initial commit / add all books

2 files changed, 26 insertions, 0 deletions

diff --git a/69/CH8/EX8.4/8_4.jpg b/69/CH8/EX8.4/8_4.jpg
new file mode 100755
index 000000000..95aad426c
--- /dev/null
+++ b/69/CH8/EX8.4/8_4.jpg
diff --git a/69/CH8/EX8.4/8_4.sce b/69/CH8/EX8.4/8_4.sce
new file mode 100755
index 000000000..14bdf700d
--- /dev/null
+++ b/69/CH8/EX8.4/8_4.sce
@@ -0,0 +1,26 @@
+clear; clc; close;

+

+Idss = 8*10^(-3);

+Vp = -4;

+

+gmo = 2*Idss/abs(Vp);

+

+Id1 = 0;

+gm1 = gmo*(sqrt(Id1/Idss));

+Id2 = Idss/4;

+gm2 = gmo*(sqrt(Id2/Idss));

+Id3 = Idss/2;

+gm3 = gmo*(sqrt(Id3/Idss));

+Id4 = Idss;

+gm4 = gmo*(sqrt(Id4/Idss));

+

+x = [Id1 Id2 Id3 Id4];

+y = [gm1 gm2 gm3 gm4];

+yi=smooth([x;y],0.0005);

+a = gca();

+a.thickness = 2;

+a.y_location = 'left';

+a.x_label.text = 'Id(mA)';

+a.y_label.text = 'gm(S)';

+a.title.text = 'gm vs Id';

+plot2d(yi(1,:)',yi(2,:)',[3]);