Insights & Technical Articles

I Bought a Keysight 40 GHz Signal Generator. Here's Why It Was Overkill.

A test equipment buyer explains why a Keysight 40 GHz signal generator is often the wrong first purchase, and how the search for the best multimeter for home use follows the same rule. [...]
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One Expired Calibration Sticker Cost Us $22,000. Here's What I Do Differently Now.

A quality manager's account of a $22,000 rework caused by an uncalibrated Keysight PNA, failing RF connectors, and a skipped 30-second check—and the prevention-first workflow that emerged from it. [...]
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A Clear Phone That Won’t Turn On: What Your Multimeter Isn’t Telling You

A repair coordinator explains why a seemingly clear phone may not power on, why voltage readings can lie, and how a Keysight Technologies multimeter and a used Keysight power supply help diagnose it fast. [...]
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Keysight Technologies Guide: Calabasas, Chip Shortage, 3210, and How to Reset a Phone

A practical buyer's guide to Keysight Technologies: what it is, the Keysight Calabasas site, chip shortage lead times, the 3210 part number confusion, and how to reset a phone for testing. [...]
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Keysight 33500B Production Test Guide 2025: Three Scenarios for Blood Pressure Monitor Makers

Should you buy a Keysight 33500B for blood pressure monitor production test? This 2025 guide splits the answer into three scenarios—R&D, high-volume line, and small team—with honest, practical buying advice. [...]
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Keysight Buying Decisions: A Cost Controller’s Take on Vector Signal Analyzers, Multimeter 117, and Bronze vs Silver Support

A procurement manager’s honest look at Keysight Technologies locations, vector signal analyzers, transparent smartphone testing, multimeter 117, and bronze vs silver support plans—from a total cost of ownership perspective. [...]
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Why Premium Used Keysight Equipment Is the Smarter Buy in 2025

A quality compliance manager who reviews over 200 instruments a year explains why certified premium used Keysight equipment beats new for most engineering teams — and where it doesn't. [...]
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Keysight Device FAQ: Bi-Directional Power Supply, N5173B, Voltage Drop Calculator, and the Keysight vs Cisco Question

A practical FAQ about Keysight test equipment: what the bi-directional power supply does, how to use a voltage drop calculator, whether the N5173B fits your RF test, and why Keysight vs Cisco is not a direct comparison. [...]
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Quality Is a Chain: Why the Keysight N9040B Only Tells Half the Story

A quality manager explains why a Keysight N9040B and a clean Keysight power supply still depend on the details, including a C210 cordless phone reset and the durability of a DuraForce Pro 2. [...]
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Keysight Switches, a 40 GHz Spectrum Analyzer, and the Best Meter for Electricians: Buyer Notes

An admin buyer's field guide to ordering Keysight equipment: how to choose Keysight switches, when a Keysight spectrum analyzer 40 GHz request is justified, and what a C300 transparent smartphone reference taught me about asking the right questions. [...]
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