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Diffstat (limited to '2459/CH13/EX13.18/Ex13_18.sce')
| -rw-r--r-- | 2459/CH13/EX13.18/Ex13_18.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/2459/CH13/EX13.18/Ex13_18.sce b/2459/CH13/EX13.18/Ex13_18.sce new file mode 100644 index 000000000..76ee06ab8 --- /dev/null +++ b/2459/CH13/EX13.18/Ex13_18.sce @@ -0,0 +1,21 @@ +//chapter13
+//example13.18
+//page292
+
+Av=80
+Ai=120
+V2=1 // V
+Rout=1 // ohm
+Rl=2 // ohm
+
+V1=V2/Av // in V
+
+// Av=Ao*Rl/(Rout+Rl) and Ai=Ao*Rin/(Rout+Rl) so
+// Av/Ai=Rl/Rin hence
+Rin=Rl*Ai/Av
+
+I1=V1/Rin // in mA
+Ap=Av*Ai
+
+printf("required signal voltage = %.2f mV and current = %.2f micro ampere \n",V1*1d3,I1*1d3)
+printf("power gain = %.3f \n",Ap)
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