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Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

Overview

This RC38312A evaluation kit is used to evaluate the RC38312 FemtoClock™ 3 ultra-low phase noise radio synchronizer, multi-frequency clock synthesizer. The RC38312/RC38112 is an ultra-low phase noise radio synchronizer, multi-frequency clock synthesizer, and digitally controlled oscillator (DCO). This flexible, low-power device outputs clocks with ultra-low in-band phase noise and spurious signals for 4G and 5G RF transceivers and with jitter below 18fs RMS for 112Gbps and 224Gbps SerDes.

Features

  • Four differential clock inputs
  • Twelve differential clock outputs
  • Onboard EEPROM stores startup configuration data
  • XIN terminal can use a laboratory signal generator or OCXO/TCXO/XO components and board
  • Laboratory power supply connectors
  • Serial port for configuration and register readout

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Additional boards that work with this platform. Some may be required for full functionality or to evaluate specific features.

FemtoClock 3 Wireless Ultra-Low Phase Noise Synchronizer and Jitter Attenuator Evaluation Kit

RC38208A-EVK Active
Evaluate ultra‑low phase noise clocking and synchronization for wireless and high‑speed SerDes applications.

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