Search found 2 matches

by Yaronm
Tue Apr 01, 2014 1:21 pm
Forum: BioSemi Hardware
Topic: Signals of electrodes in B-array appear noisy
Replies: 3
Views: 13297

Re: Signals of electrodes in B-array appear noisy

Coen wrote:
> Most probably pickup of alternating magnetic (50/60 Hz ?) field by a loop
> between A cable (with CMS/DRL) and B cable. Bundle the A and B cables as
> much as possible to minimize the area of the loop between A and B cables.
>
> Best regards, Coen (BioSemi)

Thank you, I will try that ...
by Yaronm
Tue Apr 01, 2014 11:29 am
Forum: BioSemi Hardware
Topic: Signals of electrodes in B-array appear noisy
Replies: 3
Views: 13297

Signals of electrodes in B-array appear noisy

Hi,

Problem:
After setting up the system (64 electrodes) on a subject, we inspected the online signals from the software panel. All signals belonging to the electrodes in the B-array seemed considerably more noisy than those in the A-array. The noise seemed as high frequency signal added to the ...