initial commit / add all books

1 files changed, 19 insertions, 0 deletions

diff --git a/135/CH5/EX5.8/EX8.sce b/135/CH5/EX5.8/EX8.sce
new file mode 100755
index 000000000..413d2c377
--- /dev/null
+++ b/135/CH5/EX5.8/EX8.sce
@@ -0,0 +1,19 @@
+// Example 5.8: VCEQ

+clc, clear

+VBE=-0.7; // in volts

+betaf=120;

+// From Fig. 5.19(a)

+VCC=18; // in volts

+R1=47e3; // in ohms

+R2=10e3; // in ohms

+RC=2.4e3; // in ohms

+RE=1.1e3; // in ohms

+// Using Thevnin's theorem to obtain equivalent circuit given in Fig. 5.19(b)

+VBB=R2*VCC/(R1+R2); // in volts

+RB=R1*R2/(R1+R2); // in ohms

+// Applying KVL in the base emitter loop and putting Ic= βF*Ib

+IB=(VBB+VBE)/(RB+(1+betaf)*RE); // in amperes

+IC=betaf*IB; // in amperes

+// In the collector emitter loop

+VCE=-VCC+IC*(RC+RE)+IB*RE; // in volts

+disp(VCE,"VCEQ (V) =");
\ No newline at end of file