Schematic Audio Note DAC-3

Elso Kwak · 21st November 2002, 11:09 AM

Hi,
Anyone has a schematic of the Audio Note DAC-3?
thanks in advance!

jean-paul · 21st November 2002, 03:49 PM

I have ! But what do you want to do with it Elso ? I think your Kwak DAC should be better

Elso Kwak · 21st November 2002, 04:08 PM

Hi Jeanpaul,
Great! I sent you a private e-mail.
I wanted to check the powersupply as I am going nuts with the TDA1543. Quite powersupply sensitive!

rbroer · 22nd November 2002, 07:48 AM

What supplies did you try yet Elso for the TDA1543 and which did you like best ?

Most recent non-os TDA1543 I fed with LT1086-ADJ,
with a capacitor bypassed LM329 6.9V reference to ADJ giving about 8.15V output voltage. The reference is fed from output with a LM334 current source set for 1~2 mA.
Set up this way, it isolates ADJ as much as possible from whatever the TDA1543 is throwing back at the psu line.

One of the things I still want to try is just feeding it with a bypassed zener/string of LEDs referenced NPN follower.
But maybe you have tried that already and could share your results ?

Regards,

tone · 24th November 2002, 01:04 PM

ELSO!!
GO BATTERY.!! BTW:Ur chip on the way.

rgds,
tone

21st November 2002, 11:09 AM	#1
Elso Kwak Banned Join Date: Dec 2001 Location: Zamboanga, City of Flowers, Mindanao	Schematic Audio Note DAC-3 Hi, Anyone has a schematic of the Audio Note DAC-3? thanks in advance!

21st November 2002, 03:49 PM	#2
jean-paul diyAudio Moderator Emeritus Join Date: Sep 2002 Location: The Netherlands	I have ! But what do you want to do with it Elso ? I think your Kwak DAC should be better __________________ It's only audio

21st November 2002, 04:08 PM	#3
Elso Kwak Banned Join Date: Dec 2001 Location: Zamboanga, City of Flowers, Mindanao	Audionote DAC-3 schematic Hi Jeanpaul, Great! I sent you a private e-mail. I wanted to check the powersupply as I am going nuts with the TDA1543. Quite powersupply sensitive!

22nd November 2002, 07:48 AM	#4
rbroer diyAudio Member Join Date: Mar 2002 Location: Netherlands	What supplies did you try yet Elso for the TDA1543 and which did you like best ? Most recent non-os TDA1543 I fed with LT1086-ADJ, with a capacitor bypassed LM329 6.9V reference to ADJ giving about 8.15V output voltage. The reference is fed from output with a LM334 current source set for 1~2 mA. Set up this way, it isolates ADJ as much as possible from whatever the TDA1543 is throwing back at the psu line. One of the things I still want to try is just feeding it with a bypassed zener/string of LEDs referenced NPN follower. But maybe you have tried that already and could share your results ? Regards, __________________ Rudolf Broertjes

24th November 2002, 01:04 PM	#5
tone diyAudio Member Join Date: Aug 2002 Location: Malaysia	DAC3 ELSO!! GO BATTERY.!! BTW:Ur chip on the way. rgds, tone


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