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Mr.RC-Cam

µMetros: Battery Resistance Meter

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A 10 load will require a redesign of the AC driven constant current source and sensing circuitry. I think it would be best if you reviewed the original application circuit that my design is based on. It provides the theory of operation, which will help you develop what you need. Here is the app circuit white paper:
http://www.edn.com/design/test-and-measurement/4323863/Dynamic-load-circuit-determines-a-battery-s-internal-resistance

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