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Diffstat (limited to '2459/CH12/EX12.6/Ex12_6.sce')
| -rw-r--r-- | 2459/CH12/EX12.6/Ex12_6.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/2459/CH12/EX12.6/Ex12_6.sce b/2459/CH12/EX12.6/Ex12_6.sce new file mode 100644 index 000000000..cacf6eac8 --- /dev/null +++ b/2459/CH12/EX12.6/Ex12_6.sce @@ -0,0 +1,22 @@ +//chapter12 +//example12.6 +//page242 + +Vcc=10 // V +R_B=1d3 // kilo ohm +R_E=1 // kilo ohm +Vbe=0 // since it is negligible +gain_beta=100 + +// by Kirchoff voltage law to base side we get Vcc=I_B*R_B+Vbe+I_E*R_E +// but I_E=I_B+I_C and I_C=gain_beta*I_B +// so we get Vcc=I_B*R_B+Vbe+R_E*I_B*(1+gain_beta) +// making I_B as subject we get + +I_B=(Vcc-Vbe)/(R_B+R_E*(1+gain_beta)) // in ampere +I_C=gain_beta*I_B // in ampere +I_E=I_C+I_B // in ampere + +printf("base current = %.4f mA \n",I_B) +printf("collector current = %.4f mA \n",I_C) +printf("emitter current = %.4f mA \n",I_E) |