On-Die Power Rail Measurements: Setup and Best Practices
Accurate on-die power rail measurements depend on proper sense-line design, differential probing, and careful test setup at the package level.
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Fundamentals of Power Integrity: Board Pollution
Board pollution noise arises when switching activity and VRM ripple couple onto PCB power planes, and spectral analysis can reveal the dominant aggressors.
Fundamentals of Power Integrity: Self-aggression Noise
Self-aggression noise arises from a device’s own switching activity, creating ripple and rail disturbances even in otherwise steady-state conditions.
Fundamentals of Power Integrity: Mutual Aggressors and Rail Transient Response Measurement
Characterizing rail transient response and mutual aggressor noise helps quantify droop, ripple, and recovery behavior in power delivery networks.
Don't Probe HV with Single-ended Passive Probes!
Ground-referenced passive probes can create dangerous short circuits in high-voltage power systems—use properly rated differential probes instead.
Situational Awareness: RF Noise in the Lab
Understanding your lab’s RF background with spectral analysis and near-field probing helps separate real device emissions from environmental noise.
Automotive Ethernet MDI S-Parameter Testing
MDI S-parameter testing ensures Automotive Ethernet links meet strict EMC requirements by controlling reflections and common-to-differential mode conversion.
Five Tips to Improve Dynamic Range When Using Your Oscilloscope
Maximize oscilloscope dynamic range by combining higher vertical resolution, averaging, filtering, and smart display and coupling practices.
Anatomy of a PCIe Link
Understanding PCIe’s layered architecture reveals why capturing synchronized physical- and protocol-layer behavior is essential for effective link debugging.
Debugging Dynamic Link Behaviors with CrossSync PHY for PCIe
CrossSync PHY enables time-synchronized protocol and oscilloscope analysis to diagnose unexpected PCIe link equalization and preset training behavior.
Debugging L1 Substates Timing Errors with CrossSync PHY for PCIe
CrossSync PHY enables time-synchronized oscilloscope and protocol analysis to verify PCIe L1 substate clock request and reference clock timing.
Near Field vs. Far Field Radiated Emissions
Near-field measurements capture all radiation components close to a device, but only dipole terms dominate far-field EMC compliance results.
Testing for Near Field Radiated Emissions in the Time Domain
Time-domain near-field probing reveals radiated emission signatures synchronized with switching currents, helping pinpoint return path discontinuities before EMC testing.