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GPS time & frequency reference functions at up to 13,000 meters

6th December 2016

Mick Elliott

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Datasheet

Precision time synchronisation is now proving essential to the implementation of many different types of modern electronic systems. This requirement is being met by Steatite, which, as the exclusive UK distribution partner for Spectracom, is now stocking VersaSync, a high performance GPS master clock and network time server that is capable of delivering accurate, software-configurable time and frequency signals under all circumstances, even in GNSS-denied scenarios.

Supporting both precision time protocol (PTP) and network time protocol (NTP) synchronisation standards, this robust, military grade unit (MIL-STD-810G) can deal with the most uncompromising of operational environments.

Thanks to its lightweight construction (0.91kg) the solution is highly portable, while a compact form factor (147.3mm x 127.5mm x 63.0mm) and VITA 75 compliant design both facilitate its integration with existing hardware.

The unit’s I/Os can be configured to accommodate a variety of timecode formats, such as IRIG, HaveQuick, 1PPS, xPPS, etc. A diverse choice of GNSS receivers is also offered.

Each VersaSync unit has a built-in high stability oscillator/clock resource (either OCXO or CSAC based, depending on the degree of exactitude required) that enables time and frequency accuracy to be upheld for extended periods without GPS/GNSS support. Furthermore, it can be re-synchronised by an external reference if required. There are a wide array of different applications for which this timing solution is highly suited.

These include large scale UAVs, military vehicles, radar equipment (civil or military) and marine (sonar systems), among others. The VersaSync units have an operational temperature range that covers -45°C to +85°C.

They can also cope with 95% humidity levels and have strong resilience to shock (20g) and vibration (7.7g). Functioning at altitudes up to 13,000m, they are highly suited to airborne deployment.