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analog output dc offset problems

Hey everybody,

I'm trying to send an adjustable  DC analog signal out of my daq card (M-series).
I managed to send sin and other waveforms, but when it comes to  DC signals
I fail.I'm using the offset parameter to ajdust the amplitude of the dc signal. Unfortunately
changin the offset has no effect on the output signal I see on the scope (this acounts not
only to a generetad DC signal but also to any other signal I tried). So basically my question is:
What might be the reason that changing the offset parameter of a waveform has no effect.

Any Ideas?

Thanx in advance!!!

Tom
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Hi Tom_my,

did you check the input coupling parameters (AC/DC) of your scope?


Ingo Schumacher
Systems Engineering Manager CEERNational Instruments Germany
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