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Old 20th August 2013, 04:15 AM   #721
deanoUK is offline deanoUK  United Kingdom
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Quote:
Originally Posted by Lil Knight View Post
Will it still be compatible with Owen's NTD1?
I can see no problem apart from the length of wires connecting between them.
Physical layout - Analogue Domain.

Last edited by deanoUK; 20th August 2013 at 04:17 AM.
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Old 20th August 2013, 08:01 AM   #722
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That would be great. I prefer an all integrated system, rather than a boatload of daughter boards and wires.
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Old 16th September 2013, 10:52 AM   #723
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Yes, I am trying to see if Zero DPLL_BW lock can be achieved by this tighter integration. Obviously there will be no more interconnect signal/clock cables and capacitance to worry about... Amanero's flexibility makes it the best choice for Full Sync mode but other transports could also be used and inputs will be provided.

Sync frequencies are 98.304/90.3168MHz from possibly a custom build XO module this time for further enhancement.

Digital section will all be fully assembled and tested. Options for power supplies of choice and final build (space permitting) could include on-board controller and digital Volume.
Acko, do you have any news / test reports / anything that will brighten our days about ES9018K2M board ?
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Old 20th October 2013, 08:51 PM   #724
AR2 is offline AR2  United States
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Hello Acko,


I have been enjoying tremendously your DAC that works without a glitch since I completed it. It sounds outstanding.

As you know through my email, I am trying to make the second project where, unlike in the first one I did, I will try to complete 4 channels of digital crossover. With the first one I decided on digital front and analog crossover. With this project I would like to achieve full 4 channel digital crossover.

I am planning to use Titan LightHarmonics multichannel USB to I2S board with two of yours ESS9012 DACs. I was looking and reading about your turbo clock, and would like to know if I could use that to provide master clock to all units, including Titan and achieve synchronized operation. Titan board is capable operating in slave mode, but will not automatically change its sampling rate to a given signal. It does that in master mode but in slave mode it needs that info given from outside. I am assuming / hoping Turbo Clock will do that? Is there possibility for turbo clock to send MCK to three places: two DACs ( possibly inverted MCK) and to the Titan Board?

I have few other units, between them your buffered clock board that can provide 4 MCKs out, but I do not think that will do what is needed. I also have Ian's SI570 board, but I am also not sure it will do all that ether. Please let me know.

Thanks

Vladimir
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Old 24th October 2013, 05:35 AM   #725
AR2 is offline AR2  United States
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Originally Posted by qusp View Post
can the MCU be used for this function with only a firmware upgrade? would it be able to use its usb connection to sense these changes? titan is able to send these cues



so looks like i'm covered, i can already use titan for master, but clock distribution is causing me some problems

you can get sample quantities of the NDK at ch1pstop.com but they need several weeks to fulfil the order. at least thats how i understand it
Quote:
Originally Posted by AR2 View Post
I am planning to use Titan LightHarmonics multichannel USB to I2S board with two of yours ESS9012 DACs. I was looking and reading about your turbo clock, and would like to know if I could use that to provide master clock to all units, including Titan and achieve synchronized operation. Titan board is capable operating in slave mode, but will not automatically change its sampling rate to a given signal. It does that in master mode but in slave mode it needs that info given from outside. I am assuming / hoping Turbo Clock will do that? Is there possibility for turbo clock to send MCK to three places: two DACs ( possibly inverted MCK) and to the Titan Board?

I have few other units, between them your buffered clock board that can provide 4 MCKs out, but I do not think that will do what is needed. I also have Ian's SI570 board, but I am also not sure it will do all that ether. Please let me know.

Thanks

Vladimir
Qusp already asked this question many months before me, so here it is again, as it is explained in a better way. We have the same board, so it would be the same solution. If I could make this question more clear.
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Old 24th October 2013, 05:50 AM   #726
acko is offline acko  Australia
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Default Turbo Clock - Titan USB

Looks like it is possible to drive the Titan board and 2 DACs with this Turbo Clock. MCLK can be inverted. Would you mind sending me the datasheet or manual for the Titan to confirm this.
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Old 24th October 2013, 06:11 AM   #727
AR2 is offline AR2  United States
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Originally Posted by acko View Post
Looks like it is possible to drive the Titan board and 2 DACs with this Turbo Clock. MCLK can be inverted. Would you mind sending me the datasheet or manual for the Titan to confirm this.
Absolutely!!! On the way..... Sent.
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Last edited by AR2; 24th October 2013 at 06:15 AM.
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Old 25th October 2013, 09:37 AM   #728
acko is offline acko  Australia
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Thanks AR2,

I have checked the details and as long as you have the slave version of Titan USB, it can be driven by the Turbo Clock AKX701. So, yes, two DACs and the Titan can be controlled this way. The CKSEL line from Titan determines which of the two XOs on AKX701 are active as required by its processing unit.

Re: AKX701. The MCK to DACs will be 98.304MHz or 90.3168MHz and the corresponding SCLK to Titan will be 49.152MHz or 45.1584MHz as selected. Essentially puts the DAC into Synchronous Clocking mode. Concept is similar to what has been done with the Amanero and you should get the same benefits. Keep interconnection of the clock lines as short as possible

BTW, Titan was my preferred transport at that time but without any further oem or diy version it dropped out of sight. Take care of the unit you have now
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Old 25th October 2013, 11:10 PM   #729
AR2 is offline AR2  United States
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Originally Posted by acko View Post
Thanks AR2,

I have checked the details and as long as you have the slave version of Titan USB, it can be driven by the Turbo Clock AKX701. So, yes, two DACs and the Titan can be controlled this way. The CKSEL line from Titan determines which of the two XOs on AKX701 are active as required by its processing unit.

Re: AKX701. The MCK to DACs will be 98.304MHz or 90.3168MHz and the corresponding SCLK to Titan will be 49.152MHz or 45.1584MHz as selected. Essentially puts the DAC into Synchronous Clocking mode. Concept is similar to what has been done with the Amanero and you should get the same benefits. Keep interconnection of the clock lines as short as possible

BTW, Titan was my preferred transport at that time but without any further oem or diy version it dropped out of sight. Take care of the unit you have now

BINGO!
Thank you Acko, you are one of a kind!
This is outstanding. Yes, this is exactly I was hoping to achieve. It is crystal clear that TITAN has to be in the slave mode. Larry Ho from LightHarmonics is extremely helpful when it comes to support with his product. All I need to do is send the board to him and they will change the configuration. Last time I was hoping to do that, I was not able to do it because there was nothing out that would send two frequencies - 49.152MHz and 45.1584MHz to the Titan in addition to sending 98.304MHz and 90.3168MHz to DACs. Now with Turbo Clock that is exactly the missing piece in the puzzle. OK, lets move on, I cannot wait.
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Old 26th October 2013, 02:51 AM   #730
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Excellent news AR2 and acko! I'm sure qusp will be excited to hear the news too, he's been a bit busy with other things for the last few months but I'll mention this one to him next time we're talking
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