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offset cancellation (Read 1379 times)
Mikay
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offset cancellation
Feb 17th, 2017, 10:45am
 
Hi Is there anyone who is familiar with the offset cancellation technique mentioned in the following link?

I can understand the Fig.3: 2xδVBE Differential With Offset Cancellation well. But when it comes to Fig.4: Multi-Phase Current Switching. I'm quite confused. can anyone know the circuits well?

Thanks in advance.

the paper cited is in this link.
https://pdfs.semanticscholar.org/9d6f/baee6c45527791ee4bdd455bc0a126a0756c.pdf
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loose-electron
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Re: offset cancellation
Reply #1 - Mar 20th, 2017, 9:18pm
 
Looks like they are integrating a current onto the capacitors to compensate for the non ideal offset.

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