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Diffstat (limited to '1895/CH6/EX6.20/EXAMPLE6_20.SCE')
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1 files changed, 23 insertions, 0 deletions
diff --git a/1895/CH6/EX6.20/EXAMPLE6_20.SCE b/1895/CH6/EX6.20/EXAMPLE6_20.SCE new file mode 100755 index 000000000..48f4db1f7 --- /dev/null +++ b/1895/CH6/EX6.20/EXAMPLE6_20.SCE @@ -0,0 +1,23 @@ +//ANALOG AND DIGITAL COMMUNICATION
+//BY Dr.SANJAY SHARMA
+//CHAPTER 6
+//NOISE
+clear all;
+clc;
+printf("EXAMPLE 6.20(PAGENO 311)");
+
+//given
+F_2 = 20//noise figure of receiver in dB
+G_1 = 40//gain of low noise amplifier in dB
+T_e1 = 80//noise temperature of low noise amplifier in degree kelvin
+T_0 = 300//room temperature
+
+//calculations
+F_2ratio = exp((F_2/10)*log(10));//noise figure of receiver in ratio
+G_1ratio = exp((G_1/10)*log(10));//gain of low noise amplifier
+T_e2 = (F_2ratio-1)*T_0//noise temperature of the receiver in degree kelvin
+T_e = T_e1 +(T_e2/G_1ratio)//overall noise temperature in degree kelvin
+
+//results
+printf("\n\ni.Noise Temperature of the receiver = %.2f degkelvin ",T_e2);
+printf("\n\nii.Overall noise temperature = %.2f degkelvin",T_e);
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