diff options
Diffstat (limited to '69/CH7')
30 files changed, 738 insertions, 0 deletions
diff --git a/69/CH7/EX7.1/7_1.sce b/69/CH7/EX7.1/7_1.sce new file mode 100755 index 000000000..fad565fe3 --- /dev/null +++ b/69/CH7/EX7.1/7_1.sce @@ -0,0 +1,22 @@ +clear; clc; close;
+
+Vgg = 2;
+Idss = 10*10^(-3);
+Vp = -4;
+Vdd = 16;
+Rd = 2*10^(3);
+
+Vgs = -Vgg;
+Id = Idss*(1-(Vgs/Vp))^2;
+Vds = Vdd - Id*Rd;
+Vd = Vds;
+Vg = Vgs;
+Vs = 0;
+
+disp(Vgs,'Vgsq(Volts) = ');
+disp(Id,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
+disp(Vd,'Vd(Volts) = ');
+disp(Vg,'Vg(Volts) = ');
+disp(Vs,'Vs(Volts) = ');
+
diff --git a/69/CH7/EX7.10/7_10.sce b/69/CH7/EX7.10/7_10.sce new file mode 100755 index 000000000..602c18d69 --- /dev/null +++ b/69/CH7/EX7.10/7_10.sce @@ -0,0 +1,16 @@ +clear; clc; close;
+
+Idss = 10*10^(-3);
+Vp = -4;
+Vdd = 20;
+Rd = 1.5*10^(3);
+
+Vgsq = 0;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 10*10^(-3);
+
+Vd = Vdd - Idq*(Rd);
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vd,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.11/7_11.jpg b/69/CH7/EX7.11/7_11.jpg Binary files differnew file mode 100755 index 000000000..4d7f273e1 --- /dev/null +++ b/69/CH7/EX7.11/7_11.jpg diff --git a/69/CH7/EX7.11/7_11.sce b/69/CH7/EX7.11/7_11.sce new file mode 100755 index 000000000..57f3ff558 --- /dev/null +++ b/69/CH7/EX7.11/7_11.sce @@ -0,0 +1,43 @@ +clear; clc; close;
+
+Id_on = 6*10^(-3);
+Vgs_on = 8;
+Vgs_th = 3;
+Rd = 2*10^(3);
+Vdd = 12;
+
+k = Id_on/(Vgs_on-Vgs_th);
+
+Vgs1 = Vgs_th;
+Id1 = 0;
+Vgs2 = 6;
+Id2 = 0.24*10^(-3)*(6-3)^2;
+Vgs3 = Vgs_on;
+Id3 = Id_on;
+Vgs4 = 10;
+Id4 = 0.24*10^(-3)*(10-3)^2;
+
+x = [0 1 2 Vgs1 Vgs2 Vgs3 Vgs4];
+y = [0 0 0 Id1 Id2 Id3 Id4];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'left';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Transfer curve for MOSFET';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+Vgs = Vdd; //at Id = 0
+Id = Vdd/Rd; //at Vgs = 0
+x = 0:1:12;
+y = (-0.5*10^(-3))*x + 6*10^(-3);
+plot2d(x,y);
+Idq = 2.75*10^(-3);
+Vgsq = 6.4;
+Vdsq = Vgsq;
+disp(Idq,'Idq(Amperes) = ');
+disp(Vdsq,'Vdsq(Volts) = ');
+
diff --git a/69/CH7/EX7.12/7_12.jpg b/69/CH7/EX7.12/7_12.jpg Binary files differnew file mode 100755 index 000000000..cd4eb51dc --- /dev/null +++ b/69/CH7/EX7.12/7_12.jpg diff --git a/69/CH7/EX7.12/7_12.sce b/69/CH7/EX7.12/7_12.sce new file mode 100755 index 000000000..763417a45 --- /dev/null +++ b/69/CH7/EX7.12/7_12.sce @@ -0,0 +1,37 @@ +clear; clc; close;
+
+Id_on = 3*10^(-3);
+Vgs_on = 10;
+Vgs_th = 5;
+Vdd = 40;
+R1 = 22*10^(6);
+R2 = 18*10^(6);
+Rs = 1*10^(3);
+Rd = 3*10^(3);
+
+Vg = (R2*Vdd)/(R1+R2)
+Vgs = 0:1:18;
+Id = (Vg-Vgs)/Rs;
