Balanced Audio Volume Controller with PGA2310

[yangsmm]

I finally finished the Balanced Audio Volume Controller with PGA2310. It titled 'A-One'.
Because I think it is the first module, which is controlled by PC-Based Program.

Features listed below

¢Â Remote-Controller Based Control
¢Â PC-Based(USB) Control
¢Â Balanced Input and Output
- Stereo Input : 1-Pair
¢Â Un-Balanced Input and Output
- Stereo Input : 3-Pair
¢Â Rotary Encoder Control
¢Â Power Supply : +5, +12V, -12V(DC)
¢Â Display : VFD(16 x 2 Lines)
¢Â Volume Controller : PGA2310PA 2EA
¢Â Volume Range : -90dB ~ +30dB
¢Â Buffers : OPA604AP 10EA

 

[wxn]

Schematic, please?

 

[yangsmm]

schemetics is simple..

schemetics is very simple. what a diffucit is to connect the pc -based software and mcu programming.
anyway, I'll upload the schemetics soon.^^

 

[mbcouple]

Any update on this project?

Thanks

 

[yangsmm]

Any update on this project?

Thanks

Oh, Sorry ^^
I finished this projects and I am making documents so that it need a little time.^^

 

[yangsmm]

detailed document~~

Visit for a detailed explanation
http://www.digi-hifi.com/?pt=pview&st=local&pc=product&no=37