(http://www.diyaudio.com/forums/images/articles/image.php?width=300&image=passiv/ziv.jpg&auth=63f6fd46238107b1dd18abbc20ea2cb8)
A new circuit published on DIYAUdio.com by Nelson Pass.
An I/V stage is an output stage for current source DAC chips. It converts the current output to voltage output for use with our voltage amp audio systems. Running the chip in current mode often results in lower noise.
http://www.diyaudio.com/forums/diyaudio-com-articles/172983-zen-i-v-converter.html