EasyManua.ls Logo

Symmetricom X72 - User Manual

Symmetricom X72
98 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
X72 Rubidium Oscillator
Designers Reference and User Guide
Revision A – November 2004
Part Number 097-10603-01

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Symmetricom X72 and is the answer not in the manual?

Summary

Chapter 1 Description

Overview

Provides a general introduction to the X72 rubidium oscillator, its features, and capabilities.

Specifications

Lists the X72 dimensions, connector pin assignments, absolute maximum ratings, and operating characteristics.

Chapter 2 Design Integration Considerations

Mechanical Considerations

Covers mounting recommendations, connector options, and physical integration of the X72 unit.

Electrical Interface

Details RF outputs, 1PPS input/output, lock signal, service signal, and frequency control signals.

X72 Reliability and Maintenance

Discusses the design life goal, serviceability, and indicators for pending end-of-life.

Chapter 3 Installation and Operation

Installation

Provides guidance on site selection, turn-on procedure, and recommended hook-up diagrams.

Troubleshooting

Offers checks and solutions for common issues preventing output or rubidium oscillator lock.

Appendix A X72 J1 Connector and Plug

Edge Board Pinout

Details the pin assignments for the X72 connector and adapter edge boards.

Appendix B Symmetricom Serial Interface Protocol

Using the Symmetricom Serial Interface Protocol

Explains the SSIP for external communication, including setup, data formats, and commands.

Appendix C Using the X72 Developers Kit

X72 Development Kit Hardware

Describes the components and setup of the X72 development kit for lab testing and evaluation.

Appendix D One Pulse Per Second Source Connection

Connection Requirements

Lists the necessary connections: power, GPS antenna, and 1PPS source for setup.

X72 1 PPS Algorithm Operation

Explains how the X72 synchronizes to 1PPS input, including damping factor and tau settings.

The “j” Command

Details how to retrieve 1PPS state and delta register values using the 'j' command.

Summary

Chapter 1 Description

Overview

Provides a general introduction to the X72 rubidium oscillator, its features, and capabilities.

Specifications

Lists the X72 dimensions, connector pin assignments, absolute maximum ratings, and operating characteristics.

Chapter 2 Design Integration Considerations

Mechanical Considerations

Covers mounting recommendations, connector options, and physical integration of the X72 unit.

Electrical Interface

Details RF outputs, 1PPS input/output, lock signal, service signal, and frequency control signals.

X72 Reliability and Maintenance

Discusses the design life goal, serviceability, and indicators for pending end-of-life.

Chapter 3 Installation and Operation

Installation

Provides guidance on site selection, turn-on procedure, and recommended hook-up diagrams.

Troubleshooting

Offers checks and solutions for common issues preventing output or rubidium oscillator lock.

Appendix A X72 J1 Connector and Plug

Edge Board Pinout

Details the pin assignments for the X72 connector and adapter edge boards.

Appendix B Symmetricom Serial Interface Protocol

Using the Symmetricom Serial Interface Protocol

Explains the SSIP for external communication, including setup, data formats, and commands.

Appendix C Using the X72 Developers Kit

X72 Development Kit Hardware

Describes the components and setup of the X72 development kit for lab testing and evaluation.

Appendix D One Pulse Per Second Source Connection

Connection Requirements

Lists the necessary connections: power, GPS antenna, and 1PPS source for setup.

X72 1 PPS Algorithm Operation

Explains how the X72 synchronizes to 1PPS input, including damping factor and tau settings.

The “j” Command

Details how to retrieve 1PPS state and delta register values using the 'j' command.

Symmetricom X72 Specifications

General IconGeneral
Frequency Range10 MHz
Output Power+13 dBm
Operating Temperature0°C to +50°C
Output Signal TypesSine
Phase Noise-130 dBc/Hz at 10 Hz offset
Dimensions51 mm x 127 mm x 147 mm

Related product manuals