initial commit / add all books

7 files changed, 105 insertions, 0 deletions

diff --git a/2753/CH6/EX6.1/Ex6_1.sce b/2753/CH6/EX6.1/Ex6_1.sce
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+//Example 6.1: 
+clc;
+clear;
+close;
+//given data :
+Vgs= [0;0;0.3];//in V
+Vds=[5;10;10];//in V
+Id=[8;8.2;7.6];//in mA
+dVds=Vds(2)-Vds(1);//in V
+dId=Id(2)-Id(1);//in mA
+rd=(dVds/dId);//in kilo-ohm
+format('v',4)
+disp(rd,"(i) A.C. Drain resistance is ,(kilo-ohm)=")
+dVgs=Vgs(3)-Vgs(2);//in V
+dId1=Id(2)-Id(3);//in mA
+gm=dId1/dVgs;//in mA/volt
+format('v',3)
+disp(gm,"(ii) Transconductance is ,(mS)=")
+mu=gm*rd;//A/V
+format('v',4)
+disp(mu,"(iii) Amplification factor is ,=")
+//Transconductance and Amplification factor are calculated wrong in the textbook
diff --git a/2753/CH6/EX6.2/Ex6_2.sce b/2753/CH6/EX6.2/Ex6_2.sce
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index 000000000..67b43b44d
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+++ b/2753/CH6/EX6.2/Ex6_2.sce
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+//Example 6.2: 
+clc;
+clear;
+close;
+//given data :
+I1=1;// in mA
+I2=1.2;// in mA
+del_ID=(I2-I1);
+V1=-3;// in V
+V2=-2.9;// in V
+del_VGS=V2-V1;// in V
+gm=del_ID/del_VGS;
+format('v',4)
+disp(gm,"mutual conductance,gm(mS) = ")
diff --git a/2753/CH6/EX6.3/Ex6_3.sce b/2753/CH6/EX6.3/Ex6_3.sce
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index 000000000..8fb214111
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+++ b/2753/CH6/EX6.3/Ex6_3.sce
@@ -0,0 +1,13 @@
+//Example 6.3: 
+clc;
+clear;
+close;
+//given data :
+format('v',4)
+a=5.6*10^-6/2;// channel width in m
+epsilon0=8.86*10^-12;// in F/m
+epsilon=12*epsilon0;// in F/m
+Nd=10^21;// in m^-3
+e=1.6*10^-19;// in V
+Vp=e*Nd*a^2/(2*epsilon);
+disp(Vp,"Pinch off voltage,Vp(V) = ")
diff --git a/2753/CH6/EX6.4/Ex6_4.sce b/2753/CH6/EX6.4/Ex6_4.sce
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index 000000000..37740ae11
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+++ b/2753/CH6/EX6.4/Ex6_4.sce
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+//Example 6.4: 
+clc;
+clear;
+close;
+//given data :
+I_DES=8.7;// in mA
+V1=-3;// in V
+V_GS=-1;// in V
+ID=I_DES*(1-(V_GS/V1))^2;
+format('v',6)
+disp(ID,"(i). ID(mA) = ")
+gmo=-(2*I_DES/V1);
+format('v',4)
+disp(gmo,"(ii). gmo(mS) = ")
+gm=gmo*(1-(V_GS/V1));
+format('v',6)
+disp(gm,"(iii). gm(mA) = ")
diff --git a/2753/CH6/EX6.5/Ex6_5.sce b/2753/CH6/EX6.5/Ex6_5.sce
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index 000000000..f50d9fe4f
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+++ b/2753/CH6/EX6.5/Ex6_5.sce
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+//Example 6.5: 
+clc;
+clear;
+close;
+//given data :
+format('v',4)
+ID=3;// in mA
+I_DSS=9;// in mA
+Vp=-4.5;// in V
+Vgs=-Vp*(sqrt(ID/I_DSS)-1);
+disp(Vgs,"Vgs(V) = ")
diff --git a/2753/CH6/EX6.6/Ex6_6.sce b/2753/CH6/EX6.6/Ex6_6.sce
new file mode 100755
index 000000000..8a0365f83
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+++ b/2753/CH6/EX6.6/Ex6_6.sce
@@ -0,0 +1,10 @@
+//Example 6.6: 
+clc;
+clear;
+close;
+//given data :
+gm=3;//Transconductance in mS
+rl=10;//load resistance in kilo-ohm
+av=gm*rl;//
+format('v',4)
+disp(av,"the voltage aplification is ,=")
diff --git a/2753/CH6/EX6.7/Ex6_7.sce b/2753/CH6/EX6.7/Ex6_7.sce
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index 000000000..3c38e44ed
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+++ b/2753/CH6/EX6.7/Ex6_7.sce
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+//Example 6.7: 
+clc;
+clear;
+close;
+//given data :
+Rl=20;//in kilo-ohm
+Rs=1;//in kilo-ohm
+Rg=1;//in M-ohm
+Cs=25;//in micro-F
+mu=20;//amplification factor
+rd=100;//in kilo-ohm
+vi=2;//in V
+f=1;//in kilo-Hz
+Xc=((1/(2*%pi*f*10^3*Cs*10^-6)));//in ohm
+A=((mu*Rl*10^3)/((rd+Rl)*10^3));//Voltage gain
+Vo=A*vi;//in V
+format('v',5)
+disp(Vo,"amplifier output signal voltage is ,(V)=")