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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /2459/CH12/EX12.3/Ex12_3.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '2459/CH12/EX12.3/Ex12_3.sce')
| -rw-r--r-- | 2459/CH12/EX12.3/Ex12_3.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/2459/CH12/EX12.3/Ex12_3.sce b/2459/CH12/EX12.3/Ex12_3.sce new file mode 100644 index 000000000..e66d126c1 --- /dev/null +++ b/2459/CH12/EX12.3/Ex12_3.sce @@ -0,0 +1,27 @@ +//chapter12
+//example12.3
+//page240
+
+Vbb=2 // V
+Vcc=9 // V
+Rc=2 // kilo ohm
+Rb=100 // kilo ohm
+gain_beta=50
+
+// by Kirchoff voltage law on base side, we get Ib*Rb+Vbe=Vbb so
+Ib=Vbb/Rb // Vbe is negligible
+Ic=gain_beta*Ib
+
+// by Kirchoff voltage law on collector side, we get Ic*Rc+Vce=Vcc so
+Vce=Vcc-Ic*Rc
+
+// now for Rb=50 kilo ohm
+Rb2=50 // kilo ohm
+
+// since Rb is halved, Ib is doubled so
+Ib2=2*Ib
+Ic2=Ib2*gain_beta
+Vce2=Vcc-Ic2*Rc
+
+printf("for Rb = 100 kilo ohm, collector current = %.3f mA \nand collector emitter voltage = %.3f V \n \n",Ic,Vce)
+printf("for Rb = 50 kilo ohm, collector current = %.3f mA \nand collector emitter voltage = %.3f V \n",Ic2,Vce2)
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