DAC-END R (ES9018) full assembled board - Page 42 - diyAudio
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Quanghao Audio Design Quanghao Audio Design is a producer of DIY Audiophile Kits and PCB boards, selected from many listening tests!

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Old 26th April 2013, 06:50 AM   #411
JLOP is offline JLOP  France
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Probably his Google mail is not locked. See contact at his web site
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Old 27th April 2013, 01:01 PM   #412
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Hi this type of displays look nice also

2013 New Version Yulong Sabre DA8 DSD 32bit 384kHz DAC Decoder Amplifier | eBay
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Old 27th April 2013, 04:17 PM   #413
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Here the photos of the first final board assembled, email received today by Quang Hao
Attached Images
File Type: jpg DAC-ENDR1.jpg (529.6 KB, 588 views)
File Type: jpg DAC-ENDR2.jpg (687.2 KB, 542 views)
File Type: jpg DAC-ENDR3.jpg (565.1 KB, 512 views)
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Old 28th April 2013, 09:42 AM   #414
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Looking good.
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Old 28th April 2013, 02:37 PM   #415
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What about opamps. Do I need Single or dual ? How many do I need ?
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Old 28th April 2013, 08:53 PM   #416
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Tab on top of every page "search this thread". Input "opa627"

-Rgs
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Old 3rd May 2013, 03:37 PM   #417
la1209 is offline la1209  Hong Kong
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Any updated news?
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Old 4th May 2013, 05:45 AM   #418
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Quote:
Originally Posted by Erlend Sæterdal View Post
What about opamps. Do I need Single or dual ? How many do I need ?
The op-amp output stage of this DAC use 2 x dual op-amp for each channel.

I have used a dual OPA627 module as first and OPA2134 like second.

Otherwise you can use 4 x OPA2134 or any other dual op-amp.
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Old 4th May 2013, 06:19 AM   #419
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Thank you ! Then I will use 4 x AD 8620


Oh I forgot it can only be used up to 12 V .

Last edited by Erlend Sæterdal; 4th May 2013 at 06:31 AM.
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Old 4th May 2013, 07:49 AM   #420
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Quote:
Originally Posted by Erlend Sæterdal View Post
Thank you ! Then I will use 4 x AD 8620


Oh I forgot it can only be used up to 12 V .
Bought 4 x OPA 1612



Burr Brown OPA1612 Soundplus High Performance Bi Polar Op Amp SOIC 8 Pin Package | eBay
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