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Tim Phillips <tim@...>
from Tim P (UK)
I saw the two 'specials' on Christian's website - the ZIG-T is interesting in that ultra-high impedance amplifiers have application in Cell Physiology for use with micro-electrodes. I'd love to see the schematic.
Also, I was intrigued by the Ball Screw Test Fixture, although that's probably just my puerile sense of humour !! <g>