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22 wrz 2020 · The crucial test for any 70Mhz (or any other) bandwidth Oscilloscope (and probes) is to accurately display 70Mhz square wave in this case. Applying Nyquist sampling, means the rising and trailing edges of that 70Mhz square wave will display as a 400 pico Second slope.
Learn how to choose the correct bandwidth oscilloscope for your application. How much bandwidth does your oscilloscope really need? Choose a country or area to see content specific to your location
Scope BW Calculation Step #4: Calculate required bandwidth. Step #1: Determine fastest rise/fall times of device-under-test. Source: Dr. Howard W. Johnson, “High-speed Digital Design –A Handbook of Black Magic”
21 lis 2006 · Choosing an Oscilloscope with the Right Bandwidth. Bandwidth is the specification that most engineers consider first when they select an oscilloscope. This article provides some guidance on how to select an oscilloscope with the appropriate bandwidth for digital and analog applications.
WHAT IS THE RELATIONSHIP BETWEEN BANDWIDTH AND RISE TIME? Most people are interested in time measurements such as square wave rise time and fall time. Therefore, to estimate the oscilloscope system rise time from its specified bandwidth we must use a formula such as that shown below: BW x Tr = 0.35 0.35 / BW = Tr
tolerances are a challenge for oscilloscopes so this steps through how to make accurate measurements. The last article is about how Rohde & Schwarz has expanded its high-performance R&S RTP oscilloscope family in terms of both bandwidth, and functions for debugging and analysis.
provide you with some helpful hints on how to select an oscilloscope with the appropriate bandwidth for both your digital and analog applications. But first, let’s define oscilloscope bandwidth.
