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Frequency References

Frequency References

Novus offers a diverse set of frequency reference products. From our low cost TCXO frequency references to our Rubidium frequency references to our high-performance GPS disciplined references (GPS DO) -Novus frequency references offer low phase noise, accuracy and reliability. From one to twenty channels, modular, rackmount, portable or micro-packaged- Novus offers a form factor to meet your frequency reference needs. Available features include redundant power, SNMP, self-test, ultra-low phase noise, dual-Time base, real-time Allan Deviation, and synthesized frequency references.

For use cases that demand greater precision, we have GPS disciplined oscillators that will provide single satellite tracking capabilities that are GLONASS compatible and therefore supported by GPS, GLONASS, QZSS, and SBSS networks.

If you’re unsure which frequency reference you require, don’t hesitate to reach out. We are also able to manufacture custom units for unique applications.

10 Channel 10 MHz Frequency Standard High Performance Low Phase Noise Rubidium -Kronos1

10 Channel, GNSS GPS Locked Ultra Low Phase Noise Rubidium Master Reference with Dual Time Base

NR9000 ROG-Kronos1

Advanced 10 MHz, GNSS Locked Rubidium Master Reference with Thermal and Mechanical Isolation to Improve Stability and Reduce Noise

The Novus KronosΙ represents our highest performance reference for the most demanding master reference applications. The 184 channel GNSS receiver provides critical timing information that is highly processed to minimize reference jitter and noise.  The receiver supports.  GPS L1C/A L2C, GLO L1OF L2OF, GAL E1B/C E5b, BDS B1I B2I, QZSS L1C/A L1S L2C, SBAS L1C/A. To assure the integrity of the reference, a separate GNSS receiver is used as an independent time base for an internal gapless frequency counter to monitor the master reference.

A real time continuous calculation of Allan Deviation is performed and is likely the best indicator of reference health one could have. Data logging allows the user to review timing performance on any day from a performance log that is more than two years deep. Alerts can be established to detect a variation from Allan Deviation standard performance.

To further enhance stability, the timing control network and reference are vibration and thermally-isolated. The timing loop operates with a 40 psec resolution to enhance process control. Power supplies include wide bandwidth linear regulators to eliminate ripple noise from the amplifiers. Amplifiers are further isolated with individual passive filters and the amplifiers have over 100 dB of 60 Hz rejection. Every element of the design is focused on stability and noise reduction.

Rubidium stability

Low Phase noise clean-up OCXO

Continuous Allan Deviation calculation

Dual Time base provides real-time reference monitoring

Data logging rolling two years of more performance data

10 channels of 10 MHz 13 dBm sine wave

SNMP reports complete status

Allan Deviation < E-13

Rackmount or Benchtop

NTP option

Monitoring of all internal critical circuitry

Statistical analysis of reference performance

Data logging to demonstrate past performance as required.

Phase Noise

10Hz     -130
100Hz   -145
1K         -155
10K       -160

Brand : Novus          SKU :NR9000

Category:
Rubidium Sources
Sub-Category:
GPS/GNSS Locked Rubidium
Tags:
AC Powered, DC Powered, Low Noise, Ultra-Low Noise, Auto Calibration, Dual-Time Base, NMEA, NTP, PPS, SNMP, 10 MHz, Networking, Rack Mount, Rubidium

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