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Arthur Pini
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Re: Digital scope or sampling Digital sampling oscilloscope
Arthur Pini   7/15/2014 12:25:00 PM
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Equivant time or random interleaved sampling only works on repetitive waveforms producing a high effective sampling rate.

Real time sampling works with transient(single shot) as well as repetitive signals.

MeasurementBlues
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Re: Digital scope or sampling Digital sampling oscilloscope
MeasurementBlues   7/14/2014 2:00:59 PM
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MeasurementBlues
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Re: Digital scope or sampling Digital sampling oscilloscope
MeasurementBlues   7/11/2014 11:21:05 PM
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There are two kinds of digital oscillosocpes: sampling and real-time. Real-time scopes attempt to capture a signal one sampme at a time and reconstruct it one sample after another. Thus, real-time scopes can work on any waveform. Sampling scopes sample at a slow rate but have very high bandwidth. Signals must be repetitive because the scope samples at different points on each cyle then reconstructs the waveform.

_hm
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Digital scope or sampling Digital sampling oscilloscope
_hm   7/11/2014 11:04:28 PM
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Do you call it digital scope or digital sampling oscilloscope?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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