Help Class D Class D Class D - diyAudio
Go Back   Home > Forums > Amplifiers > Class D

Class D Switching Power Amplifiers and Power D/A conversion

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 21st February 2004, 08:47 PM   #1
diyAudio Member
 
Join Date: Jan 2004
Location: Romania
Send a message via Yahoo to sorinsistem
Default Help Class D Class D Class D

please help me with a big problem

can you give me schematics or any links looking class D
amplifiers.

i want if is posibile with clasical schematics and with
clasical components like Zappulse

or any information class d amplifier schematics and
project .

thank you !

sorinsistem@email.ro
www.c-s.dap.ro

__________________
PERFECT SOUND
  Reply With Quote
Old 22nd February 2004, 05:34 PM   #2
IVX is offline IVX  Russian Federation
diyAudio Member
 
IVX's Avatar
 
Join Date: Jul 2003
Location: Everywhere (Buddhist's context)
hi,
try search at first- "class+D"
__________________
Best regards,
E1.
  Reply With Quote
Old 23rd February 2004, 01:28 AM   #3
bknauss is offline bknauss  United States
diyAudio Member
 
Join Date: Jul 2002
Location: Gaithersburg, MD
Send a message via AIM to bknauss
International Rectifier has an excellent tutorial on building a Class D amp. It goes through all of the design considerations among other things.

Go to www.irf.com and follow "audio", and then go to the tutorial.
  Reply With Quote
Old 23rd February 2004, 02:48 AM   #4
mwh-eng is offline mwh-eng  United States
diyAudio Member
 
Join Date: Feb 2004
Location: Livingston, Montana
Check out www.ti.com and click the audio link.

How much power do you need? How much bandwidth? Operating from AC or DC source?

Your requirements or specifications will dictate the specific design. Getting your hands on just any Class D amplifier schematic will only work if you are extremely lucky.

At high power levels, just dealing with switching noise is a challenge.

Good Luck
  Reply With Quote
Old 23rd February 2004, 03:10 PM   #5
sfx is offline sfx  Germany
diyAudio Member
 
Join Date: Feb 2004
Location: Australia
Hi,

just finished mine today - discrete devices: Quad Opamp, Dual Comparator, 2 IR2112 MOSFET drivers, 4 BUZ11 (full bridge for unipolar power supply), 4 torodial chokes, a few capacitors and resistors, that's it. Smaller than the palm of my hand, and build on veroboard. It follows the BCA (Class-I) principle (patented by crown audio).
There is another thread here, where Circlotron posted some schematics and info on his Amp, which helped me a lot. My tests today were quite successful.
I can send some schematics, as soon as I have drawn them *g*.

Cheers

Felix
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
1500W RMS Class D PCB - which Class D Driver Chip is it ? mosfetsound Class D 11 1st April 2011 11:17 AM
Can a Class AB PP amp be said to be operating in Class A at low signal levels? ray_moth Tubes / Valves 19 23rd January 2009 07:52 PM
How about a round-up of Class A kit power amps, or collectable vintage class A? Brisso57 Solid State 4 14th February 2007 10:30 AM


New To Site? Need Help?

All times are GMT. The time now is 12:55 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2