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VRMs and VRM controllers are often selected based on size, efficiency, price, or a relationship with the manufacturer. This often leads to a poor VRM selection, requiring additional engineering resources, greater time to market, as well as, higher BOM costs to correct the deficiencies. In this article, we evaluate the choices, define some useful figures of merit, and provide specific selection suggestions.
Teledyne LeCroy announced the WavePro HD high-definition oscilloscopes, which combine for the first time HD4096 12-bit technology and 8 GHz bandwidth for low noise and signal fidelity. With a maximum of 5 Gpoints of fast acquisition memory, WavePro HD oscilloscopes are designed to acquire extremely fine waveform details over long periods of time.
New Yorker Electronics has released the new Vishay Dale IHXL-2000VZ-5A Very High-Current Through-Hole Inductor. The new Vishay IHXL technology combines the metal composite construction of a pressed metal powder with an insulating binder which allows for high saturation magnetization and high field strength – so it handles high transient current spikes without saturation.
Equipped with the R&S®RTB-K15 and the R&S®RTM-K15 options, the R&S®RTB2000 and the R&S®RTM3000 offer a history function with a segmented memory of 160/400 Msample per channel. The R&S®RTA4000 oscilloscopes provide a segmented memory of 1000 Msample per channel as standard. This covers analog and digital channels and the memory can be divided into several steps.
On Thursday, October 18 2018, Eric Bogatin, SI Journal Editor will lead this special session again at EDI CON USA, taking on the topic of how to deliver more than 100A with less than 10 mV of noise to digital devices. See how you can get involved.
Power Integrity takes center stage at a new SIJournal webinar from Rohde & Schwarz USA on Wednesday, May 16 at 11am ET. Michael Schnecker will update us on the technical benefits of specialized power rail probes designed for power rail measurements. He will talk about minimizing noise, proper methods for probing, and give measurement examples. Learn more and register today.
Visit our archived webinars page for educational resources on various design and measurement subjects and view at your convenience. Browse webinars here.
