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

---
 104/CH4/EX4.9/4_9.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 104/CH4/EX4.9/4_9.sce

(limited to '104/CH4/EX4.9/4_9.sce')

diff --git a/104/CH4/EX4.9/4_9.sce b/104/CH4/EX4.9/4_9.sce
new file mode 100755
index 000000000..23b72d3a4
--- /dev/null
+++ b/104/CH4/EX4.9/4_9.sce
@@ -0,0 +1,16 @@
+//incremental encoder
+//2 sinusoidal signals
+//generates four zero crossings per cycle(zc)
+//printwheel has 96 characters on its pheriphery(ch) and encoder has 480 cycles(cyc)
+zc=4    
+ch=96
+cyc=480
+zcpr=cyc*zc  //zero crossings per revolution
+disp(zcpr,"zero_crossings_per_revolution=")
+zcpc=zcpr/ch //zreo crossings per character
+disp(zcpc,"zero_crossings_per_character=")
+//500khz clock is used
+//500 pulses/zero crossing
+shaft_speed=500000/500
+x=shaft_speed/zcpr
+disp(x,"ans=")   //in rev per sec
-- 
cgit