Three Channel 10MHz Rubidium Frequency Reference with Optional Display NR8403-R


Three Channel, 10 MHz Rubidium Frequency Reference

Three Channel Modular 10 MHz Frequency Reference with Rubidium Stability


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. 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 1PPS.  Popular in scientific, calibration labs and satellite up-links.

Harmonics <40 dBc
Excellent holdover stability <±5E-11 month

GNSS GPS 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

Synthesized 1PPS

Brand : Novus          SKU :NR8403-R

Additional information

Data Sheet



There are no reviews yet.

Be the first to review “Three Channel 10MHz Rubidium Frequency Reference with Optional Display NR8403-R”