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Old 22nd March 2013, 11:10 AM   #51
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Quote:
Originally Posted by Corpius View Post
I did. The first post til post 20 or so are from may 2012. Post 20 and later posts are posted from April 2012.
I see March in the first posts.

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thanks, so that would mean that the shipment from 7 May 2012 included the v3 Tridents?
I assume so. Can't you just look at them?
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Old 22nd March 2013, 11:30 AM   #52
Corpius is offline Corpius  Netherlands
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Quote:
Originally Posted by BrianDonegan View Post
I see March in the first posts.
You're right. It was late yesterday evening and this morning it was early



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I assume so. Can't you just look at them?
Yes, but I have to open the DAC. It was just sitting nicely in my room. I'll open the chassis to have a look.
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Old 26th March 2013, 03:07 PM   #53
wju is offline wju  Czech Republic
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Hi
Will there be a 5V version available, as mentioned in 1st post?
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Old 28th April 2013, 09:52 PM   #54
RollE2k is offline RollE2k  Sweden
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Since the trident manual isn't avalible online yet i'll have to ask. I'm not going to use local XO on my Buffalo III, and was thinking about using the Trident to power external XO-board. But now when i'm looking around after clocks, i think i would go for 3.3v Fox Xpresso, ones which does draw ~47mA each, and i will use two clocks on the board.
Would the Trident by default handle these? I read that max i-out is 100mA, but is that with shunt current included? Is there any way to increse shunt current, and is it even needed for this?
Also, when will manual be avalible?
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Old 3rd May 2013, 11:03 AM   #55
RollE2k is offline RollE2k  Sweden
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Any TPA answer would be appreciated, since there isn't any manual available....
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Old 3rd May 2013, 11:25 AM   #56
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I would use one Trident per XO. You may need to adjust the value of R4 to customize the shunt current. Provisions are provided for SMD and TH resistors. You can actually tack on a small trimmer to adjust the value, then replace with a fixed resistor. I will post a pic of how to do so.

We will also get a manual up.
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Old 4th May 2013, 12:04 PM   #57
RollE2k is offline RollE2k  Sweden
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Originally Posted by BrianDonegan View Post
I would use one Trident per XO.
Because of high current needed or because each XO would be better with its own supply?

Anyway, it would be for the acko-xo-board, so it's not possible for me to use two supplies. But i'm thinking about maybe going CCHD-957 and these draw even less power (~20mA/each) so if the reason is because of high current, then it's no problem anymore with those.

Also, would be glad for picture and manual :-)
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Old 4th May 2013, 02:20 PM   #58
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There is only one configurable part on the trident: R4 which sets the source current.

This current can be calculated using Ohm's law. The voltage across that resistor is ~1.35-1.4V (this depends on the actual input voltage and the Vf of the LED which will vary) - the rest you need to calculate for yourself.

For Trident supplied with 5-6V up to 150ma sourced current should be fine. That would be about 9-Ohms. 50ma sourced (as low as I would ever go) would be 27-Ohms. So R4 should always be between that range 9-27R.

Try to keep the shunt current above minimum of 20ma. That is to say setup the source current to be at least 20ma more than your load needs. More is fine - it will just produce more heat.

That's all you need to know to use a Trident in a custom application.

Cheers!
Russ
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Last edited by Russ White; 4th May 2013 at 03:37 PM.
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Old 4th May 2013, 06:25 PM   #59
RollE2k is offline RollE2k  Sweden
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Great, thats pretty much exactly the info i wanted! It should be 805 resistors right? :-)
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Old 4th May 2013, 06:51 PM   #60
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I would use the through hole pads and 1/4W metal film resistor.
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