diff options
Diffstat (limited to '3754/CH22/EX22.17/22_17.sce')
| -rw-r--r-- | 3754/CH22/EX22.17/22_17.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3754/CH22/EX22.17/22_17.sce b/3754/CH22/EX22.17/22_17.sce new file mode 100644 index 000000000..d9061b4e1 --- /dev/null +++ b/3754/CH22/EX22.17/22_17.sce @@ -0,0 +1,20 @@ +clear//
+
+//Variables
+
+VCC = 3.0 //Source voltage (in volts)
+RB = 33.0 //Base Resistance (in kilo-ohm)
+RC = 1.8 //Collector Resistance (in kilo-ohm)
+VBE = 0.7 //Emitter-to-Base Voltage (in volts)
+beta = 90.0 //Common emitter current gain
+
+//Calculation
+
+IB = (VCC - VBE) / (RB + beta * RC) //Base current (in milli-Ampere)
+IC = beta * IB //Collector current (in milli-Ampere)
+VCE = VCC -IC * RC //Collector-to-emitter voltage (in volts)
+S = (1 + beta)/(1 + beta*RC/(RC + RB)) //Stability factor
+
+//Result
+
+printf("\n DC bias current is %0.2f mA.\nDC bias voltage is %0.1f V.\nStability factor is %0.1f .",IC,VCE,S)
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