initial commit / add all books

1 files changed, 27 insertions, 0 deletions

diff --git a/2594/CH5/EX5.28/Ex5_28.sce b/2594/CH5/EX5.28/Ex5_28.sce
new file mode 100755
index 000000000..32602b4a5
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+++ b/2594/CH5/EX5.28/Ex5_28.sce
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+clc

+Na=1*10^16

+disp("Na = "+string(Na)+"cm^3") //initializing value of acceptor concentration.

+Nd=5*10^16

+disp("Nd = "+string(Nd)+"cm^3") //initializing value of donor concentration .

+no=1.5*10^10

+disp("no = "+string(no)+"cm^-3") //initializing value of intrinsic concentration.

+Dn=25

+disp("Dn = "+string(Dn)+"cm^2/sec") //initializing value of diffusion cofficient on the P side.

+Dp=10

+disp("Dp = "+string(Dp)+"cm^2/sec") //initializing value of diffusion cofficient on the N side.

+tp=5*10^-7

+disp("tn = "+string(tp)+"s") //initializing value of hole lifetime.

+tn=5*10^-7

+disp("tp = "+string(tn)+"s") //initializing value of electron lifetime.

+e=1.6*10^-19

+disp("e = "+string(e)+"columns") //initializing value of charge of electrons.

+Pno=(no^2/Nd)

+disp("Pno=(no^2/Nd))="+string(Pno)+"cm^-3")//calculation.

+Npo=(no^2/Na)

+disp("Npo=(no^2/Na))="+string(Npo)+"cm^-3")//calculation.

+Lp=(sqrt(Dp*tp))

+disp("Lp=(sqrt(Dp*tp)))="+string(Lp)+"cm")//calculation.

+Ln=(sqrt(Dn*tn))

+disp("Ln=(sqrt(Dn*tn)))="+string(Ln)+"cm")//calculation.

+Jo=((e*((Dp*Pno/(Lp))+(Dn*Npo)/(Ln))))

+disp("Jo=((e*((Dp*Pno/(Lp))+(Dn*Npo)/(Ln))))="+string(Jo)+" A/cm^2")//calculation.