Digital Protocol Analyzers Catalog

Explore the comprehensive range of Keysight digital protocol analyzers engineered to capture, decode, and validate high‑speed digital interfaces. This catalog highlights portable logic analyzers, DDR memory analyzers, and PCIe/CXL protocol solutions across multiple performance classes for embedded design, memory validation, and serial protocol compliance testing.

Keysight DDR Logic Analyzers

Keysight DDR Logic Analyzers provide modular high-speed memory protocol testing and debugging capabilities for DDR and LPDDR system validation.

P5552A PCI Express Protocol Analyzer

P5552A PCIe 5.0 Protocol Analyzer

PCIe 5.0 Protocol Analyzer and Exerciser

Randy Garrett demos the Keysight PCIe 5.0 Protocol Analyzer and Exerciser solution, include P5552A and P5551A.

P5570A PCI Express Protocol Analyzer for PCIe 6.0

P5570A PCIe Protocol Analyzer enables deep protocol analysis of PCIe systems in a form factor that is easy to deploy on the lab bench and offers unparalleled signal integrity

U4431A MIPI M-PHY Protocol Analyzer

The U4431A MIPI M-PHY Protocol Analyzer provides broad and deep insight into mobile computing designs. Integrate up to 5 modules (M-PHY, D-PHY, PCI, DDR, high-speed logic, and HDMI) in one module.

The I2S Protocol and Why Digital Audio is Everywhere

Establishing a standard for communication between digital audio circuits is essential for the development and spread of digital audio systems

The I2S Protocol and Why Digital Audio is Everywhere

Digital audio brings sound to many applications that we take for granted. This blog explores I2S and I2C, the main channels of communication between audio chips.

P5762A Protocol Analyzer Module for PCIe® 7.0

The Keysight P5762A PCIe® 7.0 Protocol Analyzer gives engineers deep insight into protocol behavior at speeds up to 128 GT/s, helping accelerate validation and debug. By capturing and decoding traffic across all PCIe layers, it enables faster issue identification, performance analysis, and interoperability verification.

U4431A Protocol Analyzer for MIPI™ M-PHY Interfaces

The U4431A MIPI M-PHY Protocol Analyzer provides broad and deep insight into mobile computing designs. Integrate up to 5 modules (M-PHY, D-PHY, PCI, DDR, high-speed logic, and HDMI) in one module.

U4421A MIPI® D-PHY™ Protocol Exerciser/Analyzer

Use the U4421A MIPI D-PHY Interface Analyzer and Stimulus Module to easily debug and integrate MIPI D-PHY CSI-2 or DSI interfaces and gain insight from real-time video streaming to bit level output.

Illuminate High-Speed PCIe Lanes with Protocol Analyzers

Testing the performance of devices that blast 256 gigabytes of data every second seems daunting. Unlock the full potential of your AI data center with advanced protocol analyzers.

PCIe 6.0 Protocol Testing

“PCIe 6.0 Protocol Testing” discusses the use of a protocol analyzer to capture, decode, and analyze PCIe 6.0 data packets, ensuring compliance and performance.

Digital Testing Using Logic Analyzers - Course Overview

This one-day demonstration based covers theory of operation, state and timing mode, configuration setup, basic triggering, advanced triggering, and intermodule bus triggering.

Keysight DDR5 Protocol Solutions

Explore DDR5 protocol solutions with Keysight’s U4164A logic analyzer. Learn about interposers, data acquisition, B4661A software, compliance testing, and performance analysis for effective system validation.

5G Protocol Conformance Toolset

The 5G Protocol Conformance Toolset provides up-to-date and comprehensive access to 5G protocol conformance test cases as defined in 3GPP TS 38.523-1 (5GS) and 3GPP TS 34.229-1 (IMS) to ensure mobile devices perform as expected on a live mobile network. These test cases are based on the latest TTCN-3 test specification from 3GPP RAN5 required for device certification and support all GCF and PTCRB mandated frequency bands in both sub-6GHz (FR1) and mmWave (FR2) frequencies. The 5G Protocol Conformance Toolset is part of Keysight’s 5G Network Emulation Solution portfolio. A compact solution that supports the entire protocol testing needs of the GCF and PTCRB certification bodies, the 5G Protocol Conformance Toolset easily scales with the Keysight 5G RF/RRM Toolset to facilitate mobile device verification and certification across radio frequency (RF), radio resource management (RRM) and protocol.

PCIe Protocol Test

PCI Express® technology is implemented broadly in systems requiring high-speed data transfer, such as video or graphics. Keysight's PCIe protocol solutions provide a complete PCIe 5.0 test path with a PCIe protocol analyzer and a PCIe exerciser. The integrated design boosts signal integrity and provides outstanding versatility.

S8704A Protocol Conformance Toolset

The Technical Overview describes the S8704A Protocol Conformance Toolset and its features and capabilities.

PCIe Protocol Test Demo

Randy Garrett demonstrates Keysight's P5551A Protocol Exerciser and P5552A Protocol Analyzer solutions for protocol testing PCIe interconnects.

PCI Express® Protocol Triggering

Keysight's Infiniium PCIe protocol viewer software enables integrated oscilloscope-based protocol analysis that provides time-correlated views of physical layer and transaction layer errors.