Tags:
view all tags
%SLIDESHOWSTART% ---+ Digital to Analogue Conversion: the mcp4275 <h2 align="center">Lecture 10<br /><br />Uli Raich<br /><br />UCC semester 2017/2018</h2> ---++ ---+ Analogue versus digital Up to now we only treated digital signals: * on/off for the LEDs * on/off to read the LED state * Powering or not powering coils to generate magnetic fields in a stepping motor However:<br />The world is mostly analogue: * Temperatures are changing continuously and not in steps * Pressure is an analogue value * Distance, time, current, resistance … are all analogue values ---++ ---+ Converting from digital to analogue Since our computer is a digital device we must * Convert digital values to analogue voltage levels<br />Digital to Analogue Conversion (DAC) * … and we must convert external analogue values to digital<br />Analogue to Digital Conversion (ADC) ---++ ---+ Digital to analogue conversion A digital to analogue converter does not really convert into a continuous waveform<br />Since we have digital values as a base, there will be steps in the output waveform<br />The size of these steps depends on the resolution of the DAC<br />What is the smallest step a 12 bit DAC can produce on a 0..5V scale? %SLIDESHOWEND% -- %USERSIG{UliRaich - 2017-10-31}% ---++ Comments %COMMENT%
Edit
|
Attach
|
Watch
|
P
rint version
|
H
istory
:
r6
|
r4
<
r3
<
r2
<
r1
|
B
acklinks
|
V
iew topic
|
Raw edit
|
More topic actions...
Topic revision: r1 - 2017-10-31
-
uli
Home
Site map
AFNOG web
Embedded_Systems web
IoT_Course_English web
IoT_Course_French web
Main web
Sandbox web
TWiki web
Embedded_Systems Web
Create New Topic
Index
Search
Changes
Notifications
RSS Feed
Statistics
Preferences
P
View
Raw View
Print version
Find backlinks
History
More topic actions
Edit
Raw edit
Attach file or image
Edit topic preference settings
Set new parent
More topic actions
Account
Log In
Register User
Edit
Attach
Copyright © 2008-2024 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki?
Send feedback