BALANCED LINE DRIVER,PCB layout share - Page 4 - 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 12th November 2004, 06:18 PM   #31
cjd is offline cjd  United States
diyAudio Member
 
Join Date: Jun 2004
Location: Windy City
I assume (perhaps wrongly) this can also be used to connect to Pro gear that only accepts XLR inputs? This is an area in which I (perhaps very obviously) have just about no experience or knowledge.

Also, the optional resistors are for what? Or does that end up being the feed for the ground wire on an XLR...

It's always fun when I discover just how little I know and understand. More fun when folks are nice enough to answer.

C
  Reply With Quote
Old 12th November 2004, 06:45 PM   #32
diyAudio Member
 
Join Date: Nov 2004
Location: Texas
digi forgot to ask, how much did you pay for it (the chassis)?

even with all the searching of this forum i still cant find the answers to somestuff.
__________________
"I Love To Camp!"
"Comensing Shock Therapy!"
  Reply With Quote
Old 12th November 2004, 08:46 PM   #33
markp is offline markp  United States
diyAudio Member
 
Join Date: Oct 2003
Location: L.A., CA
Quote:
Originally posted by cjd
I assume (perhaps wrongly) this can also be used to connect to Pro gear that only accepts XLR inputs? This is an area in which I (perhaps very obviously) have just about no experience or knowledge.

Also, the optional resistors are for what? Or does that end up being the feed for the ground wire on an XLR...

It's always fun when I discover just how little I know and understand. More fun when folks are nice enough to answer.

C
Frequently, cheaper 'pro' gear has xlr inputs that are not really balanced inputs but just use the 'hi' and ground. XLR is the pro standard as it should be a true balanced input to reject as much environmental noise as possible. And, yes you can use the circuit for pro gear with true balanced inputs.
__________________
If it sounds good... it is good!
  Reply With Quote
Old 13th November 2004, 02:00 AM   #34
jleaman is offline jleaman  Belgium
Banned
 
Join Date: Apr 2002
Send a message via AIM to jleaman
Quote:
Originally posted by digi01
rabstg,
I am doing test now.I am interested in its drive performance and commonability.
If anyone is interested,it will be available asap

soldering,



Are these boards your design ? Can i buy some ?
Attached Images
File Type: jpg drv134bld.jpg (49.3 KB, 2864 views)
  Reply With Quote
Old 13th November 2004, 02:09 AM   #35
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
for Evilsizer,
the chassis is 150RMB($18USD).

for JasonL,
the board is available now.
group order threads here

here is the wiki page,ROUND 2

enjoys
  Reply With Quote
Old 13th November 2004, 03:41 AM   #36
diyAudio Member
 
Join Date: Nov 2004
Location: Texas
YAY! How did they work out with BrianGT's amps?

Havent found the answer to this so here it is. Would i also need to use one of these if i were to parallel your 3886 boards?

edit: went back and read on post on the other page about using it for paralled(or suggested use) but im still kinda confused. i thought you would only need it for a brigded amp not paralled as you are only increasing the current of the amp(s) to the drivers.
__________________
"I Love To Camp!"
"Comensing Shock Therapy!"
  Reply With Quote
Old 13th November 2004, 06:33 AM   #37
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
Quote:
Originally posted by Evilsizer
YAY! How did they work out with BrianGT's amps?

Havent found the answer to this so here it is. Would i also need to use one of these if i were to parallel your 3886 boards?

edit: went back and read on post on the other page about using it for paralled(or suggested use) but im still kinda confused. i thought you would only need it for a brigded amp not paralled as you are only increasing the current of the amp(s) to the drivers.

the BLD is a unbalance to balance module,the purpose is used for connect two single amp in bridge.the two single amplifiers,can be an integrated stereo amplifier,it can be a pair of dual mono amplifiers too.
Because drv134 has certain output ability,it is beneficial to each half bridges of parallel connections.

I am still waiting for the PCB parcel of BrianGT's to arrived, it is still on the way.

digi
  Reply With Quote
Old 13th November 2004, 07:39 AM   #38
diyAudio Member
 
Join Date: Nov 2004
Location: Texas
ok now got it. I would need three of these to parallel two sets of lm3886's and then bridge the two paralled.

thanks in advance
__________________
"I Love To Camp!"
"Comensing Shock Therapy!"
  Reply With Quote
Old 13th November 2004, 10:18 AM   #39
diyAudio Member
 
Join Date: Mar 2001
Location: Brazil
Quote:
Originally posted by digi01

the BLD is a unbalance to balance module,the purpose is used for connect two single amp in bridge.

What schematics are you using for it? Did you already try it on an actual bridge with your 3886 modules?


Carlos
  Reply With Quote
Old 13th November 2004, 12:29 PM   #40
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
this is the sch file:
http://www.diyaudio.com/forums/showt...571#post494571
I have work on it for my 3886igc in skeleton building.its fine
Now,I am setting up all parts in the chassis.I think that clean and compact assembly can obtain better performance.
  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
is DRV134 the best balanced line driver? anli Chip Amps 4 13th December 2004 05:55 PM
Balanced Line Driver Jerry Parker Everything Else 1 1st April 2003 05:32 PM


New To Site? Need Help?

All times are GMT. The time now is 12:32 AM.


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