here is my DAC

[takashi]

hi, here is my DAC, using AD1892, and parellel 2 TDA1543, and using 3 74ahct74 to do reclock.

 

[MCLL]

Hi takashi,

Where to buy TDA1543 & AD1892 Chips in HK ?

 

[takashi]

cannot buy in HK, i buy in china

 

[tone]

tda

MCLL: mail me for the tda1543..i ship internationally..Usd$2 ea.

tone.

 

[takashi]

please have a look

 

[takashi]

this pic show the audio out after the copuling cap.
20k hz sine wave...
and the is no filter(2200pF parallel to GND)

 

[takashi]

this is 1K hz sine wave and again without filter

 

[albertho]

Dear Takashi,
The board seems quite simple.
I am interesting to make one.
Could you post the circuit and the pcb layout for us?
Thank you very much.

 

[takashi]

this pic show 1 k hz with filter(2200pF parallel to GND)

 

[takashi]

20k sine wave with filter

 

[takashi]

10k sine wave without filter

 

[takashi]

this is the 10k sine wave with filter

 

[takashi]

this show the Bit Clk (2.822Mhz).
the condition is: the re-clock circuit (74ahct74) use the same clk with DIR (AD1892)

 

[takashi]

this show the Bit Clk (2.822Mhz) again.
the condition is: the re-clock circuit (74ahct74) use different clk with DIR (AD1892).
and the CLK use for reclock circuit is higher than the clk using in DIR.

 

[takashi]

hi, albertho, do you still want to do this board after looking at the photo?

i have a little bit disappointed~

so please , can anyone can help me to make it better?

thanks

 

[MCLL]

How about my DAC

An externally hosted image should be here but it was not working when we last tested it.

 

[MCLL]

Sorry...Try Again...

http://hk.photos.yahoo.com/bc/leo8597/

 

[jan.didden]

hi, albertho, do you still want to do this board after looking at the photo?

i have a little bit disappointed~

so please , can anyone can help me to make it better?

thanks

How is your filtering organised (oversampling, analog)?

Jan Didden

 

[leo529]

my dac

MCLL, as my memory, shamsuipo can find the TDA1543, about $20 each, you can go have a look.

i got some samples from AD before, should ahve some AD1892 here, i need to find it out, please leave me email....

and here is my DAC

 

[takashi]

hi, leo529
where did you brough this board?
is it pcm1704?
it seems very expensive!