+plot2d(Vgs,Id);
+a = gca();
+a.thickness = 2;
+a.y_location = 'left';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-point for network';
+a.grid = [1 1];
+
+k = Id_on/(Vgs_on-Vgs_th)^2;
+Vgs = 5:1:18;
+Id = k*(Vgs-Vgs_th)^2;
+yi=smooth([Vgs;Id],0.1);
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+Idq = 5.2*10^(-3);
+Vgsq = 12.5;
+Vds = Vdd-Idq*(Rs+Rd);
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vgsq,'Vgsq(Volts) = ')
+disp(Vds,'Vds(Volts) = ');
+
diff --git a/69/CH7/EX7.13/7_13.sce b/69/CH7/EX7.13/7_13.sce new file mode 100755 index 000000000..7724c59b1 --- /dev/null +++ b/69/CH7/EX7.13/7_13.sce @@ -0,0 +1,21 @@ +clear; clc; close;
+
+Idss = 12*10^(-3);
+Vp = -3;
+Vbe = 0.7;
+Beta = 180;
+Re = 1.6*10^(3);
+
+Vb = (24*10^(3)*16)/((82+24)*10^(3));
+Ve = Vb-Vbe;
+Vre = Ve;
+Ie = Vre/Re;
+Ic = Ie;
+Id = Ic;
+Vd = 16-Id*(2.7*10^(3));
+Vgsq = -1.8;
+Vc = Vb - Vgsq;
+
+disp(Vd,'Vd(Volts) = ');
+disp(Vc,'Vc(Volts) = ');
+
diff --git a/69/CH7/EX7.14/7_14.sce b/69/CH7/EX7.14/7_14.sce new file mode 100755 index 000000000..3be1d270f --- /dev/null +++ b/69/CH7/EX7.14/7_14.sce @@ -0,0 +1,18 @@ +clear; clc; close;
+
+Idss = 12*10^(-3);
+Vp = -3;
+Vbe = 0.7;
+Beta = 80;
+Re = 1.6*10^(3);
+Rs = 2.4*10^(3);
+
+Vgsq = -2.6;
+Idq = 1*10^(-3);
+Ic = Idq;
+Ie = Ic;
+Ib = Ic/Beta;
+Vb = 16-Ib*(470*10^(3));
+Vd = Vb-Vbe;
+disp(Vd,'Vd(Volts) = ');
+
diff --git a/69/CH7/EX7.15/7_15.sce b/69/CH7/EX7.15/7_15.sce new file mode 100755 index 000000000..3adc95146 --- /dev/null +++ b/69/CH7/EX7.15/7_15.sce @@ -0,0 +1,13 @@ +clear; clc; close;
+
+Vdd = 20;
+Vdq = 12;
+Idq = 2.5*10^(-3);
+Vgsq = -1;
+Rd = (Vdd-Vdq)/Idq;
+Rs = -Vgsq/Idq;
+
+disp(Rd,'Rd(Ohms) = ');
+disp(Rs,'Rs(Ohms) = ');
+disp(3.3*10^(3),'Closest commercial value of Rd(Ohms) = ');
+disp(0.39*10^(3),'Closest commercial value of Rs(Ohms) = ');
diff --git a/69/CH7/EX7.16/7_16.sce b/69/CH7/EX7.16/7_16.sce new file mode 100755 index 000000000..9be1c729f --- /dev/null +++ b/69/CH7/EX7.16/7_16.sce @@ -0,0 +1,14 @@ +clear; clc; close;
+
+Vd =12;
+Vdd = 16;
+Vgsq = -2;
+Rd = 1.8*10^(3);
+
+Vg = (47*10^(3)*16)/((47+91)*10^(3));
+Id = (Vdd-Vd)/Rd;
+
+Rs = (Vg-Vgsq)/Id;
+
+disp(Rs,'Rs(Ohms) = ');
+
diff --git a/69/CH7/EX7.17/7_17.sce b/69/CH7/EX7.17/7_17.sce new file mode 100755 index 000000000..ad3ca86ef --- /dev/null +++ b/69/CH7/EX7.17/7_17.sce @@ -0,0 +1,14 @@ +clear; clc; close;
+
+Id_on = 4*10^(-3);
+Vgs_on = 6;
+Vgs_th = 3;
+
+Vgs = Vgs_on;
+Vdd = 2*Vgs;
+Vds = Vgs;
+Id = Id_on;
+
+Rd = (Vdd-Vds)/Id;
+
+disp(Rd,'Rd(Ohms) = ');
diff --git a/69/CH7/EX7.18/7_18.sce b/69/CH7/EX7.18/7_18.sce new file mode 100755 index 000000000..cf1b8342f --- /dev/null +++ b/69/CH7/EX7.18/7_18.sce @@ -0,0 +1,49 @@ +clear; clc; close;
