Plz, comment my layout (D1 I/V) - diyAudio
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Old 23rd October 2004, 04:36 PM   #1
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Default Plz, comment my layout (D1 I/V)

Hi guys.
What's good, what could be better?

Trace width:16 mil
E-Caps: Panasonic FK
Caps: WIMA SMD

cheers // vit
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Old 25th October 2004, 06:06 AM   #2
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looks very professional.What is it used for doing?

A suggestion is to avoid the "T" type trace.



digi
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Old 26th October 2004, 08:49 PM   #3
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Hi and thanks digi01. The software I use is Eagle Layout Editor by Cadsoft .
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Old 28th October 2004, 11:26 AM   #4
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some questions:

why do you use 390R instead of 1k5 at R27 ? do you think more voltage across the FET is better?

why do you use 10nF for C3? i think in the original this one would be the 2n7.

Do you use a less +-30V power supply? for the 3k3 resistors i think 1 or 2 watt type would be better.

very interested, Till
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Old 29th October 2004, 07:26 PM   #5
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Hi Till

I asked someone (can't remember who ) if I had to adjust something in the circuit for a higher output dac.
I will use PCM1794 wich have 4x higher output then PCM63.

edit:

Yes, the 3k3 resistor is 2W.
BTW...I will use your power supply
If you are intrested I'll send you my eagle-files

cheers // vit
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