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The Designer's Guide Community Forum › Design › Mixed-Signal Design › Intergrator Chopping Problem
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Intergrator Chopping Problem (Read 11744 times)
Berti
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Re: Intergrator Chopping Problem
Reply #15 - Sep 19th, 2008, 6:53am  
Frank, the ideal gain-boosting you simulated: Is it single-ended or differential?
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frank007
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Re: Intergrator Chopping Problem
Reply #16 - Sep 20th, 2008, 3:48pm  
Berti wrote on Sep 19th, 2008, 6:53am:
Frank, the ideal gain-boosting you simulated: Is it single-ended or differential?


It's differential.
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Berti
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Re: Intergrator Chopping Problem
Reply #17 - Sep 21st, 2008, 11:27pm  
I was just thinking that the chopper might add charge injection which together will low CMRR affects the output signal. Differential gain-boosting would increase the CMRR. But since you do an ideal simulation (without mismatch) my idea is probably wrong.

Cheers
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