[volt-nuts] How to measure micro-amp currents and have low impedance?

Bob Paddock bob.paddock at gmail.com
Sun Sep 27 00:09:01 UTC 2009

>> I'm not familiar with Patterson's work, and Google was not much help.
>> Will you point me to a specific paper or schematic please?
> Its not particularly new, you have probably seen the circuit many times
> (the name has been around for at least 50 years or so) see:

You're right, I've seen lots of those circuits, just never recall the
name Patterson
being mentioned related to them.

Thank you for the link.

> http://www.electronics.dit.ie/staff/ypanarin/Lecture%20Notes/DT021-4/6LogAntiLogAmplifiers.pdf

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