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Electrical and Optical Clock Data Recovery Solutions

Datenblätter

N4877A Clock Data Recovery and Demultiplexer 1:2

N1075A Optical Pick-Off/Converter

N1070A Optical Clock Recovery Solution

Electrical and Optical Clock Data Recovery Solutions up to 32 Gb/s

  • Synchronization for receiver bit-error-ratio (BER) testing and transmitter waveform analysis
  • Continuous tuning from 50 Mb/s to 32 Gb/s
  • Ultra-low residual random jitter: < 100 fs RMS
  • Optical and electrical configurations
  • Golden phase-locked loop (PLL) operation with a tunable loop bandwidth from 15 kHz to 20 MHz for configurable industry-standard compliant test

Electrical and Optical Clock Data Recovery Solutions

Keysight Technologies, Inc. clock data recovery solutions offer an excellent data rate range from 50 Mb/s to 32 Gb/s making them ideal for many transmitter and receiver test setups for computer, datacom as well as communication standards.

The N4877A clock data recovery (CDR) and demultiplexer 1:2 is the core product of Keysight’s CDR offering. Adjustable loop bandwidth and selectable peaking combined with high sensitivity and low intrinsic jitter performance, ensure accurate measurements. The built-in demultiplexer simplifies receiver testing with Keysight’s BER testers (BERT) for data rates above 12.5 Gb/s.

The N1075A optical pick-off/converter provides an optical coupler that picks off optical energy to create an electrical signal for the N4877A CDR and demultiplexer. Together, the two instruments form the N1070A optical clock recovery solution. N1075A and N1070A are available as single-mode and multimode versions.

PLL and Jitter Spectrum Analysis

Use 86100DU-400 software to make fast, accurate and repeatable measurements of phase-locked loop (PLL) bandwidth/jitter transfer. A hardware clock data recovery like the N4877A, N1070A and 83496B can be configured as a jitter receiver which can be combined with a precision jitter source like the J-BERT N4903B to create a PLL stimulus-response test system. PCI Express® approved PLL bandwidth compliance tests and SONET/SDH jitter transfer measurements are preconfigured, with automatic report generation. The 86100DU-400 software also provide insights into the root causes of jitter through phase noise and jitter spectrum analysis on both clock and data signals.

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