Keysight Clock Recovery Systems

Videos

This video introduces Keysight Sampling Oscilloscope Clock Recovery units, engineered to provide reliable, high‑fidelity synchronization for high‑speed optical and electrical signal analysis. These clock recovery solutions significantly improve the accuracy of eye‑diagrams, jitter measurements, and standards‑compliant testing by extracting the timing reference directly from the data signal. Compliance standards such as IEEE 802.3 Ethernet and OIF‑CEI require external clock recovery to ensure accurate and repeatable measurements, making these systems essential in modern validation workflows.

Keysight clock recovery systems support both NRZ and PAM4 modulation formats at data rates up to 64 GBaud, minimizing timing uncertainty and revealing subtle impairments in advanced communication links. Their precise loop‑bandwidth control enables engineers to emulate real receiver behavior, follow standards‑based clock‑recovery specifications, and observe how devices respond to jitter, wander, and long‑term frequency variations. These capabilities are critical for validating next‑generation datacenter interconnects, high‑speed serial links, and optical transceiver subsystems.

Integration with Keysight sampling oscilloscopes and associated software enables coordinated optical‑electrical conversion, clock recovery, instrument control, and automated test sequencing. Engineers can focus more on analysis while the system maintains tight synchronization across instruments. Advanced jitter‑spectrum analysis tools—including integrated step generators and low‑noise 14‑bit ADCs—allow users to identify the root causes of jitter, evaluate transmitter and channel behavior, and optimize link‑design performance.

Keysight clock recovery systems support electrical‑only or combined optical/electrical configurations. With maximum data‑rate support up to 64 GBaud, multi‑mode and single‑mode optical inputs, and compatibility with NRZ and PAM4 signals, these systems provide a complete foundation for next‑generation compliance testing in communication R&D and manufacturing environments.
 

Key features include:

  • Clock Recovery Capabilities: Extract timing from data signals for accurate measurements and standards‑compliant validation.
  • NRZ & PAM4 Support: Analyze signals up to 64 GBaud for both NRZ and PAM4 systems, minimizing timing errors.
  • System Integration: Synchronize with optical‑electrical converters and software for unified control and automated workflows.
  • Jitter Spectrum Analysis: Identify root causes of jitter using integrated step generators and low‑noise 14‑bit ADCs.
  • Standards Compliance: Precise clock recovery measurements ensure compliance with standards such as IEEE 802.3 Ethernet, Fibre Channel, and OIF-CEI.
     

Keysight Clock Recovery units deliver reliable synchronization, advanced jitter analysis, and standards‑compliant loop behavior—providing the timing foundation required for validating optical and electrical communication devices in modern datacenters and high‑speed digital infrastructures.