2 files changed, 18 insertions, 0 deletions
diff --git a/1658/CH18/EX18.1/Ex18_1.png b/1658/CH18/EX18.1/Ex18_1.png
new file mode 100755
index 000000000..a15557df7
--- /dev/null
+++ b/1658/CH18/EX18.1/Ex18_1.png
diff --git a/1658/CH18/EX18.1/Ex18_1.sce b/1658/CH18/EX18.1/Ex18_1.sce
new file mode 100755
index 000000000..365f1a201
--- /dev/null
+++ b/1658/CH18/EX18.1/Ex18_1.sce
@@ -0,0 +1,18 @@
+
+clc;
+//e.g 18.1
+Vbb=10;
+Rb=47*10**3;
+Vcc=20;
+Rc=10*10**3;
+B=100;
+Ic=Vcc/Rc;//saturation current
+disp('mA',Ic*10**3,"Ic=");
+Vce=Vcc;//cut-off voltage
+disp('V',Vce*1,"Vce=");
+i=2:-0.1:0;
+plot2d(i);
+a=gca() //get the current axes
+a.box="off";
+xlabel("VCE");
+ylabel( "IC");