+
+Idss = 8*10^(-3);
+Vp = 4;
+Vdd = 20;
+Rd = 4*10^(3);
+Rs = 1.8*10^(3);
+
+Vg = 20*10^(3)*(-20)/((20+68)*10^(3));
+
+Vgs1 = 0;
+Id1 = Idss;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = Vp;
+Id3 = 0;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.data_bounds = [-5 0;5 8*10^(-3)];
+a.y_location = 'middle';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-point for network';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Id1 = 0;
+Vgs1 = Vg+Id1*Rs;
+Vgs2 = 0;
+Id2 = (Vgs2-Vg)/Rs;
+Id3 = 4*10^(-3);
+Vgs3 = Vg+Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+
+
+Vgsq = 1.6;
+Idq = 3.1*10^(-3);
+Vds = -Vdd+Idq*(Rd+Rs);
+
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+disp(Idq,'Q-point value of Id(found after interpolation) is :');
+disp(Vds,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.19/7_19.sce b/69/CH7/EX7.19/7_19.sce new file mode 100755 index 000000000..dc293fb97 --- /dev/null +++ b/69/CH7/EX7.19/7_19.sce @@ -0,0 +1,14 @@ +clear; clc; close;
+
+Idss = 6*10^(-3);
+Vp = -3;
+Vdd = 16;
+Rd = 3.9*10^(3);
+Rs = 1.6*10^(3);
+
+m = abs(Vp)/(Idss*Rs);
+Idq = 0.18*Idss;
+Vgsq = -0.575*abs(Vp);
+
+disp(Vgsq,'Vgsq(Volts) = ');
+disp(Idq,'Idq(Amperes) = ');
diff --git a/69/CH7/EX7.2/7_2.jpg b/69/CH7/EX7.2/7_2.jpg Binary files differnew file mode 100755 index 000000000..aceaf7207 --- /dev/null +++ b/69/CH7/EX7.2/7_2.jpg diff --git a/69/CH7/EX7.2/7_2.sce b/69/CH7/EX7.2/7_2.sce new file mode 100755 index 000000000..3b2a4f787 --- /dev/null +++ b/69/CH7/EX7.2/7_2.sce @@ -0,0 +1,52 @@ +clear; clc; close;
+
+Idss = 8*10^(-3);
+Vp = -6;
+Vdd = 20;
+Rd = 3.3*10^(3);
+Rs = 1*10^(3);
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Device characteristics JFET';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Vgs1 = 0;
+Id1 = 0;
+Id2 = 4*10^(-3);
+Vgs2 = -Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = -Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+
+Vgsq = -2.6;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 2.6*10^(-3);
+Vds = Vdd - Idq*(Rs+Rd);
+Vs = Idq*Rs;
+Vg = 0;
+Vd = Vds + Vs;
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
+disp(Vd,'Vd(Volts) = ');
+disp(Vg,'Vg(Volts) = ');
+disp(Vs,'Vs(Volts) = ');
diff --git a/69/CH7/EX7.20/7_20.sce b/69/CH7/EX7.20/7_20.sce new file mode 100755 index 000000000..adfaa9cdc --- /dev/null +++ b/69/CH7/EX7.20/7_20.sce @@ -0,0 +1,18 @@ +clear; clc; close;
+
+Idss = 8*10^(-3);
+Vp = -6;
+Vdd = 18;
+Rs = 1.2*10^(3);
+R1 = 2*10^(6);
+R2 = 470*10^(3);
+
+m = abs(Vp)/(Idss*Rs);
+Vg = R2*Vdd/(R1+R2);
+M = m*(Vg/abs(Vp));
+
+Idq = 0.52*Idss;
+Vgsq = -0.27*abs(Vp);
+
+disp(Vgsq,'Vgsq(Volts) = ');
+disp(Idq,'Idq(Amperes) = ');
