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GPSDO targets cost-sensitive LTE apps

Posted: 02 Nov 2011 ?? ?Print Version ?Bookmark and Share

Keywords:oscillator? GPSDO? LTE applications?

Jackson Labs Technologies Inc. has rolled the LC_1x1, a 10MHz frequency and timing reference. The device is an extremely small Global Positioning System Disciplined Oscillator (GPSDO) that has been designed for cost-sensitive LTE applications.

LC_1x1 is backwards compatible to the company's FireFly-IIA GPSDO, which is designed to meet stringent LTE holdover specifications that previously required Rubidium references.

At only 1.6 x 1.9 x 0.8in small, LC_1x1 provides Stratum-1 long-term performance of typically better than 1 parts per trillion (1E-012) averaged over 24 hours. LC_1x1 is available in a low-profile (0.63in high) single-oven oscillator version, or a higher performance double-oven oscillator version. The total height of only 0.63in allows integration into legacy applications such as VME enclosures. Both versions support a very wide -40C to 85C operating temperature range with better than 5ppb stability over temperature while consuming less than 2.3W at room temperature.

LC_1x1 GPSDO

LC_1x1 provides an OCXO-sourced low-jitter 1PPS LVDS or CMOS output that has a stability of better than 30ns rms (typ.

The LC_1x1 GPSDO has a built-in 50-channel GPS receiver with WAAS/EGNOS/MSAS support and -160dBm tracking capability, and works with passive as well as active GPS antennae.

LC_1x1 provides an OCXO-sourced low-jitter 1PPS LVDS or CMOS output that has a stability of better than 30ns rms (typ. LC_1x1 is also available with a ruggedized, extended temp range, low-g sensitivity option for military applications. The LC_1x1 GPSDO is supported out-of-the-box by various industry-standard software and freeware applications such as GPSD, GPSCon, and Z38xx which provide NTP, SNTP, graphing, and command and control functionality.





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