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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 /1514/CH21/EX21.3 | |
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initial commit / add all books
Diffstat (limited to '1514/CH21/EX21.3')
| -rwxr-xr-x | 1514/CH21/EX21.3/21_3.sce | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/1514/CH21/EX21.3/21_3.sce b/1514/CH21/EX21.3/21_3.sce new file mode 100755 index 000000000..9ad40cd4f --- /dev/null +++ b/1514/CH21/EX21.3/21_3.sce @@ -0,0 +1,43 @@ +//chapter 21
+//example 21.3
+//page 678
+clear all;
+clc ;
+//given
+Rp=9.7;//kohm
+Rk=270;//ohm
+Eg=[-4 -3 -2 -1];
+Rl=47;//load resistance in kohm
+Epp=200;//VE
+//total dc load resistance
+R=Rp+Rk;
+Ip=-1000*Eg/Rk;
+
+plot(-Eg,Ip,'-.*')
+xtitle('bias line','Eg(V)','Ip(mA)')
+
+//plotting DC load line
+Ip1= floor(Epp/Rp);
+//plot dc load line with points A(Ip,Ep)=A(0,200) and B(Ip1,Ep)=B(Ip1,0)
+figure,plot([200 0],[0 Ip1],'*b--');
+xtitle('Dc load line','Ep(V)','Ip(mA)')
+
+//after intersection of dc load line and bias line at Q
+Eg=-2.4;Ip=8.8;
+Ep=112;//plate to cathode voltage
+printf("\nFor Q point,\nEg=%.1f V\nIp=%.1f mA\nEp=%dV",Eg,Ip,Ep);
+R=(Rp*Rl)/(Rp+Rl);
+deltaIp=10;
+deltaEp=-deltaIp*R;
+//ac load line with points
+//point C(deltaEp,deltaIp)=(32,10)
+//point Q (112,8.8);
+plot([32 112],[10 8.8],'*r--');
+xtitle('dc(blue),ac(red) load line intersect at Q point','Ep(V)','Ip(mA)')
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