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 --- 3542/CH2/EX2.1/B_1.jpg | Bin 0 -> 53970 bytes 3542/CH2/EX2.1/ExB_1.sce | 16 ++++++++++++++++ 3542/CH2/EX2.2/B_2.jpg | Bin 0 -> 53057 bytes 3542/CH2/EX2.2/ExB_2.sce | 18 ++++++++++++++++++ 3542/CH2/EX2.3/B_3.jpg | Bin 0 -> 50031 bytes 3542/CH2/EX2.3/ExB_3.sce | 24 ++++++++++++++++++++++++ 3542/CH2/EX2.4/B_4.jpg | Bin 0 -> 58788 bytes 3542/CH2/EX2.4/ExB_4.sce | 18 ++++++++++++++++++ 8 files changed, 76 insertions(+) create mode 100644 3542/CH2/EX2.1/B_1.jpg create mode 100644 3542/CH2/EX2.1/ExB_1.sce create mode 100644 3542/CH2/EX2.2/B_2.jpg create mode 100644 3542/CH2/EX2.2/ExB_2.sce create mode 100644 3542/CH2/EX2.3/B_3.jpg create mode 100644 3542/CH2/EX2.3/ExB_3.sce create mode 100644 3542/CH2/EX2.4/B_4.jpg create mode 100644 3542/CH2/EX2.4/ExB_4.sce (limited to '3542/CH2') diff --git a/3542/CH2/EX2.1/B_1.jpg b/3542/CH2/EX2.1/B_1.jpg new file mode 100644 index 000000000..77b16a990 Binary files /dev/null and b/3542/CH2/EX2.1/B_1.jpg differ diff --git a/3542/CH2/EX2.1/ExB_1.sce b/3542/CH2/EX2.1/ExB_1.sce new file mode 100644 index 000000000..40ca0f227 --- /dev/null +++ b/3542/CH2/EX2.1/ExB_1.sce @@ -0,0 +1,16 @@ +// Example no B.1 +// To determine SNR at the detector output stage +// Page no. 613 + +clc; +clear all; + +// Given data +SNRin=20; // SNR at the receiver antenna input terminal in dB +F=6; // Noise figure in dB + +// SNR at the detector output stage +SNRout=SNRin-F; // SNR at the detector output stage in dB + +// Displaying the result in command window +printf('\n SNR at the detector output stage = %0.0f dB',SNRout); diff --git a/3542/CH2/EX2.2/B_2.jpg b/3542/CH2/EX2.2/B_2.jpg new file mode 100644 index 000000000..3253a8112 Binary files /dev/null and b/3542/CH2/EX2.2/B_2.jpg differ diff --git a/3542/CH2/EX2.2/ExB_2.sce b/3542/CH2/EX2.2/ExB_2.sce new file mode 100644 index 000000000..50deba3ce --- /dev/null +++ b/3542/CH2/EX2.2/ExB_2.sce @@ -0,0 +1,18 @@ +//Example no B.2 +//To compute noise figure of mobile receiver system +//Page no. 613 + +clc; +clear all; + +//Given data +F1=3; //Coaxial cable loss in dB +F1=10^(F1/10); //Coaxial cable loss +F2=6; //Noise figure of phone in dB +F2=10^(F2/10); //Noise figure of phone + +Fsys=F1+((F2-1)/0.5); //Noise figure of mobile receiver system +Fsys=10*log10(Fsys); //Noise figure of mobile receiver system in dB + +// Displaying the result in command window +printf('\n Noise figure of mobile receiver system = %0.0f dB',Fsys); diff --git a/3542/CH2/EX2.3/B_3.jpg b/3542/CH2/EX2.3/B_3.jpg new file mode 100644 index 000000000..a5365525c Binary files /dev/null and b/3542/CH2/EX2.3/B_3.jpg differ diff --git a/3542/CH2/EX2.3/ExB_3.sce b/3542/CH2/EX2.3/ExB_3.sce new file mode 100644 index 000000000..a86c003da --- /dev/null +++ b/3542/CH2/EX2.3/ExB_3.sce @@ -0,0 +1,24 @@ +// Example no B.3 +// To determine average output thermal noise power +// Page no. 614 + +clc; +clear all; + +// Given data +T0=300; // Ambient room temperature in K +Fsys=8; // Noise figure of the system +Tant=290; // Effective temperature of antenna in K +K=1.38*10^-23; // Boltzmann's constant in J/K +B=30000; // Effective bandwidth in Hz + +Te=(Fsys-1)*T0; // Effective noise temperature in K +Ttotal=Tant+Te; // Overall system noise temperature in K + +// To determine average output thermal noise power +Pn=(1+(Ttotal/T0))*K*T0*B; // Average output thermal noise power in W +Pn=10*log10(Pn/(10^-3)); // Average output thermal noise power in dBm + +// Displaying the result in command window +printf('\n Average output thermal noise power = %0.1f dBm',Pn); + diff --git a/3542/CH2/EX2.4/B_4.jpg b/3542/CH2/EX2.4/B_4.jpg new file mode 100644 index 000000000..c760765d5 Binary files /dev/null and b/3542/CH2/EX2.4/B_4.jpg differ diff --git a/3542/CH2/EX2.4/ExB_4.sce b/3542/CH2/EX2.4/ExB_4.sce new file mode 100644 index 000000000..893cb6e89 --- /dev/null +++ b/3542/CH2/EX2.4/ExB_4.sce @@ -0,0 +1,18 @@ +// Example no B.4 +// To determine average signal strength at the antenna terminal +// Page no. 614 + +clc; +clear all; + +// Given data +Pn=-119.5; // Average output thermal noise power in dBm +SNR=30; // SNR at the receiver output in dB + +// To determine average signal strength at the antenna terminal to provide 30dB SNR +Ps=SNR+Pn; // Average signal strength at the antenna terminal + +// Displaying the result in command window +printf('\n Average signal strength at the antenna terminal to provide 30dB SNR = %0.1f dBm',Ps); + + -- cgit