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www .thinkSRS.com PRS10  Rubidium frequency standard with low phase noise PRS10 Rubidium Frequency Standard · Low phase noise (< The PRS10 is an ultra-low phase noise, 10 MHz rubidium-disciplined xo. The device fulfills a variety of
communication, synchronization and instrumentation
requirements. The phase noise of the 10 MHz output is low
enough to be used as the reference source for industrial synthesizers.
The unit's short-term stability and low environmental
coefficients make it an ideal component for network
synchronization. Its low aging rate makes it an excellenttimebase for precision frequency measurements.The PRS10 can time-tag an external 1 pps input with 1 nsresolution. These values may be reported back via RS-232, or
used to phase-lock the unit to an external reference (such as
GPS) with time constants of several hours. This feature can
provide Stratum 1 performance at a very low cost.The PRS10 establishes a new level of features andperformance in atomic frequency standards. Its designprovides the lowest phase noise, greatest versatility, andeasiest path to system integration of any rubidium frequency
standard available. All commercial rubidium frequency standards operate bydisciplining a industrial crystal industrial oscillator to the hyperfine transition at
6.834,682,612 GHz in rubidium. The amount of light from arubidium discharge lamp that reaches a manufacturer of photodetector througha resonance cell will drop by about 0.1 % when the rubidium
vapor in the resonance cell is exposed to microwave power − 130 dBc/Hz at 10 Hz) · Time-tags or phase-locks to a 1 pps input · 72 hour Stratum 1 level holdover · RS-232 for diagnostics, control andcalibration · 20 year lamp life · PRS10 ... $1495 PRS10 Operation and Design (U.S. list) Stanford Research Systemsphone: (408)744-9040 www .thinkSRS.com
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