diff options
Diffstat (limited to '3754/CH22/EX22.32/22_32.sce')
-rw-r--r-- | 3754/CH22/EX22.32/22_32.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3754/CH22/EX22.32/22_32.sce b/3754/CH22/EX22.32/22_32.sce new file mode 100644 index 000000000..f4788ee85 --- /dev/null +++ b/3754/CH22/EX22.32/22_32.sce @@ -0,0 +1,25 @@ +clear//
+
+//Variables
+
+VCC = 4.5 //Source voltage (in volts)
+RE = 0.27 //Emitter Resistance (in kilo-ohm)
+RC = 1.5 //Collector Resistance (in kilo-ohm)
+R1 = 27.0 //Resistance (in kilo-ohm)
+R2 = 2.7 //Resistance (in kilo-ohm)
+VBE = 0.3 //Emitter-to-Base Voltage for germanium (in volts)
+beta = 44.0 //Common emitter current gain
+
+//Calculation
+
+VB = - VCC * R2 / (R1 + R2) //Base voltage (in volts)
+VE = VB - (-VBE) //Emitter voltage (in volts)
+IE = VE / RE //Emitter current (in milli-Ampere)
+IC = IE //Collector current (in milli-Ampere)
+VRC = -IC * RC //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 The operating point values are IC = %0.3f mA and VCE = %0.2f V.",-IC,VCE)
|