AR13350

rubidium Frequency standard

AR13350 copy

Accurate Time & Frequency Ruggedized System

The AR13350 is AccuBeat’s latest advancement in multifunctional Rubidium Frequency Standards. As one of the smallest atomic standards available today, it achieves exceptional accuracy and stability derived from the quantum transition in a free rubidium atom.

The AR13350 combines state-of-the-art technology with versatile operational modes to deliver a compact, efficient, and high-performing solution for applications requiring precision timing and frequency control. Whether in power-sensitive environments or high-accuracy systems, the AR13350 adapts seamlessly to meet diverse requirements.

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Product Highlights

<±1E-10 / month

Long Term Stability

 -150dBc/Hz @10kHz
Phase Noise

1µs/24 hours
Accuracy-Long Term

Performance

Performance (Rubidium Mode)
StandardOption(s)
FrequencyShort Term Stability (ADEV)< 3E-11 @ 1s<1.5E-11 @ 1s / <5E-12 @ 1s
< 1E-11 @ 10s
< 5E-12 @ 100s< 2.5E-12 @ 100s
< 2E-12 @ 1000s (Typ.)< 1.5E-12 @ 1000s (Typ.)
Phase Noise<-102 dBc/Hz @ 10Hz
<-135 dBc/Hz @ 100Hz
<-145 dBc/Hz @ 1kHz
<-150 dBc/Hz @ 10kHz		<-116 dBc/Hz @ 10Hz (Typ.)
< -142 dBc/Hz @ 100Hz (Typ.)
< -154 dBc/Hz @ 1kHz (Typ.)
< -158 dBc/Hz @ 10kHz (Typ.)
Harmonics< -44 dBc (up to 70MHz)< -50 dBc (up to 70MHz)
Spurious< -80 dBc in the range
10Hz to 100kHz from carrier		< -110 dBc in the range
10Hz to 100kHz from carrier
Warm-up< 5E-8 (Lock) within 4 minutes @ 25°C
±5E-10 within 5 minutes @ 25°C
Retrace< 5E-11 with on-off-on cycle: 24 hours, 48 hours, 12 hours
Accuracy @
Shipment		< 5E-11
Magnetic Field
Sensitivity		< 8E-11 / gauss up to 3 gauss DC (worst direction)
Long Term Stability
(Free run)		<±1E-10 / month (after 3 months
of operation)		<±5E-11 / month (at shipment)
<±1E-11 / month (at shipment)
Long Term Stability (Disciplined to
external 1PPS)		<±2E-12 (24 hrs average)
Temperature
Stability and Range		3E-10 over -20°C to +65°C3E-10 over -40°C to +74°C (Base Plate)
5E-11 over -20°C to +65°C (Base Plate)
Time Accuracy (1PPS)Long- Term Accuracy1μs / 24 hours (after disciplining/calibration) typical @ 25ºC
Disciplined to external 1PPS - 40ns (20ns typical) RMS @ 25°CDisciplined to external 1PPS - 15ns (7ns typical) RMS @ 25°C
Power Consumption (standard Rubidium mode)@ Steady-state< 8.25W @
25°C		                                                      
@ Warm-up< 18W@ 25°C< 16W @ 15VDC, room temp.

Additional product specifications, outline drawings and block diagrams and test data are available on request.

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AR13350 Key Features

  • Double Resonance Technology: Achieves
    unparalleled timekeeping accuracy.
  • 1PPS Input and Output: Enables seamless
    integration and synchronization with external
    systems.
  • High Stability: Offers long-term frequency
    stability and low phase noise.
  • Compact Design: Ideal for integration into
    space-constrained environments.
  • Robust Performance: Operates reliably in a
    wide range of conditions.

AR13350 Key Applications

  • Secure Communication
  • Telecommunication
  • Software Radio
  • Test Equipment
  • Cellular Base Stations
  • TV Stations, HDTV
  • Scientific Equipment
  • Calibration
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