diff --git a/69/CH7/EX7.3/7_3.jpg b/69/CH7/EX7.3/7_3.jpg Binary files differnew file mode 100755 index 000000000..b7faaee20 --- /dev/null +++ b/69/CH7/EX7.3/7_3.jpg diff --git a/69/CH7/EX7.3/7_3.sce b/69/CH7/EX7.3/7_3.sce new file mode 100755 index 000000000..3aecfd04b --- /dev/null +++ b/69/CH7/EX7.3/7_3.sce @@ -0,0 +1,71 @@ +clear; clc; close;
+
+Rs = 100;
+Idss = 8*10^(-3);
+Vp = -6;
+Vdd = 20;
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Device characteristics JFET';
+a.grid = [1 1];
+
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Vgs1 = 0;
+Id1 = 0;
+Id2 = 4*10^(-3);
+Vgs2 = -Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = -Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+
+
+
+
+Idq = 6.4*10^(-3);
+Vgsq = -0.64;
+disp('From the figure,for part a i.e Rs=100Kohm,we get ');
+disp(Idq,'Idq(Amperes) = ');
+disp(Vgsq,'Vgsq(Volts) = ');
+
+//part b
+
+Rs = 10*10^(3);
+Idss = 8*10^(-3);
+Vp = -6;
+Vdd = 20;
+
+
+
+Vgs1 = 0;
+Id1 = 0;
+Id2 = 4*10^(-3);
+Vgs2 = -Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = -Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+a.data_bounds = [-8 0;0 8*10^(-3)];
+Idq = 0.46*10^(-3);
+Vgsq = -4.6;
+disp('From the figure,for part b i.e Rs=10Kohm,we get ')
+disp(Idq,'Idq(Amperes) = ');
+disp(Vgsq,'Vgsq(Volts) = ');
diff --git a/69/CH7/EX7.4/7_4.jpg b/69/CH7/EX7.4/7_4.jpg Binary files differnew file mode 100755 index 000000000..c65b7f33a --- /dev/null +++ b/69/CH7/EX7.4/7_4.jpg diff --git a/69/CH7/EX7.4/7_4.sce b/69/CH7/EX7.4/7_4.sce new file mode 100755 index 000000000..c69614774 --- /dev/null +++ b/69/CH7/EX7.4/7_4.sce @@ -0,0 +1,54 @@ +clear; clc; close;
+
+Idss = 12*10^(-3);
+Vp = -6;
+Vdd = 12;
+Rd = 1.5*10^(3);
+Rs = 680;
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Device characteristics JFET';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Vgs1 = 0;
+Id1 = 0;
+Id2 = 4*10^(-3);
+Vgs2 = -Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = -Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+
+
+Vgsq = -2.6;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 3.8*10^(-3);
+Vd = Vdd - Idq*Rd;
+Vg = 0;
+Vs = Idq*Rs;
+Vds = Vd-Vs;
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
+disp(Vd,'Vd(Volts) = ');
+disp(Vg,'Vg(Volts) = ');
+disp(Vs,'Vs(Volts) = ');
+disp(Vds,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.5/7_5.jpg b/69/CH7/EX7.5/7_5.jpg Binary files differnew file mode 100755 index 000000000..cc2aa25c3 --- /dev/null +++ b/69/CH7/EX7.5/7_5.jpg diff --git a/69/CH7/EX7.5/7_5.sce b/69/CH7/EX7.5/7_5.sce new file mode 100755 index 000000000..3b3cdae2c --- /dev/null +++ b/69/CH7/EX7.5/7_5.sce @@ -0,0 +1,60 @@ +clear; clc; close;
+
