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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 /3636/CH13 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3636/CH13')
| -rw-r--r-- | 3636/CH13/EX13.1/Ex13_1.sce | 18 | ||||
| -rw-r--r-- | 3636/CH13/EX13.1/Ex13_1.txt | 13 | ||||
| -rw-r--r-- | 3636/CH13/EX13.2/Ex13_2.sce | 13 | ||||
| -rw-r--r-- | 3636/CH13/EX13.2/Ex13_2.txt | 9 | ||||
| -rw-r--r-- | 3636/CH13/EX13.3/Ex13_3.sce | 13 | ||||
| -rw-r--r-- | 3636/CH13/EX13.3/Ex13_3.txt | 4 | ||||
| -rw-r--r-- | 3636/CH13/EX13.4/Ex13_4.sce | 15 | ||||
| -rw-r--r-- | 3636/CH13/EX13.4/Ex13_4.txt | 8 |
8 files changed, 93 insertions, 0 deletions
diff --git a/3636/CH13/EX13.1/Ex13_1.sce b/3636/CH13/EX13.1/Ex13_1.sce new file mode 100644 index 000000000..c2cb39080 --- /dev/null +++ b/3636/CH13/EX13.1/Ex13_1.sce @@ -0,0 +1,18 @@ +clear;
+clc;
+l=10*10^-6 //length in m
+f=10*10^9 //frequency in Hz
+n=2*10^14 // n type doping concentration in cm^-3
+e=1.6*10^-19 //in J
+E=3200 //electric field in V/cm
+
+//Calculation
+vd=l*f //converting from m^2 to cm^2
+J=e*n*vd
+myu=-vd/E
+
+format("v",7)
+disp(vd,"Drift velocity (cms^-1)= ")
+format("v",9)
+disp(J,"current density (A/cm^2)= ")
+disp(myu,"negative electron mobility (cm^2/Vs)= ") //The answer provided in the textbook is wrong
diff --git a/3636/CH13/EX13.1/Ex13_1.txt b/3636/CH13/EX13.1/Ex13_1.txt new file mode 100644 index 000000000..f878f2157 --- /dev/null +++ b/3636/CH13/EX13.1/Ex13_1.txt @@ -0,0 +1,13 @@ +
+ Drift velocity (cms^-1)=
+
+ 1.D+07
+
+ current density (A/cm^2)=
+
+ 320
+
+ negative electron mobility (cm^2/Vs)=
+
+ - 3125
+
\ No newline at end of file diff --git a/3636/CH13/EX13.2/Ex13_2.sce b/3636/CH13/EX13.2/Ex13_2.sce new file mode 100644 index 000000000..ac81561c6 --- /dev/null +++ b/3636/CH13/EX13.2/Ex13_2.sce @@ -0,0 +1,13 @@ +clear;
+clc;
+drift_length=2*10^-4 //in cm
+drift_velocity=2*10^7 //in cm/s
+
+//Calculation
+d=drift_length/drift_velocity
+f=(drift_velocity*10^-2)/(2*drift_length*10^-2)
+
+format("v",8)
+disp(d,"Drift time (s)= ")
+disp(f,"Operating frequency (Hz)= ")
+
diff --git a/3636/CH13/EX13.2/Ex13_2.txt b/3636/CH13/EX13.2/Ex13_2.txt new file mode 100644 index 000000000..f4c051390 --- /dev/null +++ b/3636/CH13/EX13.2/Ex13_2.txt @@ -0,0 +1,9 @@ +
+ Drift time (s)=
+
+ 1.0D-11
+
+ Operating frequency (Hz)=
+
+ 5.0D+10
+
\ No newline at end of file diff --git a/3636/CH13/EX13.3/Ex13_3.sce b/3636/CH13/EX13.3/Ex13_3.sce new file mode 100644 index 000000000..205f41891 --- /dev/null +++ b/3636/CH13/EX13.3/Ex13_3.sce @@ -0,0 +1,13 @@ +clear;
+clc;
+J=20*10^3 //in kA/cm^2
+e=1.6*10^-19 //in C
+Nd=2*10^15 //in cm^-3
+
+//Calculation
+vz=J/(e*Nd)
+
+format("e",9)
+disp(vz,"avalanche-zone velocity is (cm/s)= ")
+
+
diff --git a/3636/CH13/EX13.3/Ex13_3.txt b/3636/CH13/EX13.3/Ex13_3.txt new file mode 100644 index 000000000..4a6cef9f2 --- /dev/null +++ b/3636/CH13/EX13.3/Ex13_3.txt @@ -0,0 +1,4 @@ +
+ avalanche-zone velocity is (cm/s)=
+
+ 6.25D+07
\ No newline at end of file diff --git a/3636/CH13/EX13.4/Ex13_4.sce b/3636/CH13/EX13.4/Ex13_4.sce new file mode 100644 index 000000000..6cd35382e --- /dev/null +++ b/3636/CH13/EX13.4/Ex13_4.sce @@ -0,0 +1,15 @@ +clear;
+clc;
+e=1.6*10^-19 //in eV
+Nd=2.8*10^21 // donor doping concentration in m^-3
+L=6*10^-6 //length in m
+epsilon_s=8.854*10^-12*11.8 // in F/m
+
+//Calculation
+Vbd=(e*Nd*L^2)/epsilon_s
+Ebd=Vbd/L
+
+format("v",7)
+disp(Vbd,"Breakdown voltage is (V)= ")//The answers vary due to round off error
+format("e",9)
+disp(Ebd,"Breakdown electric field is (V/m)= ")
diff --git a/3636/CH13/EX13.4/Ex13_4.txt b/3636/CH13/EX13.4/Ex13_4.txt new file mode 100644 index 000000000..7c201966e --- /dev/null +++ b/3636/CH13/EX13.4/Ex13_4.txt @@ -0,0 +1,8 @@ +
+ Breakdown voltage is (V)=
+
+ 154.37
+
+ Breakdown electric field is (V/m)=
+
+ 2.57D+07
\ No newline at end of file |