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M8000 Series Bit Error Ratio Testers

Master your next designs

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Highlights

Specifications

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M8000 Series Highlights

Take the Express Lane to Design Verification

Simplified, time-efficient testing is essential when you are developing next-generation computer, consumer, or communication devices. The Keysight M8000 Series is a highly-integrated bit error ratio (BER) test solution for physical layer characterization, validation, and compliance testing. With support for a wide range of data rates and standards, the M8000 Series provides accurate, reliable results that accelerate your insight into the performance margins of high-speed digital devices.

Shift into high gear with the M8000 Series and take the express lane to design verification.

Pulse amplitude modulation 4 (PAM4) and non-return-to-zero (NRZ) formats software-selectable using one piece of hardware
NRZ data rates from 2 to 64 Gbit/s pattern generation and error analysis
PAM4/6/8 data rates from 2 to 120 GBd pattern generation and up to 120 GBd error analysis (when used with a UXR-Series oscilloscope)

Built-in clock / data recovery and equalization from 2 to 120 Gbaud
Integrated de-emphasis and adjustable intersymbol interference (ISI)
Multi-channel capabilities
Flexible hardware ensures investment protection as your application needs change

Receiver Characterization and Compliance Testing

Keysight’s bit error ratio test (BERT) system enables the most accurate physical-layer design verification of high-speed communication and multigigabit digital interfaces. Our expert-level support will help you select the high-performance hardware, control software, receiver test, and automation tools needed to help you master your design.

Whether you are working on data center or computing interface technologies, Keysight BERTs offer the most comprehensive choices, from affordable manufacturing test to high-performance characterization and compliance test.

The Keysight BERT supports symbol rates up to 120 Gbaud with non-return-to-zero and pulse amplitude modulation 4/6/8 coding schemes. It also supports digital interfaces such as PCI Express®, USB, MIPI, Thunderbolt, DisplayPort, SATA / SAS, electrical and optical Ethernet 10G / 100G / 400G / 800G / 1.6T, OIF-CEI, Fibre Channel, and PON.

Related use cases

How to Characterize and Test DDR5 Receiver Compliance

Test DDR5 receiver compliance with precision. Ensure high performance and accuracy in DDR5 designs. Learn more on Keysight's official page!

How to Optimize 800G Optical Transceiver Manufacturing Tests

Manufacturing testing optical data center transceivers requires efficient analysis of TDECQ measurements. Learn how parallel data acquisition and analysis increases throughput to save cost of high-volume testing.

How to Test USB4 Version 2.0 Receiver Compliance

USB4 Version 2.0 receiver testing requires precise stress signal calibration, consistently repeatable pattern generation, and bit error rate measurements. Learn how to perform a USB4 Version 2.0 receiver compliance test using a bit error ratio tester (BERT), a high-bandwidth oscilloscope, USB receiver test application software, and the USB-IF SigTest utility.

How to Perform DDR5 System Validation

Validating DDR5 devices and systems requires protocol layer testing with a logic analyzer and analysis software. Learn how to perform DDR5 protocol layer analysis and validate your DDR5 system using a logic analyzer, memory analysis software, and probes with BGA interposers.

How to Test and Debug DDR4 Systems

Engineers implementing DDR4 systems and memory require a solution that provides trace capture and analysis, enabling insights needed to understand system behavior. Learn how to test your DDR4 memory system’s performance and protocol functionality analysis for complete compliance.

How to Analyze PAM4 Receiver Signals

Analyzing PAM4 signals requires multiple-bit error rate (BER) and symbol error rate (SER) measurements. Learn how to characterize a PAM4 signal at the receiver fully.

How to Test 400G / 800G Electrical Receiver Conformance

Conformance testing for electrical Ethernet links require bit error rate and forward error correction testing using a bit error ratio tester and high-bandwidth oscilloscopes. Learn how to prove receiver interoperability and conformance to IEEE and OIF specifications at 53 GBd PAM4 signaling using receiver compliance test tools to automate the process.

How to Test PCIe® 5.0 Transmitter Compliance

Verifying Peripheral Component Interconnect Express (PCIe®) 5.0 transmitter compliance involves physical layer signal quality and transmitter equalization testing using a high-bandwidth oscilloscope. Learn how to quickly test for compliance using an automated PCIe 5.0 test solution.

How to Test PCIe® 5.0 Receiver Compliance

Verifying Peripheral Component Interconnect Express (PCIe) receiver compliance involves testing the PCIe® 5.0 device's receiver performance with a bit error ratio tester. Learn how to calibrate your stress signal and test for PCIe 5.0 receiver compliance with automated test tools.

How to Test PCIe® 6.0 Receiver Compliance

Testing PCI-SIG devices requires robust receiver compliance validation to certify PCIe® 6.0 device interoperability at 64 GT/s with PAM4 signals. Learn how to calibrate your stress signal and test for PCIe 5.0 receiver compliance with automated test tools.

How to Test USB4 Receiver Compliance

Testing physical layer (PHY) USB4 electrical performance requires executing conformance tests defined by the Universal Serial Bus Implementers Forum (USB-IF). Learn how to tune and calibrate a bit error ratio tester's (BERT) stress signal amplitude, channel equalization, and insertion loss to achieve accurate stress conditions required for conformance testing.

Key Specifications

Data Rate

2 to 120 GBd

Integrated Technologies

ISI, Clock Recovery, Equalization,
De-emphasis

Channels

1 to 10

Want to see more specifications?

Get M8050A Datasheet

Get M8040A Datasheet

Get M8020A Datasheet

Find The Model That's Right For You

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Ant.

M8050A

M8050A 120 Gbaud High-Performance BERT

A partir de

Line Coding:

NRZ

PAM3

PAM4

PAM6

PAM8

Standards :

IEEE 802.3dj

IEEE 802.3ck

OIF-CEI-112G

OIF-CEI-224G

USB4

USB4v2

Taxa de amostragem máxima: N/A

M8040A

M8040A 64 GBaud High-Performance BERT

A partir de

Line Coding:

NRZ

PAM3

PAM4

Standards :

PCIe 5.0

USB4

CCIX

SATA

SAS

PON

64G/128G FC

100/200/400 GbE

OIF-CEI-56G/112G

Taxa de amostragem máxima: 64.8 GBd

M8020A

M8020A J-BERT High-Performance BERTs

A partir de

Line Coding:

NRZ

Standards :

PCIe 4.0

USB 3.2

SATA 6G

SAS 24G

SD-UHS II

TBT

MIPI

DDR5

PON

64G FC

10/40/100 GbE

OIF-CEI-26G

Taxa de amostragem máxima: 32.4 Gb/s

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Avançar

Pulse Amplitude Modulation (PAM)

The 400 Gigabit Ethernet (GE) standards define four-level PAM (PAM4) multilevel signaling as a recommended modulation format to implement serial 400GE data center interfaces. This is an evolution from the two-state NRZ modulation used in 100GE. PAM4 effectively doubles the data rate for a link bandwidth at the expense of reduced signal to noise ratio (SNR).

You require new measurements to characterize impairments that were not an issue in previous NRZ designs. We can help you ensure accurate and repeatable results to accelerate the development of your PAM4 interface components and systems.