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Results tagged with noise
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user 250050
Noise is an unwanted disturbance in an electrical signal. This tag is for questions about sources of noise, noise types, issues caused by electrical noise, or improving the signal-to-noise ratio of an analog circuit.
2
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How to verify noise modelling in fully differential op-amp Spice models?
The noise analysis shows the voltage and current noise densities of the op-amp.
I want to use a fully differential op-amp and do some noise calculations. … Can anyone tell me how I can verify the noise model of a fully differential op-amp? …
- 109
2
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1
answer
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How to calculate RMS noise from datasheet?
I would like to calculate the RMS noise of the DDS for my bandwidth. The datasheet has a SNR specification for a test frequency. … I thought I could calculate the RMS noise like this:
$$ V_{RMS\,12.5MHz}= \cfrac{0.3\,V/\sqrt{2}}{10^{\frac{60dB}{20}}}= 212\mu V $$
$$ e_{AD9833}=\cfrac{212\mu V}{\sqrt{12.5MHz}}=60\frac{nV}{\sqrt{Hz} …
- 109