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Ucurrent gold schematic questions
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andymouse:
Hi
A few questions about the ucurrent gold rev5 schematic, as I would like to build one, firstly the tps3809 appears to have pins 1,3 swapped over or am I reading it wrong (I have got data sheet)?
The 0.1Uf caps on U1 and U2 are connected to -V whereas on the first device (Ucurrent) the caps where on the Ground, does this matter please?
I am having trouble with the shunt resistors configuration as it seems R1 and R9 are in series and to be honest if this is correct and I am reading it wrong I will study harder! but please confirm schematic is correct, and I would very much like an explanation as the article describes the first revision and I got confused (Doh!)
I would like these points explained to me before I buy all the parts. Thanks in advance.
Andy
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