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An AI Agent on the RF Bench: The Power Budget Is the Guardrail

An AI Agent on the RF Bench: The Power Budget Is the Guardrail

At EuMW 2026, Keysight showed an AI agent driving a source, asignal analyser and a ZX60-24A-S+ amplifier through a harmonics test.The key engineering content was a written power budget: −10...

Oct 15, 2026Brownkeys SignalByThomas
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Microsoft Rallies, Chips Fall: The AI Infrastructure Divide After the US Midterms

Microsoft Rallies, Chips Fall: The AI Infrastructure Divide After the US Midterms

Microsoft rallied as chip stocks fell after the US midterms. An engineering view of the divide: data-center permits, power delivery, financing and the gap between planned capacity and paying customers.

Nov 5, 2026Brownkeys SignalByThomas
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Europe Is Weak in AI Narrative. But at Embedded World, I Saw Something Different.

Europe Is Weak in AI Narrative. But at Embedded World, I Saw Something Different.

"FPGA & SoC. Made in Germany." No AI slogans. No hype. Just modules. At Embedded World, the Trenz Electronic booth was easy to walk past. But it was showing exactly...

May 16, 2026Brownkeys SignalByThomas
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The Most Honest Line at EuMW 2026: An AI Agent’s Instruction File for Keysight ADS

The Most Honest Line at EuMW 2026: An AI Agent’s Instruction File for Keysight ADS

Keysight’s agentic AI demo built a 50 Ω thru in ADS from a chatrequest. The instruction file behind it admitted that an earlier draft usedAPI calls that do not exist,...

Oct 19, 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...

Apr 13, 2026Brown keys
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Reading the Manual vs Reading the Trace: Anritsu's AI-Powered VNA at 220–330 GHz

Reading the Manual vs Reading the Trace: Anritsu's AI-Powered VNA at 220–330 GHz

At EuMW 2026, Anritsu showed its Tensor VNA, billed as the first AI-powered VNA, running a WR-3.4 thru from 220 to 330 GHz. Today the assistant reads the manual: setup,...

Oct 12, 2026Brownkeys SignalByThomas
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Virginia Diodes 300 GHz Dual Polarization OTA Link at EuMW 2025: 63 Gbps Over the Air — and What the Demo Doesn't Show You

Virginia Diodes 300 GHz Dual Polarization OTA Link at EuMW 2025: 63 Gbps Over the Air — and What the Demo Doesn't Show You

285 GHz. 12.5 GHz bandwidth. Dual polarization H+V. 63 Gbps. Live OFDM error summary on a Keysight UXR real-time oscilloscope. The Virginia Diodes demo at EuMW 2025 was the most...

May 8, 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...

Mar 14, 2026Brown keys
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Observations on the Future of Test & Measurement and Embedded Systems--Embedded World 2026

Observations on the Future of Test & Measurement and Embedded Systems--Embedded World 2026

Embedded World 2026 revealed a major shift in the embedded industry: systems are rapidly evolving from traditional control electronics into intelligent edge computing platforms. From the rise of Edge AI...

Mar 14, 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,...

May 1, 2026Brownkeys SignalByThomas
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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...

Apr 16, 2026Brown keys
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Aaronia AG at a Microwave Show: 3 THz/s Sweep Speed — World Record via USB, and What That Actually Means

Aaronia AG at a Microwave Show: 3 THz/s Sweep Speed — World Record via USB, and What That Actually Means

"World Record Sweep Speed via USB." That's what the red banner said on Aaronia's curved multi-panel display. 3 THz/s. 490 MHz RTBW. 40 FPS. Here's what those numbers mean in...

May 3, 2026Brownkeys SignalByThomas
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DC to 40 GHz in Real Time: What the TDEMI ULTRA Is Actually Claiming

DC to 40 GHz in Real Time: What the TDEMI ULTRA Is Actually Claiming

A table lamp as the device under test. A spectrum from DC to 40 GHz captured in real time. The Gauss Instruments TDEMI ULTRA Series isn't modest about what it...

Apr 23, 2026Brownkeys SignalByThomas
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World’s Fastest Real-Time Spectrum Analysis? Aaronia’s RF Beast at Ham Radio 2025

World’s Fastest Real-Time Spectrum Analysis? Aaronia’s RF Beast at Ham Radio 2025

A deep dive into Aaronia’s triple-screen RTSA demo at Ham Radio 2025 — showcasing 3.2 THz/s sweep speed, AI signal classification, and field-ready spectrum analysis.

Jul 7, 2025Brown keys
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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...

Apr 18, 2026Brown keys
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One Connection, Four Views of an Amplifier: Notes From the Tensor VNA Demo at EuMW 2026

One Connection, Four Views of an Amplifier: Notes From the Tensor VNA Demo at EuMW 2026

At EuMW 2026, Anritsu's Tensor VNA ran compression, gain at compression, IP3 and a two-tone IMD spectrum from a single connection. A channel-by-channel read of the screen shows what each...

Oct 10, 2026Brownkeys SignalByThomas
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