+Idss = 8*10^(-3);
+Vp = -4;
+Vdd = 16;
+Rd = 2.4*10^(3);
+Rs = 1.5*10^(3);
+R1 = 2.1*10^(6);
+R2 = 0.27*10^(6);
+//finding Vg
+Vg = R2*Vdd/(R1+R2);
+
+//plotting transfer curve
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-Point determination';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Id1 = 0;
+Vgs1 = Vg-Id1*Rs;
+Id2 = 4*10^(-3);
+Vgs2 = Vg-Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = Vg-Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+a.data_bounds = [-4 0;2 8*10^(-3)];
+
+
+Vgsq = -1.8;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 2.4*10^(-3);
+
+Vd = Vdd-Idq*Rd;
+Vs = Idq*Rs;
+Vds = Vdd - Idq*(Rd+Rs);
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
+disp(Vd,'Vd(Volts) = ');
+disp(Vs,'Vs(Volts) = ');
+disp(Vds,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.6/7_6.jpg b/69/CH7/EX7.6/7_6.jpg Binary files differnew file mode 100755 index 000000000..b85fc66d9 --- /dev/null +++ b/69/CH7/EX7.6/7_6.jpg diff --git a/69/CH7/EX7.6/7_6.sce b/69/CH7/EX7.6/7_6.sce new file mode 100755 index 000000000..69f6c3ea8 --- /dev/null +++ b/69/CH7/EX7.6/7_6.sce @@ -0,0 +1,58 @@ +clear; clc; close;
+
+Idss = 9*10^(-3);
+Vp = -3;
+Vdd = 20;
+Vss = 10;
+Rd = 1.8*10^(3);
+Rs = 1.5*10^(3);
+
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-point for network';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+
+Id1 = 0;
+Vgs1 = Vss-Id1*Rs;
+Id2 = 4*10^(-3);
+Vgs2 = Vss-Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = Vss-Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+a.data_bounds = [-3 0;10 9*10^(-3)];
+
+
+
+Vgsq = -0.35;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 6.9*10^(-3);
+
+Vds = Vdd+Vss-Idq*(Rd+Rs);
+Vd = Vdd-Idq*Rd;
+Vs = Vd-Vds;
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
+disp(Vd,'Vd(Volts) = ');
+disp(Vs,'Vs(Volts) = ');
+disp(Vds,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.7/7_7.jpg b/69/CH7/EX7.7/7_7.jpg Binary files differnew file mode 100755 index 000000000..2448f1767 --- /dev/null +++ b/69/CH7/EX7.7/7_7.jpg diff --git a/69/CH7/EX7.7/7_7.sce b/69/CH7/EX7.7/7_7.sce new file mode 100755 index 000000000..b209c0e5c --- /dev/null +++ b/69/CH7/EX7.7/7_7.sce @@ -0,0 +1,54 @@ +clear; clc; close;
+
+Idss = 6*10^(-3);
+Vp = -3;
+Vdd = 18;
+Rd = 1.8*10^(3);
+Rs = 750;
+
+Vg = 10*10^(6)*18/((10+110)*10^(6));
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+Vgs4 = 1;
+Id4 = Idss*(1-(Vgs4/Vp))^2;
+disp(Id4);
+x = [Vgs1 Vgs2 Vgs3 Vgs4];
+y = [Id1 Id2 Id3 Id4];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-point for network';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Id1 = 0;
+Vgs1 = Vg-Id1*Rs;
+Id2 = 3*10^(-3);
+Vgs2 = Vg-Id2*Rs;
