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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Unintentional Antennas in Electric Circuits
Small amounts of common current from ground bounce and return path gaps can turn ordinary interconnects into efficient radiating antennas.
Signal and Power Integrity Tutorial: Measuring Clock Jitter Sensitivity to Power Rail Noise, Pt. 2
By correlating filtered power rail variations with clock period tracking, you can quantify and verify a clock’s jitter sensitivity to supply noise.
Signal and Power Integrity Tutorial: Measuring Clock Jitter Sensitivity to Power Rail Noise, Part 1
By injecting a controlled power rail perturbation and tracking clock period variation, you can quantify a clock’s sensitivity to supply noise.
Fundamentals of Automotive Ethernet
Automotive Ethernet adapts standard Ethernet technology to meet automotive demands for lightweight cabling, higher data rates, robust EMC performance, and simplified in-vehicle networking.
10Base-T1S Automotive Ethernet vs. 10Base-T1L Industrial Ethernet
While both 10Base-T1S and 10Base-T1L deliver 10 Mb/s over a single twisted pair, they differ in reach, encoding, topology, and application focus.
Choosing a High-voltage Oscilloscope Probe for SiC/GaN Power Semiconductor Device Measurements
Wide-bandgap power devices demand high bandwidth and superior CMRR, making probe selection critical for accurate high-voltage upper-side measurements.
Eliminating DC Resistively Coupled Noise: A Signal and Power Integrity Tutorial
While split ground planes can reduce low-frequency resistive cross talk, differential signal routing provides a more robust and lower-risk solution.
Inductively Coupled Noise and Resistively Coupled Noise: A Signal and Power Integrity Tutorial
Understanding how return currents create inductive switching noise and low-frequency resistive crosstalk is essential to designing low-noise ground planes.
Basics of Power Conversion: Power Semiconductors
Power conversion relies on fast-switching MOSFETs and IGBTs that use low-voltage gate-drive signals to control high-voltage, high-current switching efficiently.
Build Your Own Low-Cost Power Rail Probe
A simple 50-ohm source series termination enables accurate, low-cost power rail measurements without the reflections caused by direct coax connections.
Pre-compliance EMC Testing Using a Real-time Oscilloscope
A real-time oscilloscope can help engineers identify EMI sources and reduce radiated emissions before submitting products for costly FCC compliance testing.
Transmission Lines for Oscilloscope Users, Part 2
Understanding instantaneous impedance and reflection coefficients explains why transmission line discontinuities distort oscilloscope measurements.