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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /181/CH7/EX7.35 | |
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initial commit / add all books
Diffstat (limited to '181/CH7/EX7.35')
| -rwxr-xr-x | 181/CH7/EX7.35/example7_35.sce | 34 | ||||
| -rwxr-xr-x | 181/CH7/EX7.35/example7_35.txt | 5 |
2 files changed, 39 insertions, 0 deletions
diff --git a/181/CH7/EX7.35/example7_35.sce b/181/CH7/EX7.35/example7_35.sce new file mode 100755 index 000000000..d8c01fc68 --- /dev/null +++ b/181/CH7/EX7.35/example7_35.sce @@ -0,0 +1,34 @@ +// Find values of R2,Vdd,Vds
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 7-35 in page 338
+
+clear; clc; close;
+
+// Given data
+Vp=-5; // Pinch off voltage in V
+Idss=12*10^-3; // Drain-source current in mA
+Vdd=18; // Drain voltage in V
+Rs=2*10^3; // Source resistance in K-ohms
+Rd=2*10^3; // Drain resistance in K-ohms
+R2=90*10^3; // Original value of R2 in K-ohms
+
+// Calculation
+Vgs1=(-5.3+sqrt(5.3^2-(4*0.48*10.35)))/(2*0.48);
+Vgs2=(-5.3-sqrt(5.3^2-(4*0.48*10.35)))/(2*0.48);
+printf("Vgs = %0.2f V or %0.2f V\nTherefore Vgs = -2.53 V\n",Vgs1,Vgs2);
+Id=(3.306-Vgs2)/2;
+Vds=18-(Id*Rd)-(Id*Rs);
+r2=(13.47*400)/4.53;
+vdd=((16-2.53)*(400+90))/90;
+vds=vdd-16-16;
+printf("(a)The new value of R2 is %0.1f K-ohm\n",r2);
+printf("(b)The new value of Vdd = %0.2f V\n",vdd);
+printf("(c)The new value of Vds = %0.2f V",vds);
+
+// Result
+// (a) R2 = 1189.4 K-ohm
+// (b) Vdd = 73.34 V
+// (c) Vds = 41.34 V
\ No newline at end of file diff --git a/181/CH7/EX7.35/example7_35.txt b/181/CH7/EX7.35/example7_35.txt new file mode 100755 index 000000000..b54b22778 --- /dev/null +++ b/181/CH7/EX7.35/example7_35.txt @@ -0,0 +1,5 @@ + Vgs = -2.53 V or -8.51 V
+Therefore Vgs = -2.53 V
+(a)The new value of R2 is 1189.4 K-ohm
+(b)The new value of Vdd = 73.34 V
+(c)The new value of Vds = 41.34 V
\ No newline at end of file |