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Design DocumentMicrochip

Enhanced Clock Stability for the 1588 Enabled Network

Overview of Vectron oscillators optimized for IEEE-1588 PTP applications, addressing packet delay variation to improve synchronization stability in IP and Ethernet networks.

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Overview

This technical document explores the implementation of the Precision Timing Protocol (IEEE-1588-2008) in IP/Ethernet networks, focusing on overcoming challenges related to Packet Delay Variation (PDV). It details how high-stability oscillators improve client node robustness and reduce overall timing solution costs. The document provides performance specifications for the OX-402, OX-222, and OX-202 series oscillators, including holdover stability of <10ppb and frequencies of 10MHz, 12.8MHz, and 20MHz. Additionally, it outlines time and phase synchronization requirements for wireless standards including LTE, CDMA2000, and WiMAX, while comparing Ordinary Clock and Transparent Clock architectural approaches.

Use Cases

  • LTE and W-CDMA Base Station synchronization
  • WiMAX TDD mode time/phase accuracy
  • IP/Ethernet network timing over Packet Equipment Clocks (PEC)
  • Ordinary and Transparent Clock implementations in 1588 networks
  • Reducing network noise impact in communication applications

Topics

IEEE-1588-2008
PTP
Precision Timing Protocol
Packet Delay Variation
PDV
OX-402
OX-222
OX-202
Holdover Stability
Microchip
Vectron
Network Synchronization

Referenced Parts

OX-202

Vectron International

Vectron Oscillators optimized for 1588 Parameter OX-202

OX-222

Vectron International

Vectron Oscillators optimized for 1588 Parameter OX-222

OX-402

Vectron International

Vectron Oscillators optimized for 1588 Parameter OX-402