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MSP-EXP430FG4618 Anti-Aliasing Filter

Other Parts Discussed in Thread: MSP430F2013, MSP430FG4618

Does the MSP-EXP430FG4618 Experimenter's board have an analog Anti-Aliasing filter at the input to the ADC of either the MSP430F2013 or the MSP430FG4618?

I'll be sampling at 256 Hz, and so was wondering if I should use an RC lowpass filter as an anti-aliasing filter before the ADC.

  • The FG4618 chip has three on-chip software configurable OAs. The Experimenter's board utilizes one of them as HPF and the other two as LPF. See User's Guide Section 6.3.2 Analog Filters. You can modify them to fit your needs,

  • old_cow_yellow said:

    The FG4618 chip has three on-chip software configurable OAs. The Experimenter's board utilizes one of them as HPF and the other two as LPF. See User's Guide Section 6.3.2 Analog Filters. You can modify them to fit your needs,

    Thanks very much,

    I'll look into that.

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