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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2183/CH8/EX8.1 | |
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initial commit / add all books
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| -rwxr-xr-x | 2183/CH8/EX8.1/Ex_8_1.sce | 36 |
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diff --git a/2183/CH8/EX8.1/Ex_8_1.sce b/2183/CH8/EX8.1/Ex_8_1.sce new file mode 100755 index 000000000..69481a0e5 --- /dev/null +++ b/2183/CH8/EX8.1/Ex_8_1.sce @@ -0,0 +1,36 @@ +
+// Example 8.1 //compare shot noise and thermal current
+clc;
+clear;
+close;
+T=293;//Temperature in Kelvin
+K=1.38*10^-23;//boltzman constt
+C=3*10^8;//Speed of light in meter per second
+e=1.6*10^-19;//elecronic charge
+ht=6.62*10^-34;//plank constt.
+Id=3;//dark current in nano ampere
+n=0.60;//efficiency
+Rl=4;//load resistance in kilo-ohms
+h=0.9;//wavelength in micro meter
+Po=200;// ouput power in nano Watt
+B=5;// bandwidth in mega hertz
+Ip= ((n*h*10^-6*Po*10^-9*e)/(ht*C))*10^9;//Photo current in Ampere
+its=(2*e*B*10^6*(Id+Ip)*10^-9);//total shot noise
+itsr=sqrt(its);//RMS shot noise
+disp(itsr,"RMS shot noise current in Ampere is")
+T=293;//Temperature in Kelvin
+K=1.38*10^-23;//boltzman constt
+C=3*10^8;//Speed of light in meter per second
+e=1.6*10^-19;//elecronic charge
+ht=6.62*10^-34;//plank constt.
+Id=3;//dark current in nano ampere
+n=0.60;//efficiency
+Rl=4;//load resistance in killo ohms
+h=0.9;//wavelength in micro meter
+Po=200;// ouput power in nano wat
+B=5;// bandwidth in mega hertz
+it=(((4*K*T*B*10^6)/(Rl*10^3)));//thermal noise
+itr=sqrt(it);//rms thermal noise
+disp(itr,"RMS thermal noise current in Ampere is")
+
+
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