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Diffstat (limited to '2459/CH14/EX14.10')
| -rw-r--r-- | 2459/CH14/EX14.10/Ex14_10.PNG | bin | 0 -> 14183 bytes | |||
| -rw-r--r-- | 2459/CH14/EX14.10/Ex14_10.sce | 18 |
2 files changed, 18 insertions, 0 deletions
diff --git a/2459/CH14/EX14.10/Ex14_10.PNG b/2459/CH14/EX14.10/Ex14_10.PNG Binary files differnew file mode 100644 index 000000000..afc148729 --- /dev/null +++ b/2459/CH14/EX14.10/Ex14_10.PNG diff --git a/2459/CH14/EX14.10/Ex14_10.sce b/2459/CH14/EX14.10/Ex14_10.sce new file mode 100644 index 000000000..071c86897 --- /dev/null +++ b/2459/CH14/EX14.10/Ex14_10.sce @@ -0,0 +1,18 @@ +// chapter14
+// example14.10
+// page 305
+
+Rc=500 // ohm
+Rin=1d3 // ohm
+
+// gain of second stage is 60 since it has no loading effect of any stage so
+Av2=60
+load1=Rc*Rin/(Rc+Rin)
+Av1=Av2*load1/Rc
+Av=Av1*Av2
+
+printf("total gain = %.3f \n",Av)
+printf("comment : gain of one stage=60.So total gain should be 60*60=%d but here it is %.3f.\nThis is because of loading effect of input impedence of second stage on first stage. \n",60*60,Av)
+printf("So gain of first stage decreases.\nHowever, second stage has no loading effect of any next stage.So its gain does not decrease. \n")
+
+// the accurate answer for total gain is 2400 but in book it is given as 2397
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