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

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.

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.

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.

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.

PCIe 5.0 Protocol Analyzer and Exerciser

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

DDR4 Functional/Protocol Debug and Analysis Reference Solution

When DDR4 memory systems don’t behave as expected, Keysight’s DDR4 functional/protocol debug and analysis solution provides trace capture and analysis, enabling the insight needed to understand system behavior and get to the root cause of system issues.

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 Oscilloscope of the Future

Imagine the oscilloscope of the future — all test instruments within a single box: oscilloscope, spectrum analyzer, function generator, frequency response analyzer, logic analyzer, protocol analyzer, counter, and digital voltmeter (DVM).

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.

P5578CTSA PCIe 6.0 Protocol Compliance Test Suite

PCI Express® (PCIe®) protocol compliance testing verifies that a device under test (DUT) adheres to the behavioral, architectural, and protocol requirements defined by the PCIe 6.0 Link and Transaction Layer specifications.

Automated Creation of Network Digital Twins

Digital twin technology offers significant value to an organization as it allows continuous access to the digital replica of a physical object or process throughout its lifecycle.

PCIe Protocol Test Demo

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

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.

Validate Your PCIe® Designs Faster

With the proliferation of PCIe applications, the need for reliable, quick-to-deploy protocol debug tools has become critical for validation labs. Learn how you can debug, validate and optimize your PCIe systems.

D9010EMBP Embedded Protocol Decode and Trigger Software

Data sheet for D9010EMBP embedded protocol decode and trigger for Infiniium oscilloscopes

B4661A Memory Analysis Software for Logic Analyzers

With the B4661A memory analysis software and a Keysight logic analyzer, users can monitor DDR3/4 or LPDDR2/3/4 systems to debug, improve performance, and validate protocol compliance.