Product Overview

The SynthePHY is a highly integrated device designed for use in wireless Remote Radio Head (RRH) applications. It provides two independent high-speed, bi-directional, serial to 10-bit parallel interfaces, jitter attenuation of the recovered clock, and a programmable system clock synthesizer unit. The programmable clock synthesizer is synchronized to the recovered clock and provides a variety of low-phase-noise clock sources for RRH system components such as data converters, RF oscillators, and signalprocessing devices. The two serializer-deserializer (SERDES) channels are CPRI, OBSAI RP3, and IR compliant. Integrated hardware support for link delay calculation is also provided.

Benefits
  • Enables implementation of CPRI compliant, OBSAI RP3 compliant, and IR compliant interfaces
  • Generates low-jitter, low-phase-noise clock outputs for driving high performance data converters, RF synthesizers, and DSP subsystems
  • Supports a Serial Peripheral Interface (SPI) control plane interface for device configuration

Example Application: Multi-Standard Remote Radio Module



Remote Radio Head (RRH) Application Diagram

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Product Brief
      Version Issue Date
Locked PDF Document PM7501/PM7502 SynthePHY Programmable System Clock Synthesizer and 2-Port SerDes for Remote Radio Heads Product Brief [226 KB] PMC-2090671 3 2012-02-23
White Papers
      Version Issue Date
Locked PDF Document Improving Clock Performance in Base Stations [504 KB] PMC-2103003 1 2011-06-07