AN60319 - Instrumentation amplifier - Design procedure for EEG signal acquisition

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AN60319 - Instrumentation amplifier - Design procedure for EEG signal acquisition

Anonymous
Not applicable
‎Feb 03, 2016 03:42 AM
‎Feb 03, 2016 03:42 AM
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Dear
I am trying to implement Instrumentation Amplifier using PSoC 5LP
I am referring the Application Note AN60319
According to the circuit given in the document i can acquire only one signal(One channel;For Example: Channel Fp1)
I am looking to acquire EEG signal from two channels Fp1 & Fp2 (According to 10-20 system)​

What design(PGA,Opamp) should i use in PSoC to implement my requirement.
Thanks in advance.

TIA, Karthik
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Re: AN60319 - Instrumentation amplifier - Design procedure for EEG signal acquisition

MarkH_61
Employee
Employee
25 likes received 50 replies posted 25 replies posted
‎Feb 03, 2016 09:01 AM
‎Feb 03, 2016 09:01 AM
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Karthik,

   

If you are going to feed the signal into the ADC anyway, you are better off to use the two opamp method and measure it differentially anyway.  Also, you can mux the inputs of the opamps so you can measure two or more differential channels.

   

 

   

Mark

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