Smart oscillator from Aspen integrates GPS receiver

Designed for high accuracy timing and synchronisation applications in defence and professional systems, the LNRClok-1500 from Aspen Electronics is a low noise rubidium primary reference clock source. Manufactured by Swiss company, SpectraTime, the oscillator is optionally available with integrated GPS/GNSS receiver, and utilises the proprietary innovative SmarTiming+ technology.

Spectratime’s SmarTiming+ technology has been developed to perform a number of synchronisation, discipline and control functions that would previously been implemented externally on a separate circuit board. These include: Auto-adaptive Stratum-1 reference disciplining and jitter/wander/noise filtering between 0-100,000 at 1nS resolution, exceeding MTIE/TDEV G.823/T1.101 standards for T1/E1 reference.; Multi-vendor GPS interface with auto-adaptive reference filtering, disciplining, control and Time RAIM/Position Hold signal optimisation.; Auto-adaptive frequency stability over fast temperature changes at 0.1° resolution and Sync/Track setting mode to either a) phase align 1PPSout from a 1PPS GPS reference through the Sync mode or b) to frequency track 1PPSout from a Stratum-1 reference thru Track mode.

The ultra-low phase noise characteristic of -130dBc/Hz at 1Hz on a 10MHz signal is crucial for very high frequency up-converters in advanced radio communications applications, in both commercial and military sectors. The feature is important also for complex, advanced test and measurement instrumentation.

The LNRClok-1500 features exceptional low aging, and excellent short-term and mid-term frequency stability, thanks to the rubidium technology. An optional SMA connector is available for a GPS/GNSS antenna kit.

www.aspen-electronics.com

 

 

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