1 files changed, 24 insertions, 0 deletions
diff --git a/3822/CH6/EX6.8/Ex6_8.sce b/3822/CH6/EX6.8/Ex6_8.sce
new file mode 100644
index 000000000..832393bc4
--- /dev/null
+++ b/3822/CH6/EX6.8/Ex6_8.sce
@@ -0,0 +1,24 @@
+
+//OptoElectronics and Fibre Optics Communication, by C.K Sarkar and B.C Sarkar
+//Example 6.8
+//OS=Windows 10
+////Scilab version Scilab 6.0.0-beta-2(64 bit)
+clc;
+clear;
+
+//given
+Ic=16e-3;//collector current in mA
+P=130e-6;//incident power in microwatts
+lamda=1.25e-6;//wavelength in micrometer
+h=6.62e-34;//plank's constant in S.I units
+c=3e8;//velocity of light in m/s
+
+//case 1:
+u=h*c*Ic;
+v=lamda*P*1.6e-19;
+Go=u/v;//optical gain of the photo transistor
+//case 2:
+hFE=Go/0.45;//common emitter current gain
+mprintf("\n optical gain of phototransistor Go is=%.2f",Go);
+mprintf("\n common emitter current gain hFE is=%.2f",hFE);
+//Answers are different due to roundingoff error