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What is the sampling rate of an oscilloscope?
One of the banner specifications for any digital oscilloscope is the sample rate, which is quite simply equal to 1/ts. Sample rates for the highest performing Tektronix oscilloscopes are now in excess of 100 GS/s per channel.
What is the main advantage of using a digital storage oscilloscope *?
One advantage of digital storage oscilloscopes over voltmeters is that they can show signals graphically, allowing for a more intuitive visual diagnosis of the source of unexpected voltage. Voltmeters register only the presence of unexpected voltage, necessitating further diagnostics and troubleshooting.
Why is sample rate important in digital oscilloscope?
This is due to the fact that the parts of the waveform that have sharper transitions incorporate higher frequency components and aliasing becomes more significant in these regions. In this article, we looked at two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.
What should be the maximum signal frequency for an oscilloscope?
Therefore, when measuring analog signals, we should make sure that the maximum signal frequency is less than fBW 3 f B W 3. This rule of thumb is based on the assumption that the scope frequency response is almost flat in the pass-band of the transfer function.
How many samples do you need for an oscilloscope?
The Nyquist criterion states that the sampling rate must be at least twice the maximum frequency that you want to measure: for a spectrum analyzer this may be enough, but for a scope you require at least 5 samples to accurately reconstruct a waveform.
What should the sampling rate be for a Gaussian oscilloscope?
Moreover, we discussed that a sufficiently high sampling rate is required to avoid aliasing. With a Gaussian frequency response oscilloscope, we usually need the real-time sampling rate to be 4-5 times the oscilloscope bandwidth.