Precision programmable current source uses two ICs

Precision programmable current source uses two ICs

by Stefano Salvatori & Pietro Oliva @ edn.com:

This Design Idea mates a precision current source IC with precision difference amp chips to create a programmable current source or sink.

The resistor-programmable current source/sink in Figure 1 illustrates the basic topology, taking advantage of tightly matched on-chip resistor ratios instead of relying on absolute tolerances.

Precision programmable current source uses two ICs – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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