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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3710/CH7/EX7.4/Ex7_4.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3710/CH7/EX7.4/Ex7_4.sce')
| -rw-r--r-- | 3710/CH7/EX7.4/Ex7_4.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3710/CH7/EX7.4/Ex7_4.sce b/3710/CH7/EX7.4/Ex7_4.sce new file mode 100644 index 000000000..7b1f75e0d --- /dev/null +++ b/3710/CH7/EX7.4/Ex7_4.sce @@ -0,0 +1,23 @@ +//Example 7.4, Page Number 311
+//Noise in photomultipliers
+clc;
+
+T=300 //Temperature in Kelvin
+lr=10**3 //Load resistor in ohms
+bw=10**3 //Bandwidth in hertz
+k=1.38*(10**-23) //Boltzman Constant in meter square kilogram per second square Kelvin
+i=10**-14 //Photomultiplier current in Amperes
+e=1.6*(10**-19) //Charge of an electron in Coulombs
+g=10**7 //Photomultiplier Gain
+
+//From equation 7.14
+V=sqrt(4*k*T*bw) //V is the shot noise voltge
+
+//From equation 7.12
+is=sqrt(2*i*e*bw) //is is the shot noise current in Amperes
+
+V1=is*g*lr //V1 is the voltage observed across load resistance
+
+mprintf("The RMS Value of the Voltage is:%.1e V\n",V)
+mprintf(" The Shot Noise Current is:%.1e A\n",is)
+mprintf(" The Shot Noise Voltage across load resistor is:%.1e V",V1)
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