It's very simple - I don't have a schematic, so will have to look inside (it's been a couple years) and then write up a verbal description. The main thing you need to find is a dry type audio coupling transformer, the kind commonly used in older modems from the late 1990s - 2000s.
Ed
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--- In hp_agilent_equipment@..., "john.spuma" <john.spuma@...> wrote:
Hi Ed,
Just wondering if you can provide some detail of how you implemented the "ground-reference converter", and any affect it has on measurements, such as accuracy.
