GNSS disciplined OCXOs

April 02, 2020 //By Julien Happich
OCXOs
IQD’s newest addition to its range of advanced oscillator modules is its IQCM-112 series of disciplined OCXOs.

This new design incorporates an internal GNSS receiver with a 1PPS output which is compatible with an external GPS, GLONASS, BEIDOU and GALILEO source and is housed in a 14-pin 60mm square package. When coupled to an external aerial via the incorporated SMA connector, in the event of the loss of the GNSS signal the highly specified 10MHz OCXO will switch-in with a holdover capability of 1.5 µSeconds for a 24-hour period thereby maintaining lock until restoration of the reference signal. The standard operating temperature range of the module is -20 to 75ºC but is also available with a -40 to 85ºC operating temperature range. Other holdover specifications can be considered upon request. The required power supply is 5V with the output being standard HCMOS. Current consumption is 2A maximum during warm-up with this reducing to 1A once the steady-state condition is reached.

IQD - www.iqdfrequencyproducts.com


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