=0.9;//Responsivity of a photodiode +e=1.6E-19;//Electrons value in Coulomb + +//case 1 +FsSi=2.49;//excess noise factor of Si avalanche photodiode +SNRs=(R*Pin)/(2*e*FsSi*BWpd);//SNR of Si avalanche photodiode +mprintf("SNR of Si avalanche photodiode = %.2f",SNRs);//the answer vary due to rounding + +//case 2 +FsInGaAs=12.78;//excess noise factor of InGaAs avalanche photodiode +SNRt=(R*Pin)/(2*e*FsInGaAs*BWpd);//SNR of InGaAs avalanche photodiode +mprintf("\nSNR of InGaAs avalanche photodiode = %.2f",SNRt);//the answer vary due to rounding -- cgit