Weird Noise in AIB Analog Input
Posted: Thu Jan 12, 2023 4:35 pm
Hi all,
With my team, we are trying to solve a problem that involves a Biosemi AIB Analog Input, a Kistler DAQ and a Kistler Multicomponent Force Plate.
Specifically with the Biosemi AIB, we connected the input to an oscilloscope (ground to pin 37 and probe to channel pins as stated in this page https://www.biosemi.com/faq/pin_connections_aib.htm) and get the next images:
If we are not wrong, and since those are Inputs, we should read high impedance and not a sinusoidal wave of not negligible peak-to-peak value of roughly 50 Hz. Is this the expected behavior of the Analog Input of an AIB? Or are we dealing with a defective device?
Also, we had a hard time finding a detailed datasheet of this device, all the info came directly from this webpage https://www.biosemi.com/aib.htm. We were wondering if we could get more information from another source that we might have missed?
Any help would be really appreciated
Best regards,
MatÃas
With my team, we are trying to solve a problem that involves a Biosemi AIB Analog Input, a Kistler DAQ and a Kistler Multicomponent Force Plate.
Specifically with the Biosemi AIB, we connected the input to an oscilloscope (ground to pin 37 and probe to channel pins as stated in this page https://www.biosemi.com/faq/pin_connections_aib.htm) and get the next images:
If we are not wrong, and since those are Inputs, we should read high impedance and not a sinusoidal wave of not negligible peak-to-peak value of roughly 50 Hz. Is this the expected behavior of the Analog Input of an AIB? Or are we dealing with a defective device?
Also, we had a hard time finding a detailed datasheet of this device, all the info came directly from this webpage https://www.biosemi.com/aib.htm. We were wondering if we could get more information from another source that we might have missed?
Any help would be really appreciated
Best regards,
MatÃas