Linear Audio USB stick

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Linear Audio USB stick

Zen -> Cen -> Sen - Evolution of a Minimalistic IV Conversion Circuit

This article has been inspired by previous work by LC Audio, Leach and Nelson Pass. Patrick was intrigued by the operation of the Leach circuit as a current conveyor and designed several circuits, based on jFETs, that worked as CC's. Being able to delete all biasing arrangements, and using a floating DC source led to a class of IV converters that couple deceptive simplicity with very high performance. This is a nice circuit to try out as a constrcution project, and Patrick plans to offer kits of PCBs and jFETs through his account at diyaudio.com.

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