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ErinEast
To measure current with an oscilloscope, you have to use a current probe. The problem is, there are so many types of current probes available now, and it’s hard to know when to use what. When you think about current probing, there are three main categories that most applications fit into: High current General purpose Low current Each of the… (Show more)
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BoonCampbell
Comparing different manufacturers’ oscilloscopes and their various specifications and features can be time-consuming and confusing. Streamline this process and select the oscilloscope that best fits your application with these top 10 considerations.   Streamline this process and select the oscilloscope that best fits your application with these… (Show more)
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KennyJ
Recently I was visiting the SIPI lab (Signal Integrity and Power Integrity) of a large corporation showing them how to make some solid power integrity measurements that they could trust (check out this application note if you’d like some tips). We had just finished making some ripple and noise measurements on one of the key supplies inside their… (Show more)
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KeysightOscilloscopes
Written by Rick EadsThe Need for a 16GT/s PCIe Interconnect PCI Express represents one of the most successful computer interconnects yet devised and helped to enable high-speed connections between external devices such as displays and storage adapters to the internal CPU of the computer.  As networking speeds have increased (datacenter), as… (Show more)
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KeysightOscilloscopes
Written by Doug Beck What is mask testing? A fundamental aspect of electrical engineering is finding problems with signal integrity. In the real world, systems don’t always work as simulation says they are supposed to. There is the concept of a “golden trace” where the waveforms are precisely where they need to be. But there are a great number of… (Show more)
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Alex Bailes
Pushing the limits of Ethernet speeds and NRZ The increased demand for more data from consumers and businesses has required faster and faster Ethernet technologies. To that end, a shift from NRZ(Non-Return to Zero or PAM2) to PAM4 (Pulse Amplitude Modulation 4) has now become the answer to increasing data throughput. PAM has never been used at the… (Show more)
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Daniel_Bogdanoff
Hacking the specs Everyone loves a bargain. And who doesn’t love a hacked oscilloscope? Well, it would be pretty odd for an oscilloscope company to teach you how to hack your own hardware. Besides, that’s already been done (Fig. 1). So, I’m coining a new term: “spec hack.”   Webster’s dictionary will one day define it like this:   Spec hack … (Show more)
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Allison_Dartt
I’ll bet you have quite the stock of random probes on your bench. And, you’ve inevitably reached for a probe and made a measurement without even knowing which probe you were using. I’m guilty, too. Probe selection can seem awfully confusing, so we often resort to this “random selection.”   The fact is, probe selection can significantly affect… (Show more)
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BoonCampbell
If you’re an Infiniium user, you’ll definitely want to keep reading. The 6.1 software update just launched and it’s packed with new features that will improve your testing efficiency. Use this as a guide to make use of the new tools and enhancements that you’ll find in this software update.   These updates include: New Jitter Decision Feedback… (Show more)
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Paul Capozzoli
Knowing the quality of the scope’s measurement system is paramount when you need to have accurate measurement results.  While banner specs like bandwidth, sample rate, and memory depth provide a basis of comparison, these specifications alone don’t adequately describe oscilloscope measurement quality.   Figure 1: Keysight Infiniium S-Series… (Show more)
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