summaryrefslogtreecommitdiff
path: root/3754/CH20/EX20.16/20_16.sce
diff options
context:
space:
mode:
Diffstat (limited to '3754/CH20/EX20.16/20_16.sce')
-rw-r--r--3754/CH20/EX20.16/20_16.sce28
1 files changed, 28 insertions, 0 deletions
diff --git a/3754/CH20/EX20.16/20_16.sce b/3754/CH20/EX20.16/20_16.sce
new file mode 100644
index 000000000..4c0729d95
--- /dev/null
+++ b/3754/CH20/EX20.16/20_16.sce
@@ -0,0 +1,28 @@
+clear//
+
+//Variables
+
+VS = 15.0 //Input voltage (in volts)
+VZ = 8.3 //Zener voltage (in volts)
+beta = 100.0 //Common-emitter current gain
+R = 1.8 //Resistance (in kilo-ohm)
+RL = 2.0 //Resistance (in kilo-ohm)
+VBE = 0.7 //Voltage across base-emitter junction (in volts)
+
+//Calculation
+
+VL = VZ - VBE //Voltage across load (in volts)
+VCE = VS - VL //Collector to emitter voltage (in volts)
+IR = (VS - VZ)/ R //Current through R (in milli-Ampere)
+IL = VL / RL //Load current (in milli-Ampere)
+IB = IL / beta //Base current (in milli-Ampere)
+IZ = IR - IB //Current through Zener (in milli-Ampere)
+
+//Result
+
+printf("\n Load voltage is %0.3f V.",VL)
+printf("\n Collector to Emitter voltage is %0.3f V.",VCE)
+printf("\n Current through R is %0.2f mA.",IR)
+printf("\n Load current is %0.3f mA.",IL)
+printf("\n Base current is %0.3f micro-A.",IB * 10**3)
+printf("\n Current through Zener is %0.2f mA.",IZ)