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GPS disciplined oscillator consumes very low power

Posted: 19 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:GPS? oscillators? OCXO?

Jackson Labs has unveiled its FireFly product, an extremely small OCXO-based GPS disciplined oscillator (GPSDO) that meets Stratum-1 requirements with very low-power consumption. The OCXO-based Firefly delivers long-term performance similar to Atomic Frequency Standards, and supports both mobile such as vehicle-mounted and airborne applications and stationary applications.

The FireFly GPSDO, which measures 1.25in3, provides Stratum-1 long-term performance of better than 10 parts per trillion (1E-011) averaged over 24hrs when locked to GPS at less than half the size of the smallest competitive products, said Jackson Labs. The unit generates both an OCXO-driven 1 PPS output that is phase-synchronized to better than 100ns rms to UTC, and a synchronized low-noise +12dBm 10MHz sine-wave output.

The FireFly is easy to integrate in any application that requires a stable and accurate reference clock, and it can be monitored and controlled by an RS-232 port via industry-standard SCPI Commands. The FireFly is said to provide excellent phase noise and spurious suppression, and very low jitter at a power consumption of only 1.4W typical. Custom frequencies and other non-standard requirements can be accommodated.

Pricing starts at $495 each in quantities of 100 units.

Delivery is six to eight weeks ARO.

- Gina Roos

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