Equivalent-Time Sampling Oscilloscopes

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Accuracy for High-speed Digital Designs

Equivalent-time (sampling) oscilloscopes are also known as digital communication analyzers (DCA). They are designed to visualize and analyze the analog properties of high-speed signals used in data center and wireline telecom applications. The Keysight DCA platform features a wide variety of optical, electrical, and TDR/TDT modules, compliance applications, and a common FlexDCA user interface to ensure more efficient testing in both R&D and manufacturing. Due to an ultra-low jitter and low-noise acquisition system, the Keysight DCA series provides measurement accuracy for high-speed digital designs including 400G/800G Ethernet and Fibre Channel.

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Find the Keysight DCA Series that's Right for You

Our DCA series and supporting instruments are built upon technology to give you precise electrical, optical, and TDR/TDT measurements. The DCA-X and DCA-M series oscilloscopes leverage a common user interface (FlexDCA) which ensures the same measurement algorithms are used across all configurations.

DCA-M

1 Gb/s to 64 Gbaud

Completely integrated instruments with optical, electrical, and/or CDR built into a small form factor

DCA-X and Modules

20 GHz to >110 GHz

Modular instrument where bandwidth, channel count, and channel type are configurable with various modules

Electrical and Optical Clock Recovery

50 MBd to 64 GBd (NRZ and PAM4)

Flexible, compact, high-sensitivity clock recovery designs with an integrated, amplified optical-to-electrical (O/E) converter

Optical Test Optimization Solutions and N1002A

Test Optimization Solutions for 800G/1.6T

FlexOTO software allows you to create high channel count test systems used for production and design validation and drive down cost-of-test.

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Laptop displaying PAM-4 analysis software

FlexDCA Software

Keysight's N1010A FlexDCA is the software that runs on the Keysight DCA Series of sampling oscilloscopes. It controls the measurement hardware both as a local user interface and for remote control. In addition to acquiring data and making measurements, FlexDCA encompasses powerful tools that boost productivity and provide insights into root causes of issues with the signal or device under test.

FlexDCA continues to evolve for applications such as:

research and design verification of electrical transmitters (ASICs, FPGAs, PHYs)
research, development, and manufacturing of optical transmitters/transceivers
analysis of reflections and transmission characteristics of electrical components and channels
general-purpose analysis of analog and digital signals

Equivalent-Time versus Real-Time Oscilloscopes

In the past, deciding between an equivalent-time sampling oscilloscope and a real-time oscilloscope was a matter of determining your bandwidth requirements. However, with today’s high-performance instruments, that distinction isn’t as clear.

Learn about the differences between the sample and trigger architectures of these oscilloscopes, along with the advantages and disadvantages of each.

Real-time and equivalent-time sampling oscilloscopes

Extend Your Capabilities With The Right Tools

Technology is constantly changing. So too are the requirements faced by engineers. Get more functionality out of your existing hardware today by complementing it with the right accessories to improve productivity and the right Keysight PathWave design and test automation software to accelerate your product development.

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