CE Home
Register
Today's Posts
Quick Links
Register
FAQ
Members List
Calendar
CrazyEngineers Forum
Navigation
Go Back   CrazyEngineers Forum > CE : Technical Discussions > Electrical & Electronics Engineering
Reload this Page USB and RGB
Notices
Tata Nano Chief Deisnger - Mr. Girish Wagh

Realizing the big 'Small Car' dream

We are extremely proud and happy to have Mr. Girish Wagh - the chief designer of TATA NANO who led the team of 500 engineers at TATA Motors to realize the big 'Small Car' dream. Click to read our Small Talk with Mr. Girish Wagh



Advertisements
Reply
 
LinkBack Thread Tools Display Modes

  #1 (permalink)
Old 25th June 2008, 11:42 AM
CE - Regular Member
 
balaseven's Avatar
 
Join Date: 5th November 2007
Location: 384,403 Km from Moon
I'm a Crazy Electronics Engineer
Posts: 54
Default USB and RGB
Hi folks

I need the answer for question below.

Why we have to maintain 90 ohm impedance for USB signals and 75 ohm impedance for RGB(video) signals?


Expect the answer related to Printed circuit board technology.
__________________
Thanks
PoiseB
http://pcb.mybb3.org/
balaseven is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!
Reply With Quote

  #2 (permalink)
Old 26th June 2008, 06:02 PM
CE - Addict
 
sauravgoswami's Avatar
 
Join Date: 26th February 2008
Location: India
I'm a Crazy Electronics Engineer
Posts: 498
Send a message via Yahoo to sauravgoswami
Default Re: USB and RGB
Dude,it all depends on Cable or device connected to USB,due to high-signalling rate impedance of cable or device is generally kept at 90ohms,anyhow the range is from 70ohms to 110ohms,similarly with RGB.
__________________
Be HaPpY !!!!
sauravgoswami is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!
Reply With Quote
  #3 (permalink)
Old 26th June 2008, 09:57 PM
CE - Regular Member
 
balaseven's Avatar
 
Join Date: 5th November 2007
Location: 384,403 Km from Moon
I'm a Crazy Electronics Engineer
Posts: 54
Default Re: USB and RGB
why cannot we transmit/receive USB signals through 100 ohm twisted pair cable.smae to RGB.?
__________________
Thanks
PoiseB
http://pcb.mybb3.org/
balaseven is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!
Reply With Quote
Reply

« Previous Thread | Next Thread »
Thread Tools
Display Modes
Linear Mode Linear Mode

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 On
Pingbacks are On
Refbacks are On


All times are GMT +5.5. The time now is 07:34 PM.
Powered by vBulletin® Version 3.7.4
Copyright ©2000 - 2008, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO 3.2.0
Member comments are owned by the poster. Copyright © 2005-2008 CrazyEngineers.com. All rights reserved.

Advertisements
Top
 Contact Us - Home - Impressum
Webdesign by: vbdesigns.de
Impressum -
Top