Universal Serial Bus (USB)

Keysight solutions can help you thoroughly test your USB interfaces in accordance with the USB standard and ensure the interoperability of your devices.

Keysight Streamline Series USB Instruments

Increase efficiency in your development process!

Don’t Stop with S-Parameters: 5 Essential VNA Measurements for Modern RF Devices

This white paper goes over some of the critical vector network analyzer (VNA) measurements you must master to prepare for the next generation of RF devices.

Network Analyzer Products Catalog

Market-leading Keysight network analyzers help you characterize passive devices to leading-edge microwave designs. Find out which hardware and software best meet your needs.

Network Analyzer Rental Products Catalog

Market-leading Keysight network analyzers help you characterize passive devices to leading-edge microwave designs. Find out which hardware and software best meet your needs.

Keysight USB Vector Network Analyzers

Discover Keysight USB Vector Network Analyzers, delivering benchtop‑grade performance in a compact, portable form factor. With up to six ports, optional integrated sources, and frequency coverage up to 53 GHz, USB VNAs provide essential network analysis for space‑constrained labs and field‑ready environments.

Streamline Series USB Vector Network Analyzers

Keysight Streamline Series: Exceptional performance in a small package. The compact USB vector network analyzer (VNA) is an affordable full 2-port VNA which dramatically reduces the size of test.

Streamline Series P9370A & P9371A USB Vector Network Analyzer

Keysight Streamline Series: Exceptional performance in a small package. The compact USB vector network analyzer (VNA) is an affordable full 2-port VNA which dramatically reduces the size of test.

Why People Go with Keysight USB Vector Network Analyzers

Read the top 5 reasons people choose Keysight Streamline Series USB Vector Network Analyzers to increase efficiency in their development processes.

Streamline Series P937XA USB Vector Network Analyzer 2-port, Up to 26.5 GHz

Keysight Streamline Series: Exceptional performance in a small package. The compact USB vector network analyzer (VNA) is an affordable full 2-port VNA which dramatically reduces the size of test.

Network Analyzer Architectures

Having a basic understanding of a network analyzer’s capabilities and operation enables an operator to derive optimum performance. Learn more!

Vector Network Analyzers Catalog

Explore the comprehensive range of Keysight vector network analyzers engineered to enable you to validate designs, characterize components, and ensure production quality. This catalog highlights benchtop, modular, USB, and handheld VNAs across Essential, Expert, and Pro performance grades with up to 4 sources and frequency coverage up to 67 GHz.

Vector Network Analyzers

Learn about Keysight's broad offering of vector network analyzers. This technical overview includes the product details to help customers select the VNA that is right for their application.

Using USB in the Test and Measurement Environment

Find out the benefits of using a universal serial bus (USB) in the test and measurement environment, and learn how to use USB as test system connectivity options.

N4377A Lightwave Detector

The N4377A Lightwave Detector is a USB-powered optical-electrical converter with built-in optical power meter capability. It enables frequency domain applications in photonics.

Keysight Vector Network Analyzers

Keysight Vector Network Analyzers (VNAs) deliver high accuracy, fast insights, and flexible connectivity for applications ranging from basic network analysis to complex nonlinear characterization.

PXI Vector Network Analyzer

This configuration guide describes standard configurations, options, accessories, upgrade kits and compatible peripherals for the M937xA PXIe vector network analyzers.

Scalar Network Analysis with U2000 Series USB Power Sensors

This paper explains how to make accurate scalar network analysis measurements using Keysight’s U2000 Series USB Power Sensors. See how!

Vector Network Analyzers Buying Guide

This guide helps engineers choose the right Keysight vector network analyzer by comparing Essential, Expert, and Pro performance grades. It explains frequency range, number of sources, dynamic range, port configuration, and receiver sensitivity to support accurate S‑parameter testing, active device characterization, and next‑generation RF system design.

Vector Network Analyzers

An interview with Dr. Joel Dunsmore, a world-renowned scientist and author on the topic of vector network analyzers (VNAs). In the video, Dr. Dunsmore discusses the theory of VNAs, as well as practical tips for using them. He covers a wide range of topics, including the different types of VNAs, how they work, and how they can be used to characterize passive and active devices.