eli5: How are resistors, capacitors and coils placed on integrated circuits?

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eli5: How are resistors, capacitors and coils placed on integrated circuits?

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Answer 1

You can build passive elements like resistors, capacitors, and inductors into the chip itself though the absolute accuracy is pretty bad without calibration and you will be pretty heavily constrained by the values you can achieve. Chips are made of several layers and you can control the order and thickness of the various layers to create different structures with different properties. On chip capacitors and inductors are measured in picofarads and nanohenries, respectively.