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Diffstat (limited to '3281/CH5/EX5.17/ex5_17.sce')
| -rwxr-xr-x | 3281/CH5/EX5.17/ex5_17.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3281/CH5/EX5.17/ex5_17.sce b/3281/CH5/EX5.17/ex5_17.sce new file mode 100755 index 000000000..4762a4233 --- /dev/null +++ b/3281/CH5/EX5.17/ex5_17.sce @@ -0,0 +1,18 @@ +//Page Number: 301
+//Example 5.17
+clc;
+//Given
+f=10D+9;//hz
+v0=300;//V
+j0=0.3;//A/cm
+i0=45D-3;//A
+
+rb=sqrt(i0/(%pi*j0));//mm
+disp('mm',rb*10,'Electron beam radius:');
+r=rb*(120/100);//mm
+disp('mm',r*10,'Radius of cathode disc:');
+d=sqrt(2.335D-6*(300)^(3/2)/j0);//mm
+disp('mm',d*10,'Cathode anode spacing:');
+//Anode hole has to be 15% larger than cathode disc
+ra=r*1.15;//mm
+disp('mm',ra*10,'Anode hole:');
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