transformer with ct or non ct? - diyAudio
Go Back   Home > Forums > Amplifiers > Chip Amps

Chip Amps Amplifiers based on integrated circuits

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 2nd December 2009, 05:11 PM   #1
galih is offline galih  Indonesia
diyAudio Member
 
galih's Avatar
 
Join Date: Nov 2009
Location: yogyakarta
Smile transformer with ct or non ct?

hello guys...!
I am newbie here and I would like to ask something about transformer.
which is better, transformer with or without ct, and why?
I will use that transformer to build power supply based on the schematic by carlos fm for my gainclone lm3886. the power supply will be non regulated one.
please give me some advice!
thanx before...
  Reply With Quote
Old 2nd December 2009, 08:18 PM   #2
diyAudio Member
 
Juergen Knoop's Avatar
 
Join Date: Jan 2007
Blog Entries: 3
whatever the transformer is centertapped or has dual secondaries doesn't matter.
Please avoid transformers that have only secondary winding and no centertap.
Regards
  Reply With Quote
Old 4th December 2009, 05:26 PM   #3
galih is offline galih  Indonesia
diyAudio Member
 
galih's Avatar
 
Join Date: Nov 2009
Location: yogyakarta
can I use centertapped transformer to act as a non centertapped one?
how can I get 0-24V with centertapped transformer that has 24-ct-24?
is the transformer that has dual secondaries(0-24, 0-24) same as two non centertapped one(0-24), note :both has same VA ratings?
  Reply With Quote
Old 5th December 2009, 12:09 PM   #4
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
do you need a dual polarity DC supply for your circuit?
__________________
regards Andrew T.
  Reply With Quote
Old 5th December 2009, 04:11 PM   #5
galih is offline galih  Indonesia
diyAudio Member
 
galih's Avatar
 
Join Date: Nov 2009
Location: yogyakarta
yes, I do need dual polarity dc supply with two transformer, but I can not decide whether centertapped transformer or not I should use? it is hard to find transformer with dual secondary in indonesia.
  Reply With Quote
Old 5th December 2009, 04:39 PM   #6
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
Quote:
Originally Posted by galih View Post
yes, I do need dual polarity dc supply with two transformer, but I can not decide whether centertapped transformer or not I should use? it is hard to find transformer with dual secondary in indonesia.
Hi,
you can make a dual polarity supply from one transformer. It must be either a centre tapped or a dual secondary.

The dual secondary can be converted to a centre tapped by linking the two secondary windings together.
__________________
regards Andrew T.
  Reply With Quote
Old 7th December 2009, 05:04 PM   #7
galih is offline galih  Indonesia
diyAudio Member
 
galih's Avatar
 
Join Date: Nov 2009
Location: yogyakarta
andrew, I can understand that, but what's in my mind is how can I make 24-ct-24 with two separated transformer if the transformer is 5A ct? the secondary voltage is 12-ct-12 each transformer. thanx.
  Reply With Quote
Old 7th December 2009, 05:08 PM   #8
Did it Himself
diyAudio Member
 
richie00boy's Avatar
 
Join Date: Nov 2003
Location: Gloucestershire, England, UK
Connect the two transformers together in series. The join between them becomes your centre tap ground.
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more.
  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
Using mains transformer as output transformer Elias Tubes / Valves 176 11th March 2013 09:35 PM
Modulation transformer for a driver transformer? ironradio Tubes / Valves 6 28th December 2008 05:05 PM
filament transformer vs plate transformer contaxchen Tubes / Valves 10 14th January 2005 10:43 AM
toroid Transformer as power Transformer for tube tone Tubes / Valves 7 11th February 2003 08:57 AM
toroid Transformer as output Transformer for tube preamp? tone Tubes / Valves 15 2nd February 2003 04:36 AM


New To Site? Need Help?

All times are GMT. The time now is 01:09 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