diff options
Diffstat (limited to '3754/CH25/EX25.7/25_7.sce')
| -rw-r--r-- | 3754/CH25/EX25.7/25_7.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3754/CH25/EX25.7/25_7.sce b/3754/CH25/EX25.7/25_7.sce new file mode 100644 index 000000000..a1cd238a7 --- /dev/null +++ b/3754/CH25/EX25.7/25_7.sce @@ -0,0 +1,26 @@ +clear//
+
+//Variables
+
+hic = 2.0 * 10**3 //hic (in ohm)
+hfc = -51.0 //hfe
+hrc = 1.0 //hrc
+hoc = 25.0 * 10**-6 //hoc (in mho)
+rL=5.0*10**3;RE=5.0*10**3;
+RS = 1.0 * 10**3 //Source resistance (in ohm)
+R1=10.0*10**3;R2=10.0*10**3;
+
+//Calculation
+
+Ai = -hfc / (1 + hoc * rL) //Current gain
+Ri = hic + hrc * Ai * rL //Input resistance (in ohm)
+Ris = (R1*R2*Ri)/(Ri*R1 + Ri*R2 + R1*R2) //Input resistance of the amplified stage (in ohm)
+Ro = -(RS + hic)/hfc //Output resistance (in ohm)
+Ros = Ro * RE / (Ro + RE) //Input resistance of the amplified stage (in ohm)
+Ais = Ai * RS / (RS + Ris) //Current gain of amplified stage
+Av = Ai * rL / Ri //Voltage gain
+Avs = Av * Ris / (RS + Ris) //Voltage gain of amplified stage
+
+//Result
+
+printf("\n The value of input resistance of amplified stage is %0.0f ohm.\nThe value of output resistance of amplified stage is %0.f kilo-ohm.\nThe value of current gain of amplified stage is %0.1f .\nThe value of voltage gain of amplified stage is %0.3f .",Ris,abs(Ros),Ais,Avs)
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