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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /848/CH6/EX6.5 | |
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| -rwxr-xr-x | 848/CH6/EX6.5/Example6_5.sce | 22 |
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diff --git a/848/CH6/EX6.5/Example6_5.sce b/848/CH6/EX6.5/Example6_5.sce new file mode 100755 index 000000000..09e0d5d2b --- /dev/null +++ b/848/CH6/EX6.5/Example6_5.sce @@ -0,0 +1,22 @@ +//clear//
+//Caption:To find primary photocurrent and multiplication factor
+//Example6.5
+//page230
+clear;
+clc;
+close;
+etta = 0.65; //quantum efficiency of silicon qavalanche photodiode
+C = 3*(10^8); //free space velocity in m/s
+Lambda = 900e-09;//wavelength in meters
+q = 1.6*(10^-19);//charge in coulombs
+h = 6.625*(10^-34);//planks constant
+v = C/Lambda; //frequnecy in Hz
+Pin = 0.5*10^-06;//optical power
+Ip = ((etta*q)/(h*v))*Pin;
+Im = 10*(10^-06); //multiplied photocurrent
+M = Im/Ip; //multiplication factor
+disp(Ip*10^6,'Primary photocurrent in uAmps Ip=')
+disp(ceil(M),'Primary photocurrent is multiplied by a factor of M =')
+//Result
+//Primary photocurrent in uAmps Ip = 0.2354717
+//Primary photocurrent is multiplied by a factor of M = 43.
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