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Using OTA for switched capacitor filter

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sgharagoz

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I am designing a low pass filter and i was wondering is better to use opamp or OTA for this kind of design?

Also the cutoff freq is 100K (if it helps)

Thanks
 

sgharagoz said:
I am designing a low pass filter and i was wondering is better to use opamp or OTA for this kind of design?
Also the cutoff freq is 100K (if it helps)
Thanks
Click to expand...

It´s not easy to give a general answer.
For example, do you intend to create an integrated design or with lumped elements?
 
sgharagoz said:
It is an integrated design.
Click to expand...

Today, without any doubt, the most economical technology for integrated SC filters is the CMOS-OTA approach (fully differential).
 

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