CsIII Cesium Frequency Standard - Precision Frequency References Products

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Cesium Frequency Standard

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Data Sheets
	CsIII: Cesium Frequency Standard
Comparison Chart
	Cesium Product Comparison Chart
Monitor 3 Software
	More Information
Product Manual
	Product Manual
WEEE/RoHS
	WEEE/RoHS Initiatives
Service Plans
	TTM Product Service Plans
Glossary
	Glossary of Terms

Symmetricom's CsIII™ is a lightweight, compact, economical cesium frequency standard. The technology developed for the CsIII is an evolutionary step forward in the quest for higher stability, lower phase noise and longer life. An ever-increasing base of demanding users in communications, timing, synchronization and other applications take advantage of this performance.

Packaged in a 2U, 19" rack mounted chassis; the CsIII weighs less than 30 lbs. Standard features include 5 and 10Mhz sine wave outputs, a 1 PPS output and an RS-232 interface used to monitor and control the unit. Optional T1/E1 telecom outputs and a portability kit are also available. The portability kit replaces the rack mounting brackets with a movable handle and hard shell carrying case making it ideal as a remote calibration standard.

KEY FEATURES
	Third Generation Cesium Technology
	Remote Monitor & Control via RS-232 port
	RF Outputs of 5 MHz & 10 MHz
	1 PPS Output
	No Calibration Necessary— No Aging
	Long Cesium Beam Tube Life Span
	Compact 2U Rack Mount
	Lightweight <30 Pounds
	Optional E1 & T1 Output
	Portable Version Also Available
MAJOR APPLICATIONS
	Primary Reference Source
	Calibration Standard
	Satellite Tracking Stations
	Positioning and Navigation
	Master Reference for Broadcast Communications