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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 /2534/CH8/EX8.3/Ex8_3.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2534/CH8/EX8.3/Ex8_3.sce')
| -rwxr-xr-x | 2534/CH8/EX8.3/Ex8_3.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/2534/CH8/EX8.3/Ex8_3.sce b/2534/CH8/EX8.3/Ex8_3.sce new file mode 100755 index 000000000..a9c999760 --- /dev/null +++ b/2534/CH8/EX8.3/Ex8_3.sce @@ -0,0 +1,32 @@ +//Ex8_3
+clc
+RL = 8*10^3
+Rs= 500
+hie=1.0*10^3
+hre=2.5*10^-4
+hfe=50
+hoe=25*10^-6
+disp("RL = "+string(RL)+"ohm")//load resistance
+disp("Rs = "+string(Rs)+"ohm")//source resistance
+//h-parameters for CE transistor amplifier are as follows:
+disp("hie = "+string(hie)+"ohm")//input resistance of CE transistor
+disp("hre = "+string(hre))//voltage gain of CE transistor
+disp("hfe = "+string(hfe))//current gain of CE transistor
+disp("hoe = "+string(hoe)+"mho")//output conductance of CE transistor
+
+Ai=-hfe/(1+(hoe*RL))
+disp("Ai = -hfe/(1+(hoe*RL)) = "+string(Ai))//calculation for current gain
+
+Ri = hie+(hre*Ai*RL)
+disp("Ri = hie+(hre*Ai*RL) = "+string(Ri)+"ohm")//calculation for input resistance
+
+Ais=(Ai*Rs)/(Ri+Rs)
+disp("Ais = (Ai*Rs)/(Ri+Rs)= "+string(Ais))//current gain with source resistance
+
+Avs = Ai*RL/Ri
+disp("Avs = Ai*RL/Ri = "+string(Avs))//voltage gain with source resistance
+
+//note : in the textbook above problem has given two values for hie BUT no value for hfe ...
+// thus assuming hie=50 as hfe =50, as given in the previous example 8_2
+
+//note : answer in the textbook is not accuratly calculated.
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