Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

dual lm3886 41hz supply?
dual lm3886 41hz supply?
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
Thread Tools Search this Thread
Old 8th September 2010, 06:43 PM   #11
Gopher is offline Gopher  United Kingdom
diyAudio Member
Join Date: Nov 2005
Location: UK
nightanole -

I assume you haven't physically wired it as you show where +ve and -ve supplies are shorted to GND or you're going to get a loud bang as your caps explode.

Assuming that's not the case, why have you linked +PGND to the -ve supply and -PGND to the +ve supply and not the other way around?

Am I missing something here?

Last edited by Gopher; 8th September 2010 at 06:46 PM.
  Reply With Quote
Old 8th September 2010, 09:48 PM   #12
nightanole is offline nightanole  United States
diyAudio Member
Join Date: Feb 2009
Try this thought. The top powersupply is a carbon copy of the bottom power supply. so the top of each power supply is positive, and the bottom of each power supply is negative. Series them together and you get 60 volts with a center tap. Connect the tops to the tops, and the bottoms to the bottoms, and you get parallel arrangement.

There really isnt a negative rail like with a regulated setup, its really just 2 30volt powersupplies thanks to the fact the center rail isnt connected on the pcb.

If you go back further you will see im really just connecting the positive posts of the caps together, and the negative posts together.
  Reply With Quote


dual lm3886 41hz supply?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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Dual supply for LM1875 split supply dovganj Power Supplies 30 6th November 2009 04:19 AM
power supply for 41hz amp6 basic bull041161 Class D 3 27th April 2009 10:44 PM
help powering 41hz amp3 and an active crossover on the same supply Nemophyle Class D 12 28th February 2007 09:59 PM
Dual lm3886 pcb wunbin47 Chip Amps 1 17th May 2005 10:50 PM
Dual CT Transformers with LM3886? blip Chip Amps 28 15th April 2005 06:55 AM

New To Site? Need Help?

All times are GMT. The time now is 04:41 AM.

Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.79%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright ©1999-2017 diyAudio