Cesium Clock and Frequency References

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Cesium Clock and Frequency References


Direct Cesium Beam Tube Replacement

  • Direct Replacement Cesium Beam Tubes extend the life of your original equipment
  • Replacement tubs offer significant time and cost savings
  • Includes Installation Kit
  • 10890A: Standard performance, 10-year warranty
  • 10891A: High-performance, 5-year warranty

5071A Cesium Frequency Standard

  • Frequency Accuracy up to ±5e-13
  • Long term stability up 1e-14
  • Up to 6 RF and 3PPS outputs
  • Up to 2 1PPS inputs
  • Battery backup and Time of Day
  • 10 year warranty on standard tubes
  • 5 year warranty on high performanc tubes
  • MTBF: >160,000 hours
  • Caesium Clock

Cs4000 Cesium Frequency Standard

  • Frequency accuracy up to ±1e-12
  • Up to 5e-14 long term stability
  • 6 RF outputs: 1MHz, 2x5MHz, 2x10Mhz and 100kHz
  • Three 1PPS outputs
  • Two 1PPS inputs
  • Optional battery backup
  • Ethernet interface and Time of Day
  • MTBF: >145,000 hours
  • Caesium clock

CsIII Model 4310B Cesium Frequency Standard

  • Frequency accuracy up to ±1e-12
  • Up to 5e-14 long term stability
  • 2 RF outputs: 5MHz and 10Mhz
  • One 1PPS output
  • One 1PPS input
  • MTBF: > 130,000 hours
  • Caesium clock

TimeCesium 4400 ETSI Telecom Cesium Frequency Standard

  • Cesium III beam tubes
  • Autonomous Stratum 1 Primary Reference Sources
  • DS1, E1, 2048 kHz G.703/13, 10MHz. 5 MHz. 1.544 MHz and composite outputs
  • Up to ±1e-12 frequency stability over temperature
  • Front access ETSI shelf

TimeCesium 4500 ANSI Telecom Cesium Frequency Standard

  • Cesium III beam tubes
  • Autonomous Stratum 1 Primary Reference Sources
  • DS1, E1, 2048 kHz G.703/13, 10MHz. 5 MHz. 1.544 MHz and composite outputs
  • Up to ±1e-12 frequency stability over temperature
  • Rear access ANSI shelf

Dependable, reliable, accurate and stable frequency standards for navigation, communications and timing applications.

Cesium beam frequency and time standard instruments from Microsemi meet the most stringent requirements demanded by commercial, military and space applications. Our Cesium instruments are built to provide stand-alone dependability, ease of use, and ease of installation. A three decade legacy of reliability makes them the preferred choice in the critical time or frequency systems found in telecommunications timing, calibration and metrology laboratories, satellite tracking stations and spaced-based master time standards.