GPS-12R

Further product information.

The GPS-12 is a very precise GPS-controlled Rubidium reference clock for various telecom applications. In its standard configuration it is a 2.048 MHz reference clock for calibration or synchronization of test instruments and network elements.

Its 1-pps output provides an ultra-stable timing reference with excellent hold-over specifications (less than 1 µs after 24h hold-over). This is useful in applications where timing is critical, like synchronization of DAB, DVB or WCDMA transmitters or for synchronization of radar antenna array systems.

The GPS-12R is equipped with two 2.048 MHz outputs plus a 1-pps (one pulse-per-second) output as standard . But there are more output frequency possibilities. You can choose from five optional frequency outputs, of which two can be mounted in parallel.

• Option 70B - one 5 MHz and three 10 MHz low-noise outputs, for test systems or metrology applications.
• Option 71B - four sine wave outputs of resp. 10 MHz, 5 MHz, 1 MHz and 0.1 MHz.
• Option 72B - two extra 2.048 MHz plus two 2.048 Mbps (E1) for use in telecom applications (SDH).
• Option 73B - four 13 MHz outputs for GSM radio base station tests.
• Option 74B - two 1.544 MHz and two 1.544 Mbps (T1) outputs for use in telecom applications (SONET).

The GPS-12 is an excellent reference for external calibration of Wandermeters (e.g. the WM-11 from Pendulum Instruments) and SDH/SONET network analyzers. It can also be used as a permanent ultra-stable frequency in-house reference, in the lab or in test systems.

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