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External PSU finished

Posted 2nd May 2011 at 07:02 PM by dvb projekt
Updated 30th November 2016 at 09:46 AM by dvb projekt

After a long weekend , i have finished the external PSU!

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Here are some internal view pictures.

On the upper side the two +/- Power Supply Modules,
in the lower left corner the 10H choke on amorphous cores from AE-Europe,
in the middle the 1st cap (3,9µF Mundorf supreme silver in oil) of the HV-PSU line,
in the lower right corner the Power Switch Module with onboard solid state relays.

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And some close-up pictures

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Old

The final parts for the Reference DAC Case

Posted 25th April 2011 at 10:26 AM by dvb projekt
Updated 30th November 2016 at 09:54 AM by dvb projekt

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On the left side

USB-Isolator from Circuits@Home

Teralink X2 USB to I2S converter (with my modification)

TDA1541A Salas shunt reg. module

+5V Salas shunt reg. module
(downlink side of USB isolator incl. +5V line of Teralink X2/ Twisted Pear WM8804 / Ultra highspeed buffer module / I2S switch)

+3,3V Salas shunt reg. module (+3,3V line of Terlink X2)



In the middle

Twisted Pear WM8804 SPDIF to I2S converter

On top the Ultra High Speed Buffer module

I2S switch

2* TDA1541A DAC module with direct input shunt mod.



On the right side

2* SSHV-Shunt module (one for each channel)

Tube-I-zator V2.0
(the remaining parts of the onboard HV-PSU are not necessary,
because
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Old

High Voltage schematic for the Reference DAC PSU

Posted 20th April 2011 at 08:21 AM by dvb projekt
Updated 30th November 2016 at 09:56 AM by dvb projekt

Here you could see the final schematic for the HV lines.

The two 40mA current taps are the SSHV-Shunt´s,
one for each channel on the Tube-I-zator.



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Old

The PSU case

Posted 17th April 2011 at 11:45 AM by dvb projekt
Updated 30th November 2016 at 09:58 AM by dvb projekt

Finally the engraved top-, front- & backplate arrived.

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Surely you are asking yourself, why i made a 1mm deep square around the place for the transformer...

...now here is the answer

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I´ve got a perfect aluminum transformer housing and now it sits perfect without an air gap.


Now it´s time to assemble the parts.


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