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i want to make a voltage to current converter which is also known as current transmitter. i want to convert 0 to 5v into a 4 to 20mA current loop which can be received by a powered load. i want to make the circuit using op-amp. please someone help me by suggesting some tested circuit. thanks in advance

schematic

simulate this circuit – Schematic created using CircuitLab

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marked as duplicate by Marcus Müller, DoxyLover, SamGibson, Voltage Spike, PeterJ Aug 5 '17 at 5:53

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