AR61 Military, Low Temperature, Radiation Hardened, Rubidium Frequency Standard
AR61-08 is a very high performance Rubidium Frequency Standard, designed to operate reliably in extremely demanding applications and harsh environments. It is designed to perform over a very wide temperature range while providing high stability, even under severe vibration and with a very fast warm-up time, even at extreme temperatures (-54°C).
AR61-08 meets or exceeds the most severe military requirements making this ruggedized unit especially useful in airborne applications as well as mobile ground operation. The AR61-08 also includes a microprocessor, which optimizes its performance in relation to external disturbances. It has a unique holdover mode, which keeps the internal OCXO running with the last memorized frequency when lock is lost. In addition, a built in synthesizer allows a very fine digital frequency control over a wide range. The AR61-08 was designed for the United States Air Force and is integrated into several different projects and applications.
AR61-08 Data Sheet
▶ MIL-E-5400 and MIL-STD -810F
▶ Low phase noise under vibration
▶ Wide temperature range -54°C to +71°C (95°C Emergency)
▶ Radiation Hardening
▶ 26VDC per MIL-STD-704D
▶ Vibrations: MIL-STD-810F
▶ Shock: 15g
▶ Humidity: 100% Sealed Enclosure
▶ EMI/RFI: MIL-STD-461E
▶ Fast Warm Up < 3.8 min to lock at -55°C
▶ Altitude: 50,000 ft
▶ Low Power: 10W @ steady state
▶ MTBF: > 150,000 hours @ 50ºC, AIC
▶ 82.5 x 82.5 x 114.3 mm (3.25 x 3.25 x 4.5 inch)
▶ 2.2Kg / 4.6 lbs
▶ Telemetry test fields
▶ Field calibration
▶ Excellent for Airborne applications
AccuBeat received this Certificate of Appreciation and Medallion for the design and delivery of the AR61 Frequency Standard to the US Department of Defense.
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