Rubidium Frequency Standard - 7218 Frequency Standards

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 crystal oscillator. 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 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 crystal oscillator to the hyperfine transition at 6.834,682,612 GHz in rubidium. The amount of light from arubidium discharge lamp that reaches a 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