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De-embedding in High-Speed Signal Integrity: Reconstructing the True Signal Beyond the Measurement Channel

De-embedding in High-Speed Signal Integrity: Reconstructing the True Signal Beyond the Measurement Channel

At Embedded World 2026, Tektronix presented something that did not look like a traditional oscilloscope demo. There was no waveform on a large screen, no eye diagram being explained to...

17. Apr 2026Brownkeys SignalByThomas
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Signal Integrity Design Validation: Why PCB Structures Must Be Measured, Not Assumed

Signal Integrity Design Validation: Why PCB Structures Must Be Measured, Not Assumed

At GHz speeds, PCB traces are no longer passive wires — they define signal behavior. Here's how vector network analysis makes that visible, measurable, and fixable.

19. Apr 2026Brownkeys SignalByThomas
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High-Speed Interconnect Testing: Why Signal Integrity Is Critical for Modern AI and Data Systems

High-Speed Interconnect Testing: Why Signal Integrity Is Critical for Modern AI and Data Systems

At high data rates, interconnects are no longer passive connections.PCB traces, connectors, and cables behave as complex analog systems.Signal integrity is becoming a critical factor in modern AI and high-speed...

13. Apr 2026Brown keys
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Power Integrity at PCIM: What OMICRON Lab and Picotest Were Really Asking

Power Integrity at PCIM: What OMICRON Lab and Picotest Were Really Asking

"Is your test bench complete?" That was the question on the wall at the OMICRON Lab and Picotest booth at PCIM. Four live demos — loop gain, output impedance, PSRR,...

1. Mai 2026Brownkeys SignalByThomas
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Why Your Signal Problem Is Actually a Power Problem: The Physics Behind SI/PI Coupling

Why Your Signal Problem Is Actually a Power Problem: The Physics Behind SI/PI Coupling

Power noise does not stay in the power domain. It becomes timing uncertainty, which becomes bit errors. At Embedded World 2026, I watched Tektronix demonstrate why signal integrity and power...

18. Apr 2026Brown keys
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High-Speed Interface Testing for DDR and USB: When Digital Signals Become Analog

High-Speed Interface Testing for DDR and USB: When Digital Signals Become Analog

At DDR5 speeds, one bit lasts 156 picoseconds. At this scale, there is no digital — only analog behavior. At Embedded World 2026, I watched what it takes to keep...

16. Apr 2026Brown keys
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Why Modern Debugging Requires Both Protocol and Physical Layer Analysis?

Why Modern Debugging Requires Both Protocol and Physical Layer Analysis?

Most debugging tools show only part of the story.Oscilloscopes reveal signals.Protocol analyzers decode data.But real problems often exist between the two.

12. Apr 2026Brown keys
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Automotive Ethernet Is Entering the Most Critical Phase of Its Adoption — And Most Engineers Are Not Ready

Automotive Ethernet Is Entering the Most Critical Phase of Its Adoption — And Most Engineers Are Not Ready

At Embedded World 2026, I watched a live Automotive Ethernet eye diagram close in real time. Here's what that means for every team building ADAS and SDV systems — and...

14. Apr 2026Brown keys
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EMC & REGULATORY TESTING OF DUT WITH RADIO FUNCTIONALITY

EMC & REGULATORY TESTING OF DUT WITH RADIO FUNCTIONALITY

An AVM FRITZ!Box WiFi router as the device under test. An instrument rack worth six figures keeping its radio link alive while the EMC measurement runs. The R&S TS8996 solves...

26. Apr 2026Brownkeys SignalByThomas
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Isolated Oscilloscopes: Why They Are Critical for Power Electronics Measurement

Isolated Oscilloscopes: Why They Are Critical for Power Electronics Measurement

Modern power electronics systems challenge traditional oscilloscope design. Shared-ground measurements introduce errors and risks in high-voltage environments. Isolated architectures provide a fundamentally different approach to accurate measurement.

11. Apr 2026Brown keys
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The World's Only Fibre Optic Isolated Oscilloscope: Why Cleverscope CS548 Exists and What It Solves

The World's Only Fibre Optic Isolated Oscilloscope: Why Cleverscope CS548 Exists and What It Solves

How do you measure the high-side gate voltage in a GaN inverter when the switching node swings at 100 V/ns? The Cleverscope CS548 uses fibre optic isolation — 2kV between...

27. Apr 2026Brownkeys SignalByThomas
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10 Real Technology Trends in Test & Measurement

10 Real Technology Trends in Test & Measurement

Embedded World 2026 once again demonstrated how quickly the embedded industry is evolving. Walking through the exhibition halls this year, one could clearly see that embedded systems are no longer...

14. Mär 2026Brown keys
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One Oscilloscope. Four Domains. Why Modern Automotive Debugging Is a System Problem

One Oscilloscope. Four Domains. Why Modern Automotive Debugging Is a System Problem

At Embedded World 2026, one Tektronix demo captured why modern automotive debugging spans four domains: CAN bus, RF/wireless, EMI, and signal integrity — all from a single oscilloscope platform.

16. Apr 2026Brownkeys SignalByThomas
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EMV 2026: The Shift from EMI Receivers to Measurement Architectures

    EMV 2026: The Shift from EMI Receivers to Measurement Architectures

    EMV 2026 in Cologne once again confirmed its position as one of the most important events in the electromagnetic compatibility (EMC) field. Beyond product launches and live demonstrations, this year...

    26. Mär 2026Brown keys
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    Keysight UXA + VDI WR 6.5 at 140 GHz: What a 16-QAM Constellation Actually Tells You

    Keysight UXA + VDI WR 6.5 at 140 GHz: What a 16-QAM Constellation Actually Tells You

    The center frequency read 140.171752297 GHz. 16-QAM. 500 MHz symbol rate. 2 Gbps raw data rate. At the microwave show in the Netherlands, Keysight's UXA and a VDI WR 6.5...

    5. Mai 2026Brownkeys SignalByThomas
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    12-Bit Oscilloscopes: When More Resolution Reveals More — and Demands More

    12-Bit Oscilloscopes: When More Resolution Reveals More — and Demands More

    12-bit resolution gives you 16× more vertical detail than standard 8-bit. But it also amplifies everything your probe introduces. A breakdown of the Yokogawa DLM5058HD demo

    21. Apr 2026Brownkeys SignalByThomas
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