iSpace+ OCXO/Rb/Maser oscillators

RAFS

Rb Atomic Frequency Standard (RAFS)

The RAFS is a cost-effective, ultra-high-performance, space-qualified rubidium frequency standard. It's designed with the latest technologies, providing advanced features, such as long lifetime, high reliability, lightweigth and ultra low phase noise, for next-generation space applications.

RELATED PRODUCTS: See our product brochure to quickly compare other product features and performance. 

Key Features* 

*See or download the full Spec in the Documents page. 

Specifications Standard Options
Output
Input
10 MHz and 10 MHz auxiliary
n/a


Accuracy < 2E-10 after launch & commissioning
< 1E-10 under vacuum at delivery
Tempco
Temp
Aging
n/a
-5 to 10C
< 1E-10/yr


Stability (ADEV)
1s
10s
100s
1 ks
10 ks (drift removed)
Flicker floor (drift removed)
Max          Typical 
5E-12       3E-12 
1.3E-12    1E-12
5E-12       3E-13
1.8E-13    6E-14
5E-14       3E-14
5E-14       1E-14


Phase noise @ 10 MHz
1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
(dBc/Hz)
-90
-120
-130
-140
-145
-145
 
Holdover n/a
Warm-up time n/a
Power (operating)
Voltage
Warm-up
< 35W
28V
< 60W

50V

Size (WxHxL) 217x124x117mm | 8.54x4.88x4.6"
Weight 3.4 Kg | 7.49 lbs
Vibration Sensistivity See spec
Lifetime/MTBF > 15 yrs / < 2000 fit span>

Applications

It is typically used in the following applications:

  • GNSS/GPS navigational systems
  • SAR systems
  • FGU systems
  • MRO systems
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