+Id3 = 6*10^(-3);
+Vgs3 = Vg-Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+a.data_bounds = [-3 0;2 10*10^(-3)];
+
+
+Vgsq = -0.8;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 3.1*10^(-3);
+
+Vds = Vdd - Idq*(Rd+Rs);
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.8/7_8.jpg b/69/CH7/EX7.8/7_8.jpg Binary files differnew file mode 100755 index 000000000..6f74d04a6 --- /dev/null +++ b/69/CH7/EX7.8/7_8.jpg diff --git a/69/CH7/EX7.8/7_8.sce b/69/CH7/EX7.8/7_8.sce new file mode 100755 index 000000000..0e77b2f49 --- /dev/null +++ b/69/CH7/EX7.8/7_8.sce @@ -0,0 +1,59 @@ +clear; clc; close;
+
+Idss = 6*10^(-3);
+Vp = -3;
+Vdd = 18;
+Rd = 1.8*10^(3);
+Rs = 150;
+
+
+Vg = 10*10^(6)*18/((10+110)*10^(6));
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+Vgs4 = 1;
+Id4 = Idss*(1-(Vgs4/Vp))^2;
+disp(Id4);
+x = [Vgs1 Vgs2 Vgs3 Vgs4];
+y = [Id1 Id2 Id3 Id4];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-point for network';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Id1 = 0;
+Vgs1 = Vg-Id1*Rs;
+Id2 = 3*10^(-3);
+Vgs2 = Vg-Id2*Rs;
+Id3 = 6*10^(-3);
+Vgs3 = Vg-Id3*Rs;
+Vgs4 = 0;
+Id4 = (Vg - Vgs4)/Rs;
+x = [Vgs1 Vgs2 Vgs3 Vgs4];
+y = [Id1 Id2 Id3 Id4];
+plot2d(x,y);
+a.data_bounds = [-3 0;2 10*10^(-3)];
+
+
+
+
+Vgsq = 0.35;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 7.6*10^(-3);
+
+Vds = Vdd - Idq*(Rd+Rs);
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vds,'Vds(Volts) = ');
diff --git a/69/CH7/EX7.9/7_9.jpg b/69/CH7/EX7.9/7_9.jpg Binary files differnew file mode 100755 index 000000000..20e7b460a --- /dev/null +++ b/69/CH7/EX7.9/7_9.jpg diff --git a/69/CH7/EX7.9/7_9.sce b/69/CH7/EX7.9/7_9.sce new file mode 100755 index 000000000..a56e521d8 --- /dev/null +++ b/69/CH7/EX7.9/7_9.sce @@ -0,0 +1,51 @@ +clear; clc; close;
+
+Idss = 8*10^(-3);
+Vp = -8;
+Vdd = 20;
+Rd = 6.2*10^(3);
+Rs = 2.4*10^(3);
+
+Vgs1 = Vp;
+Id1 = 0;
+Vgs2 = Vp/2;
+Id2 = Idss/4;
+Vgs3 = 0;
+Id3 = Idss;
+Vgs4 = 2;
+Id4 = Idss*(1-(Vgs4/Vp))^2;
+x = [Vgs1 Vgs2 Vgs3 Vgs4];
+y = [Id1 Id2 Id3 Id4];
+
+yi=smooth([x;y],0.1);
+a = gca();
+a.thickness = 2;
+a.y_location = 'right';
+a.x_label.text = 'Vgs';
+a.y_label.text = 'Id(mA)';
+a.title.text = 'Q-point for the network';
+a.grid = [1 1];
+plot2d(yi(1,:)',yi(2,:)',[3]);
+
+
+Vgs1 = 0;
+Id1 = 0;
+Id2 = 4*10^(-3);
+Vgs2 = -Id2*Rs;
+Id3 = 8*10^(-3);
+Vgs3 = -Id3*Rs;
+x = [Vgs1 Vgs2 Vgs3];
+y = [Id1 Id2 Id3];
+plot2d(x,y);
+a.data_bounds = [-8 0;0 13*10^(-3)];
+
+
+Vgsq = -4.3;
+disp(Vgsq,'Q-point value of Vgs(found after interpolation) is :');
+
+Idq = 1.7*10^(-3);
+
+Vd = Vdd - Idq*(Rd);
+
+disp(Idq,'Idq(Amperes) = ');
+disp(Vd,'Vd(Volts) = ');
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