diff options
Diffstat (limited to '3542/CH2')
| -rw-r--r-- | 3542/CH2/EX2.1/B_1.jpg | bin | 0 -> 53970 bytes | |||
| -rw-r--r-- | 3542/CH2/EX2.1/ExB_1.sce | 16 | ||||
| -rw-r--r-- | 3542/CH2/EX2.2/B_2.jpg | bin | 0 -> 53057 bytes | |||
| -rw-r--r-- | 3542/CH2/EX2.2/ExB_2.sce | 18 | ||||
| -rw-r--r-- | 3542/CH2/EX2.3/B_3.jpg | bin | 0 -> 50031 bytes | |||
| -rw-r--r-- | 3542/CH2/EX2.3/ExB_3.sce | 24 | ||||
| -rw-r--r-- | 3542/CH2/EX2.4/B_4.jpg | bin | 0 -> 58788 bytes | |||
| -rw-r--r-- | 3542/CH2/EX2.4/ExB_4.sce | 18 |
8 files changed, 76 insertions, 0 deletions
diff --git a/3542/CH2/EX2.1/B_1.jpg b/3542/CH2/EX2.1/B_1.jpg Binary files differnew file mode 100644 index 000000000..77b16a990 --- /dev/null +++ b/3542/CH2/EX2.1/B_1.jpg 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 Binary files differnew file mode 100644 index 000000000..3253a8112 --- /dev/null +++ b/3542/CH2/EX2.2/B_2.jpg 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 Binary files differnew file mode 100644 index 000000000..a5365525c --- /dev/null +++ b/3542/CH2/EX2.3/B_3.jpg 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 Binary files differnew file mode 100644 index 000000000..c760765d5 --- /dev/null +++ b/3542/CH2/EX2.4/B_4.jpg 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);
+
+
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