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Old 22nd July 2015, 08:58 PM   #641
slmnklyc is offline slmnklyc  Turkey
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Join Date: Oct 2014
Location: Turkey
Hi
I have attraction dac and small amp which is 2 x 10 Watts of Power into 8 Ohm or 2 x 20 Watts into 4 Ohm.
Dac is 12v 200mA
Amp is 12v ???A
I want to build 2 psu for them by using Jan didden regs.
3A for amp will be definitely ok..
It is working with a 12vdc 1A cheap wall adapter now.
I don't know maybe it is not work with 1A Jan didden reg..
What is the max amper value while keeping the design mostly original?
I have no electronic knowledge!!
Can you tell me what are the exact material list to power my dac and amp?
Such a list like amb lab psu s.
I will buy the PCB boards with my next salary..
Help please?
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Old 26th July 2015, 02:03 AM   #642
wendelltate is offline wendelltate  United States
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Join Date: Sep 2008
Hi all,
I am building the 2.2 board to use with a B-3 preamp. I am having trouble locating the 6.8 Zener at .25w (if I am looking for the correct thing). Will this 5.6v at .25w work? The Mouser part number is 610-1N4626
Thanks for any help. I feel like such an idiot dealing with all of this...
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Old 26th July 2015, 02:21 AM   #643
Mark Johnson is offline Mark Johnson  United States
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Location: Silicon Valley
Super Regulator
Try these Mouser part numbers

512-1N5235BTR

512-BZX79C6V8

78-1N5235B

78-TZX6V8B-TAP

771-BZX79-C6V8AMO
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Old 26th July 2015, 03:07 AM   #644
wendelltate is offline wendelltate  United States
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Thanks!! What about the heatsinks?
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Old 4th September 2015, 05:00 PM   #645
dodo is offline dodo  Poland
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Join Date: Dec 2004
Location: Bydgoszcz , small town in Poland
Quote:
Originally Posted by jan.didden View Post
I send all files to Jason, I think he ordered the boards.

Jan
It is already 6 weeks passed and still lack off PCB in diyAudio Store.
My question is is there any chance to se those super regulator 2.3 ver boards in the store or I should forget about it ???
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Old 5th September 2015, 08:32 PM   #646
Jason is offline Jason  Australia
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Location: Melbourne
Super Regulator
Quote:
Originally Posted by dodo View Post
It is already 6 weeks passed and still lack off PCB in diyAudio Store.
My question is is there any chance to se those super regulator 2.3 ver boards in the store or I should forget about it ???
The 2.3 boards arrived a while ago but somehow they didn't make it to the navigation system of the store....

Available now at: Super Regulator V2.3 - Power Supplies and Accessories - Circuit Boards
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Old 8th September 2015, 01:13 PM   #647
Dirk1 is offline Dirk1  Germany
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Join Date: Feb 2013
Location: Kassel
Hello there,
I need for my Dac only positive voltage, it is possible.
Input voltage ~ 17,00V output voltage 12,00V current ~ 450mA
Input voltage ~ 12,50V output voltage 5,00V current ~ 380mA
How do I calculate the resistors to the voltage to fit?
Thank you.


Hallo,
ich brauche für meinen Dac nur positive Spannung, ist das möglich.
Eingangsspannung ~ 17,00V Ausgangspannung 12,00V Strom ~ 450 mA
Eingangsspannung ~ 12,50V Ausgangspannung 5,00V Strom ~ 380mA
Wie berechne ich die Wiederstände um die Spannung an zu passen?
Danke
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Old 8th September 2015, 01:42 PM   #648
AndrewT is offline AndrewT  Scotland
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Join Date: Jul 2004
Location: Scottish Borders
Quote:
Originally Posted by Dirk1 View Post
Hello there,
I need for my Dac only positive voltage, it is possible.
Input voltage ~ 17,00V output voltage 12,00V current ~ 450mA
Input voltage ~ 12,50V output voltage 5,00V current ~ 380mA
How do I calculate the resistors to the voltage to fit?
Thank you.


Hallo,
ich brauche für meinen Dac nur positive Spannung, ist das möglich.
Eingangsspannung ~ 17,00V Ausgangspannung 12,00V Strom ~ 450 mA
Eingangsspannung ~ 12,50V Ausgangspannung 5,00V Strom ~ 380mA
Wie berechne ich die Wiederstände um die Spannung an zu passen?
Danke
Which circuit are you using?
Post a sch and then a Member can help you through the resistor selection process.
__________________
regards Andrew T.
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Old 8th September 2015, 04:32 PM   #649
Dirk1 is offline Dirk1  Germany
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Join Date: Feb 2013
Location: Kassel
AntrewT thanks for your answer,
as there are several drawings, I have a link attached with the original drawings.
I want to use 4 of the DAC modules.

http://www.dddac.com/documents/dddac1794_nos_ver30.pdf

AndrewT danke für deine Antwort,
da es mehre Zeichnungen sind, habe ich einen link mit den Orginal Zeichnungen angehängt.
ich möchte 4 von den dac Modulen verwenden.
http://www.dddac.com/documents/dddac1794_nos_ver30.pdf
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Old 9th September 2015, 12:57 PM   #650
AndrewT is offline AndrewT  Scotland
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Join Date: Jul 2004
Location: Scottish Borders
The DAC datasheet shows the existing PSUs.

Where is the new PSU that you propose to use?
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regards Andrew T.
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