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Three Channel Rubidium Frequency Reference with Optional Display NR8403-R

Three Channel, Rubidium Frequency Reference
NR8403-R

 

The NR8403-R in a versatile modular package bring stability to almost any location. Wide power operating range with optional GNSS locking to further enhance long-term stability (NR8403-RG). The Rubidium source affords outstanding holdover stability (<1 ppb/year). The low noise option adds an ultra-low noise OCXO that can be also vibration isolated to reduce mechanical induced phase noise (NR8403-RO). Phase noise < 155 dBc/Hz at 10kHz.  Unit may also be locked to an external 10 MHz or PPS.  Popular in scientific, calibration labs and satellite up-links.

Harmonics <40 dBc
Excellent holdover stability < +-1ppb/year

GNSS locking option
Low phase noise option
Outputs are fault protected and monitored continuously
Built-in test circuitry throughout the design
Available with and without display
10 and 50 MHz available

Category:
Rubidium Sources
Sub-Category:
GPS/GNSS Locked Rubidium
Tags:
AC Powered, DC Powered, Low Noise, Auto Calibration, NMEA, PPS, 10 MHz, GNSS Locked , Modular Chassis, OCXO

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Kits are available that include antenna, cables and power supply. Several features can be customized at the factory – frequencies other than 10 MHz either from a unique crystal or with a built-in synthesizer that is GNSS-locked. Time stamping capability to 100ns resolution. To meet unique requirements, we have shipped product with output features requiring a custom amplitude, square wave output, high voltage and high current drive.