Insights:
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Why Full VRM Characterization is Essential
The voltage regulator module (VRM) contributes system level noise in several ways. Power integrity (PI) engineers tend to focus on transient voltage noise related…
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Picotest Bundle Supports Tektronix, Keysight, Siglent, and Rohde & Schwarz Scope FRA Features – Bode Plots and PSRR Testing
We have an FRA Bundle of signal injectors that enables Bode plots and PSRR (power supply rejection ratio) measurements for Keysight, Tektronix, Siglent, and…
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Measuring a Scope Probe Requires Two Oscilloscope Channels and a Very Flat Signal Source
Obtaining accurate measurement data requires either accurate knowledge and accounting for the probe and fixture influence OR calibration methodology to remove these effects prior…
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New Common Mode Transformer Solves PDN 2-Port Shunt-Through Measurement Hurdle
We have released an updated common mode transformer, or ground loop isolator, that provides the best isolation for low-impedance power distribution network (PDN) measurements.…
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Optimizing Power for Clocks and other Sensitive Applications
The topic of clock jitter performance seems to be a current focus of clock, ADC, and power supply manufacturers. The reasoning is clear; clock…
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Power Electronics vs. Power Integrity
The power electronics engineer and the power integrity engineer share a common goal: provide the system with the correct voltages, currents, and noise characteristics…
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Webinar: Copper Mountain VNA Impedance Measurement for Power Distribution Networks
Almost all modern circuits are sensitive to power quality, which to a large extent is a measurement of the power rail impedance. This is…
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Picotest Releases Unique and Versatile PCB Clamping Solution
We have released a new, hyper-versatile, and handy clamping solution for printed circuit board soldering, testing, assembly, and probing. “Compared to ClampMan, hands-free clamping…
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Capacitor Coupling for Minimum Impedance
It is well known that the mounting loop of a capacitor owns the major share in parasitic inductance [1]. A practical capacitor when mounted in…
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NIST Traceable Certification for 10.5GHz TDR in a Flashdrive
We asked a 3rd party calibration lab to provide NIST traceable performance data for our new J2151A PerfectPulse Fast Edge Signal Generator. Their data…
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Free Learning: How to Design for Power Integrity Video Series
Learn how power integrity simulations can jump-start your next design. Watch industry expert Steve Sandler explain the importance of flat target impedance design, the…
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Article: Characterizing and Selecting the VRM
Best Paper Award Winner from DesignCon 2017 The voltage regulator module (VRM) is at the foundation of power integrity, making proper selection essential. There…