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

---
 1757/CH9/EX9.4/EX9_4.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 1757/CH9/EX9.4/EX9_4.sce

(limited to '1757/CH9/EX9.4/EX9_4.sce')

diff --git a/1757/CH9/EX9.4/EX9_4.sce b/1757/CH9/EX9.4/EX9_4.sce
new file mode 100755
index 000000000..c69a7d36d
--- /dev/null
+++ b/1757/CH9/EX9.4/EX9_4.sce
@@ -0,0 +1,24 @@
+//Example9.4   // to determine the output frequency capacitor charging time of VCO
+clc;
+clear;
+close;
+Vcc = 12 ;
+Vcs = 6
+R = 10 ; // K ohm
+C = 1 ; // uF
+
+// the current through the control resistor R
+i =(Vcc-Vcs)/R ;
+disp('The current through the control resistor R is = '+string(i)+ ' mA ');
+
+// The charging time of capacitor 
+t = (0.25*Vcc*C)/i ;
+disp('The charging time of capacitor is = '+string(t)+ ' msec ');
+
+// In VCO the capacitor charging and discharging time period are equal ,so the total time period of tringular and square wave forms can be written as 2*t ;
+t = ((0.5*Vcc*C)/i);
+disp('The total time period of tringular and square wave is = '+string(t)+ ' msec ');
+
+// the output frequency of VCO is
+fo = 1/t ;
+disp('The output frequency of VCO is = '+string(fo)+ ' KHz ');
-- 
cgit