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Altera_Forum
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17 years ago

Signal processing on DSP board!

Dear! I am using Altera DSP board DK-DSP-2C70N(Cyclone IIEP2C70F672C6) board. I want to interface ECG signal obtain from human body. Kindly tell me how to implement the same on this board. I ...
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Altera_Forum
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17 years ago

The TI ADC input, as i see in reference manual, has a coupling transformer with high-pass spectrum and a low cutoff frequency of 1 MHz. ECG frequencies are very low, so they'll be strongly attenuated. So, the next option is using the audio CODEC with a good coupling analog circuit and instrumentation amplifier or adding an external ADC.