To meet stringent frequency reference applications, Symmetricom, Inc. has unveiled a product update to its rubidium frequency standard, adding a new low phase noise option that provides a greater than 30 dB improvement in phase noise.

The updated 8040C provides a stable and accurate frequency reference with multiple output signal formats in an easy-to-install 1U rack-mountable chassis. Unlike other units, the 8040C offers configurable RF outputs, GPS disciplining and a RS-232 interface for command and control. Designed around the company’s X72 rubidium oscillator, which is deployed worldwide as the reference oscillator in wireless base stations, the 8040C is field-configurable, allowing the instrument to support changing functionality in evolving systems.

According to Symmetricom, this option addresses the requirements of satellite ground station applications where frequency stability and low noise are critical parameters to track and communicate to satellites. This unit can be synchronized to a primary reference and output a 1, 5 and 10 MHz low phase noise signal along with a corrected 1 pps. Customers use these precision signals as the reference source in sophisticated automatic test equipment.

The 8040C rubidium frequency standard with the low phase noise option is available immediately for purchase. Domestic pricing begins at $4265.

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