It costs a good deal to make a discrete R2R ladder dac instead of buying a chip from TI (http://www.msbtech.com/products/dac4.php http://www.msbtech.com/product

It costs a good deal to make a discrete R2R ladder dac instead of buying a chip from TI (http://www.msbtech.com/products/dac4.php http://www.msbtech.com/products/dac4.php), however I've now seen some cool DIY projects that are doing even this on the cheap: http://www.diyaudio.com/forums/vendors-bazaar/259488-reference-dac-module-discrete-r-2r-sign-magnitude-24-bit-384-khz.html http://www.diyaudio.com/forums/vendors-bazaar/259488-referen...