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  • High-precision analog front end of a portable ECG application

    Other Parts Discussed in Thread: INA326 , REF3125 , ADS8321 Hi, I like to build ECG Front End base on the link shown below (Figure 5) http://www.ti.com/lit/an/slyt226/slyt226.pdf Can anyone explain to me each of the amplifiers is doing the the circuit…
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  • Differential Analog Front-End to ADC

    Resolved
    Other Parts Discussed in Thread: THS4521 , ADS1278 , ADS8321 , ADS1178 , ADS1174 What's the difference between the two implementations? One configuration appears to shunt HF and noise, but would allow the opamp to oscillate if induced. The other configuration…
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  • Re: ECG amplifier

    Resolved
    Thanks for quick reply, I have some doubts: Can i give supply of 3.3 v to the REF3125 and ADS8321 and still have Vref = 2.5v and the ADS8321's working ? the other think i would like to know is? Which components should i remove if i can use the ADC…

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