diff options
Diffstat (limited to '3754/CH22/EX22.21/22_21.sce')
| -rw-r--r-- | 3754/CH22/EX22.21/22_21.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3754/CH22/EX22.21/22_21.sce b/3754/CH22/EX22.21/22_21.sce new file mode 100644 index 000000000..537444f8d --- /dev/null +++ b/3754/CH22/EX22.21/22_21.sce @@ -0,0 +1,24 @@ +clear//
+
+//Variables
+
+VCC = 9.0 //Source voltage (in volts)
+RE = 680.0 //Emitter Resistance (in ohm)
+RC = 1.0 //Collector Resistance (in kilo-ohm)
+R1 = 33.0 //Resistance (in kilo-ohm)
+R2 = 15.0 //Resistance (in kilo-ohm)
+VBE = 0.7 //Emitter-to-Base Voltage (in volts)
+
+//Calculation
+
+VB = VCC * R2 / (R1 + R2) //Base voltage (in volts)
+VE = VB - VBE //Emitter voltage (in volts)
+IE = VE / RE //Emitter current (in Ampere)
+IC = IE //Collector current (in Ampere)
+VRC = IC * RC * 10**3 //Voltage across collector resistance (in volts)
+VC = VCC - VRC //Collector voltage (in volts)
+VCE = VC - VE //Collector-to-emitter voltage (in volts)
+
+//Result
+
+printf("\n Operating point values are IC = %0.1f mA and VCE = %0.3f V.",IC*10**3,VCE)
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