Measurement Fundamentals

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Digital and RF Measurement Education

Improve your understanding of digital and RF design and test by learning with metrology and measurement experts. Learn the basics of RF measurement, design and simulation techniques. Find out how to cut through the challenges of gigabit digital designs. Explore digital and RF measurement videos, application notes, technical seminars and technology/product videos.

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Metrology and Calibration

Feel confident that Keysight metrology is behind every measurement you make.

Measurement Confidence

Know that every measurement is traceable to National Metrology Institutes (NMIs) through Keysight-engineered calibration procedures that verify instrument specifications.

Advanced Metrology

Rely on Keysight engineers who work with the NMIs to develop rigorous measurement techniques in engineering metrology and emerging technologies.

Engineering metrology assists with metrology and measurement

Metrology Expertise

Stay up-to-date on changing compliance requirements and their practical applications by working with Keysight metrologists who collaborate with international standards organizations.

Metrology Events

Expand your metrology network while learning at the same time by attending upcoming events.

Learn about Measurement Uncertainty and Risk

Application Notes 2019.11.01

Pass / Fail Decision Rules of Keysight Calibration Services

This application note explains the Pass / Fail decision rules Keysight uses for any instrument undergoing calibration services.

2019.11.01

Application Notes 2018.12.11

Using Calibration to Optimize Performance

Keysight can help ensure you get the calibration you expect (and deserve), and improve effective measurement performance through innovative use of calibration.

2018.12.11

White Papers 2018.12.07

Uncertainty Analysis for Uncorrelated Input Quantities and a Generalization Welch-Satterthwaite Formula

The Guide to the Expression of Uncertainty in Measurement (GUM) has been widely adopted in the different fields of the industry and science. Learn how to use for uncorrelated input quantities.

2018.12.07

White Papers 2019.01.04

Rayleigh Distribution and Mismatch Uncertainty

Learn techniques for estimating realistic mismatch uncertainty, which gives a three to six times lower estimate of mismatch uncertainty vs. other techniques.

2019.01.04

White Papers 2018.12.05

Establishing Traceability for Quantities Derived from Multiple Traceable Quantities

Provides method of developing traceability for measurements (eg. phase noise) that have no SI units.

2018.12.05

White Papers 2018.12.03

Calibration Process Innovation Using Non-Required Guard Banded Testing

Calibration services vary as to how to set the acceptance limits compared to the required tolerance. Using a guard band to reduce the acceptance limit will increase the confidence in the calibration.

2018.12.03

White Papers 2018.12.05

Isolate Analyzing and Sourcing Errors

This article describes methods to evaluate counters and sources for reference interference. Learn to isolate analyzing and sourcing errors.

2018.12.05

White Papers 2018.12.13

Using a Manufacturer’s Specification as a Type B Error Contribution

Examines these issues in the informal context of a Pachinko gambling device. As a result, it will become clear why an uncertainty analysis (employing TYPE B data) is a worst case analysis.

2018.12.13

Application Notes 2018.12.03

Understanding Measurement Risk

An intuitive explanation of these probability density functions drawing on Monte Carlo simulation to demonstrate the relationship between a device’s true value and the corresponding measured value. Keywords: measurement risk, calibration, metrology, monte carlo

2018.12.03

White Papers 2018.12.18

A Guard-Band Strategy for False-Accept Management

This paper presents a guard-band strategy for managing false-accept risk. Learn how to avoid the risk of incorrectly declaring a device as in-tolerance.

2018.12.18

White Papers 2018.12.11

Standard Specifications – Instrument Characteristics

This paper discusses the arcane language used in describing a product's characteristics and helps you understand the importance of instrument test specifications.

2018.12.11

White Papers 2018.12.13

ATE System Calibration

System level calibration impacts cost, quality and schedule. Learn how alternative methods provide system level calibration for multiple products.

2018.12.13

Application Notes 2019.04.18

Digital Multimeter Ratio Measurement Techniques

This paper compares three ratio measurement techniques by using DMM for determining the traceable value and measurement uncertainty of unknown input.

2019.04.18

Technical Overviews 2018.12.16

Specifications Guidelines

Keysight Technologies has definitions for its Test & Measurement product specifications and how they are presented. The following material is extracted from these manufacturing recommendations.

2018.12.16

Fundamentals of Electronic Test and Measurement

Browse the application notes, seminars, and training classes here for measurement techniques and be sure to visit our Keysight forums for the latest discussions.

Additional Resources

Measurement Uncertainty Calculation

Free Standards for Measurement Professionals

Network Analysis

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Metrology and Measurement

Digital and RF Measurement Education