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GPS-Disciplined Rubidium Clock

GPS-Disciplined Rubidium Clock
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The AR51-07 is a GPS-disciplined rubidium clock designed for airborne environments like helicopters, UAVs, shipboard, and ground mobile applications. It operates in the L1 and L2 GPS bands and can be phase-locked to a GPS signal or other external inputs with a timing accuracy of ±20 ns and frequency accuracy of ±2 x 10-12. The clock consists of a GPS receiver and includes an option to install a P(Y) code SAASM GPS receiver capable of providing ephemeris, almanac, and ionospheric data. It requires a supply from 22 to 32 VDC at 30 W in warm-up mode and 14 W in steady-state mode. It can also support an external power input for backup and has spurious levels of less than -75 dBc and phase noise of -149 dBc/Hz (at 10 kHz offset).

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