5071B Cesium Primary Time and Frequency Standard


Syncworks timing experts can audit your current timing configuration and advise the best solution, including the 5071B Cesium, for your network. With the best technology available to us via Microchip, you will be assured that your network will be modernized and resilient.

The 5071B Cesium primary time and frequency standard is a replacement for the 5071A that matches the form, fit and functions of its predecessor. All connections and commands remain unchanged. Microchip updated the 5071B’s internal electronics with modern circuitry, including our microprocessors (MPUs), to ensure continuity of supply for all components into the next decade and achieve RoHS compliance. Tested over 18 months against an extensive set of qualifications confirmed that this device meets or exceeds all performance specifications. 

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(904) 280-1234

5017B Cesium

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HIgh Performance – 24V

Standard Performance – 24V

High Performance – 48v

Standard Performance – 48V

PRS 5071B Key Features

< 5E−13 accuracy high-performance models
< 1E−12 accuracy standard-performance models
Accuracy levels achieved within 30 minutes of startup
< 8.5E−13 at 100s high-performance models
< 2.7E−12 at 100s standard-performance models
< 1E−14 flicker floor high-performance models
< 5E−14 flicker floor standard-performance models
No deterministic frequency drift
100 kHz, 1, 5 and 10 MHz RF sine wave outputs
Three 1 PPS outputs
Two 1 PPS inputs to steer to external GNSS receiver or other 1 PPS source
AC and DC operating voltages
Internal battery back-up for short-term power interruptions
Support for the 5071B cesium clock added to Clockstudio™ software v1.1


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(904) 280-1234


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Ponte Vedra Beach, FL 32082


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