From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 181/CH7/EX7.35/example7_35.sce | 34 ++++++++++++++++++++++++++++++++++
 181/CH7/EX7.35/example7_35.txt |  5 +++++
 2 files changed, 39 insertions(+)
 create mode 100755 181/CH7/EX7.35/example7_35.sce
 create mode 100755 181/CH7/EX7.35/example7_35.txt

(limited to '181/CH7/EX7.35')

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
-- 
cgit