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Hi, there
While measuring data using the ADC-DAC-DMA instrument of the ALPHA250, I noticed too much flicker noise in the low frequency band.
Therefore, when I measured the data without the input of ADC0, the data appeared as shown in the figure. ( at 10 Hz to 1MHz)
Did I make a mistake in my measurement? Or is it caused by the DC offset of the default ADC0? If so, can I control the DC offset?
The text was updated successfully, but these errors were encountered:
We typically have about 25 nV/rtHz of spectral density at 100 kHz, this seems to be about what you observed.
Concerning the DC offset, did you terminate the ADC input with 50 Ohm ?
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Hi, there
While measuring data using the ADC-DAC-DMA instrument of the ALPHA250, I noticed too much flicker noise in the low frequency band.
Therefore, when I measured the data without the input of ADC0, the data appeared as shown in the figure. ( at 10 Hz to 1MHz)
Did I make a mistake in my measurement?
Or is it caused by the DC offset of the default ADC0? If so, can I control the DC offset?
The text was updated successfully, but these errors were encountered: