How to build a dc+/dc- power supply
Electronics Forum Index Electronics
Circuits, theory, electrons and discussions.
 
 FAQFAQ   MemberlistMemberlist     RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 
 
Google
 
Web ElectronicsHelp.net
How to build a dc+/dc- power supply

 
Post new topic   Reply to topic    Electronics Forum Index -> Electronics General
Author Message
Peter F



Joined: 10 Dec 2005
Posts: 4
Posted: Wed Dec 14, 2005 8:17 am    Post subject: How to build a dc+/dc- power supply Reply with quote
I need 15v+/15v- to run a preamp.
How do I do it ?

Back to top
View user's profile Send private message
neon



Joined: 25 Feb 2006
Posts: 594
Posted: Sat Feb 25, 2006 1:32 pm    Post subject: Reply with quote
start by buyng a +- 20v tranformer center tap [amps?] then put some diode to rectify the ac the center tap is gnd put some lm317 regulators or lm7815 and that get you there. more help coming........
Back to top
View user's profile Send private message Send e-mail
mike66



Joined: 03 May 2006
Posts: 3
Posted: Wed May 03, 2006 1:44 pm    Post subject: Reply with quote
Try the following schematics from the following site.

http://www.electronics-project-design.com/DualPowerSupply.html

Back to top
View user's profile Send private message
neon



Joined: 25 Feb 2006
Posts: 594
Posted: Tue Jun 27, 2006 3:41 pm    Post subject: Reply with quote
Peter f there is now a chip LM26000 from national semi that i like one chip easy to use look it up.
Back to top
View user's profile Send private message Send e-mail
 
Post new topic   Reply to topic    Electronics Forum Index -> Electronics General All times are GMT
Page 1 of 1

 
 You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum



Home & Living New Topics
Contact Us
Powered by phpBB