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 We can read about torque and speed in books, we can build a robot and drive it, but determination and character are built by time and encouragement, not just by studying. - Eugenia Gabrielov [more] |
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#8
15-02-2008, 18:08
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Re: New Backup Battery Circuit
Sorry folks, you are right about the ground shorting out R3. On of my team member told me it was isolated. I finally got my hands on the controller and did some measurements and circuit Version 2.0 I have posted. This design I was bit more conservative at 100 ma charge rate. I also have the charge characteristics curve if anyone needs it.
CJ |
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