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Old 23rd October 2018, 05:59 PM   #1041
barrows is offline barrows
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Default I would...

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Originally Posted by Stephanlj View Post
Hello,
the resistors in the BOM are not available at mouser. Can you recommend an alternative?
Kind Regards
Stephan
Suggest using Susumu thin films, but I do not know if Pavel (PPY) listen tested to a bunch of resistors. Even Susumu thin film in .1% is not too expensive, and the extra precision might be of value (this has been disputed here a bit).
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Old 23rd October 2018, 06:02 PM   #1042
barrows is offline barrows
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Originally Posted by chientechnical View Post
I having ADUM4160 USB Isolator - It's full speed by 12Mbps. How about the speed need for Amanero?
This part is not fast enough for USB audio. Only the newish Silanna chip can do it. Anyway, you want to isolate the I2S lines, isolating the USB is not of that much value. PPY's newest design has built in isolation/re-clocking of the I2S lines, or DSD lines of you prefer.
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Old 23rd October 2018, 06:39 PM   #1043
ppy is offline ppy  Russian Federation
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Quote:
Originally Posted by barrows View Post
Suggest using Susumu thin films, but I do not know if Pavel (PPY) listen tested to a bunch of resistors. Even Susumu thin film in .1% is not too expensive, and the extra precision might be of value (this has been disputed here a bit).
I had to test a lot of resistors.
I tried Susumu RG series - I did not like it.
The latest version of the DSC specifically made resistors on the connectors. That it would be possible to quickly compare different types of resistors. Still tantalum resistors are the champions of the beauty of sound.
Unfortunately, BOM resistors are hard to find. I do not know any other cheap tantalum resistors.
You can try VISHAY tantalum resistors of the PNM PAT PATT and PTN series. But I did not test these resistors.

Last edited by ppy; 23rd October 2018 at 07:01 PM.
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Old 24th October 2018, 08:08 AM   #1044
Stephanlj is offline Stephanlj  Germany
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Default Resistors for DSC 2.5

PPY
Would this be a correct supplement?

TNPW12104K75BETA Vishay | Mouser Deutschland

Thank you
Regards Stephan
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Old 24th October 2018, 08:25 AM   #1045
ppy is offline ppy  Russian Federation
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TNPW ordinary metal film layer.
My subjective opinion is that tantalum nitride resistors sound better.
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Old 24th October 2018, 08:35 AM   #1046
Stephanlj is offline Stephanlj  Germany
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PPY,
this one is the only one I found that is available. Is this Tantalum?

https://www.mouser.de/ProductDetail/...KiwW2KUQ%3d%3d

Thank you for your help
Regards Stephan
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Old 24th October 2018, 08:54 AM   #1047
ppy is offline ppy  Russian Federation
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Vishay 0.1 % 1206 Thin Film Resistors - SMD | Mouser Europe
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Old 24th October 2018, 08:57 AM   #1048
ppy is offline ppy  Russian Federation
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PAT1206E4991BST1 Vishay / Thin Film | Mouser
Good and not expensive option.
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Old 24th October 2018, 09:05 AM   #1049
Stephanlj is offline Stephanlj  Germany
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Default PAT1206

4,99 kOhm no problem?
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Old 24th October 2018, 09:11 AM   #1050
ppy is offline ppy  Russian Federation
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it's possible 4.7-6.5K
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