diff options
Diffstat (limited to '3507/CH14/EX14.12/Ex14_12.sce')
| -rw-r--r-- | 3507/CH14/EX14.12/Ex14_12.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3507/CH14/EX14.12/Ex14_12.sce b/3507/CH14/EX14.12/Ex14_12.sce new file mode 100644 index 000000000..f79b65a17 --- /dev/null +++ b/3507/CH14/EX14.12/Ex14_12.sce @@ -0,0 +1,16 @@ +// chapter14
+// example14.12
+// page 307
+
+Rin=1d3 // ohm
+Rc= 10d3 // ohm
+Rl=100 // ohm
+gain_beta=100
+
+// effective collector load is
+R_AC=Rc*Rl/(Rc+Rl)
+Av=gain_beta*R_AC/Rin
+
+printf("voltage gain = %.3f \n",Av)
+printf("comment : load is only 100 ohm so efective load of amplifier is too much reduced.\nThus voltage gain is very small.\n")
+printf("In such cases we can use a step down transformer to serve the purpose. \n")
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