FS725 and PRS10 frequency standards & oscillators
Supplier: Stanford Research Systems
Technology type: Frequency Standards
Rubidium frequency standard: FS725
The FS725 integrates a rubidium oscillator (SRS model PRS10), a low-noise AC power supply, and distribution amplifiers in a compact, half-width 2U chassis. It provides stable and reliable performance with an estimated 20 year aging of less than 5 × 10-9 and a demonstrated rubidium oscillator MTBF of over 200,000 hours. The FS725 is an ideal instrument for calibration and R&D laboratories, or any application requiring a precision frequency standard.
Rubidium oscillator: PRS10
The PRS10 is an ultra-low phase noise, 10 MHz rubidium-disciplined crystal oscillator. The device fulfils a variety of communication, synchronisation and instrumentation requirements. The phase noise of the 10 MHz output is low enough to be used as the reference source for synthesisers. The unit's short-term stability and low environmental coefficients make it an ideal component for network synchronisation. Its low aging rate makes it an excellent timebase for precision frequency measurements.
A high level overview of what this range offers
- 10 MHz and 5 MHz outputs
- 1 pps input and output for GPS synchronisation
- 20 year aging less than 0.005 ppm
- Ultra-low phase noise (<−130 dBc/Hz at 10 Hz)
- Built-in distribution amplifiers (up to 22 outputs)
- RS-232 computer interface
- Two status alarm relays
- Low phase noise (<−130 dBc/Hz at 10Hz)
- Time-tags or phase-locks to a 1 pps input
- 72 hour Stratum 1 level holdover
- RS-232 for diagnostics, control and calibration
- 20 year lamp life
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