Dac with external clock how and why?? - diyAudio
Go Back   Home > Forums > Source & Line > Digital Source

Digital Source Digital Players and Recorders: CD , SACD , Tape, Memory Card, etc.

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 8th August 2005, 06:13 PM   #1
diyAudio Member
 
Join Date: Dec 2004
Location: Denmark
Default Dac with external clock how and why??

Hello

I have seen different ways in making a Dac with and without external clocks!!

1. Example no clock is used. What settings determine clock speed the dac runs in this schematic?? (Lars Nielsen Dac)

And how do Lars avoid jitter in such a design and get a good sound quality?

2. How can I connect an High quality external clock in this schematic?

http://www.diyhifi.dk/DA_A1.pdf

3. How with external clock connections If i change CS8414 with CS8416??

Thanks to all

Kim
  Reply With Quote
Old 8th August 2005, 09:30 PM   #2
diyAudio Member
 
Join Date: Oct 2001
Location: .
Default Re: Dac with external clock how and why??

Quote:
Originally posted by kimschips
Hello
I have seen different ways in making a Dac with and without external clocks!!

1. Example no clock is used. What settings determine clock speed the dac runs in this schematic?? (Lars Nielsen Dac)
The clock embedded in the SPDIF datastream.

Quote:

And how do Lars avoid jitter in such a design and get a good sound quality?
He doesn't do anything out of the ordinary. The digital aspect of the design is as simple as is possible with chosen devices.

Quote:

2. How can I connect an High quality external clock in this schematic?

http://www.diyhifi.dk/DA_A1.pdf

3. How with external clock connections If i change CS8414 with CS8416??

Thanks to all

Kim
The setting of the modes aside, you would do the same with the CS8416 as you would with the CS8414. You would put the CS841x in slave mode and derive SCKI, SCLK/BCK and FSYNC/LRCK from your clock module. For more detail, search the forum using the term slave mode.
  Reply With Quote
Old 9th August 2005, 05:30 AM   #3
diyAudio Member
 
Join Date: Dec 2004
Location: Denmark
Helloo.

Thank you for your reply.

You tell me that you just do the same with cs8416 as with cs8416.
But CS8416 is a little bit different it has a connection OMCK
And CS8414 has one called FCK. FCK can be clocked with a 6.144Mhz clock -> I think cs8414 uses that leg to determine samplingfrequensies

Kim¨
  Reply With Quote
Old 9th August 2005, 10:19 AM   #4
diyAudio Member
 
Join Date: Oct 2001
Location: .
Quote:
Originally posted by kimschips
Helloo.

Thank you for your reply.

You tell me that you just do the same with cs8416 as with cs8416.
But CS8416 is a little bit different it has a connection OMCK

OMCK is there for systems that do not mute on loss of signal or require clock continuity for some other reason.


Quote:


And CS8414 has one called FCK. FCK can be clocked with a 6.144Mhz clock -> I think cs8414 uses that leg to determine samplingfrequensies

Kim¨
I really think you should re-read the datasheet.
  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
SPDIF receiver with external clock SM7UYJ Digital Line Level 24 11th May 2009 10:27 PM
Help for connecting external clock to a DAC thomaseliot Digital Source 1 12th April 2007 07:28 PM
Add external Clock to CS8414 hktcm Digital Source 5 12th October 2006 12:04 PM
External clock to CD-PRO2 kenev Digital Source 59 5th October 2005 08:58 PM
External Clock Signal - HOW? cartman Digital Source 1 9th June 2005 01:06 PM


New To Site? Need Help?

All times are GMT. The time now is 05:53 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