Sensors bandwidth

Motor Drivers/Sensors
1

Why should I reduce bandwidth for a current sensor?
Are there any software tricks to achieve good resolution vs. bandwidth?

Thanks!

2

Hi Pawel,
there are two major issues that can be solved by reducing the bandwidth:

  1. The ADC processing the signal has a lower sample rate than 2 x the bandwidth. This can cause Anti Aliasing Errors.
    The ADC input signal needs to be lower in bandwidth than the sample rate.

  2. More bandwidth brings more noise: if bandwidth is not needed but less noise appreciated: you can reduce noise by reducing bandwidth.

You are welcome!