Go Back   Home > Forums > Amplifiers > Solid State
Home Forums Articles Links Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Solid State Talk all about solid state amplification.

We're saving for a new server - help us to serve you by Donating Today and become a friend with benefits!

Ads on/off / Custom Title / 2009 Tshirt / More PMs / Bigger Images / Advanced printing
Reply
 
Thread Tools
Old 23rd April 2007, 01:30 AM   #1
diyAudio Member
 
Elias Novaes's Avatar
 
Join Date: Jul 2005
Location: São Paulo/brasil
Default Audio coupling signal with ground isolated

Friends, which the best solution to connect signals of audio to ground isolated… ja I made with transformer with satisfactory result! it would like opinion for other forms of coupling that function with frequencia of 10HZ up to ones 80khz… will be grateful to that they will be able to help me.

thanks.
__________________
Elias Novaes
audio designer
São Paulo / Brasil
  Reply With Quote
Old 23rd April 2007, 02:41 AM   #2
Leolabs is offline Leolabs  
diyAudio Member
 
Leolabs's Avatar
 
Join Date: Dec 2004
Location: Bukit Mertajam
Send a message via MSN to Leolabs
What's the transformer's purpose???Signal coupling???
  Reply With Quote
Old 23rd April 2007, 03:42 AM   #3
diyAudio Member
 
Elias Novaes's Avatar
 
Join Date: Jul 2005
Location: São Paulo/brasil
Quote:
Originally posted by Leolabs
What's the transformer's purpose???Signal coupling???

not , to isolate the signal of the audio one ... the input circuit has that to have groud isolated of the following circuit ....
__________________
Elias Novaes
audio designer
São Paulo / Brasil
  Reply With Quote
Old 23rd April 2007, 05:24 PM   #4
diyAudio Member
 
Elias Novaes's Avatar
 
Join Date: Jul 2005
Location: São Paulo/brasil
Friends, see drawing of the current system who I am using to isolate gnd of the audio signal ... liked to know other forms ...

thanks .
Attached Images
File Type: jpg g8psmode.jpg (52.1 KB, 141 views)
__________________
Elias Novaes
audio designer
São Paulo / Brasil
  Reply With Quote
Old 23rd April 2007, 08:20 PM   #5
diyAudio Member
 
destroyer X's Avatar
 
Join Date: Feb 2004
Location: Recife-Brasil Northeast
Send a message via MSN to destroyer X
Default We need more details....unless i need them

Não tá claro o que tu queres amigo.

Desbloqueie teu E mail, não consegui mandar nada via forum..isso você regula lá nos profáiles da vida...no user cp.

Not clear enough what you want, please unblock your mail to forum users.

More details to me, please.

regards,

Carlos
__________________
Christmas gift from forum friends:
http://www.youtube.com/watch?v=NcoQmtrlA6A
  Reply With Quote
Old 27th April 2007, 12:05 AM   #6
diyAudio Member
 
Elias Novaes's Avatar
 
Join Date: Jul 2005
Location: São Paulo/brasil
UP ....
__________________
Elias Novaes
audio designer
São Paulo / Brasil
  Reply With Quote
Old 27th April 2007, 02:31 AM   #7
Eva is offline Eva  
diyAudio Member
 
Eva's Avatar
 
Join Date: Oct 2003
Location: Near the sea
Send a message via MSN to Eva
Check precision linear optocouplers with feedback like HCNR-200

http://www.avagotech.com/productDeta...5,C5011,P88938
__________________
I use to feel like the small child in The Emperor's New Clothes tale
  Reply With Quote

Reply


Hide this!Advertise here!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

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
Checking that transistors are isolated from ground pjpoes Parts 6 27th June 2007 12:36 PM
Isolated Ground ak_47_boy Parts 4 24th June 2007 02:51 AM
~14 VDC between chassis ground and signal ground... StalfoS Chip Amps 3 5th May 2007 09:26 PM
Isolated ground GFCI pooge Parts 0 12th October 2004 09:58 PM
Should I directly connect my signal ground to chassis ground? Bricolo Solid State 3 28th February 2003 06:31 PM


New To Site? Need Help?

All times are GMT. The time now is 09:22 PM.

Page generated in 0.33984804 seconds (36.97% PHP - 63.03% MySQL) with 11 queries

Copyright ©1999-2009 diyAudio