Microsemi / Symmetricom / Datum 11576-1000 B J1 to BNC Cable

Microsemi / Symmetricom / Datum 11576-1000 B J1 to BNC Cable

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Stock # 59294-13
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Microsemi / Symmetricom / Datum bc635PCI / bc637PCI Time and Frequency Processor

  • PCI Local Bus Operation
  • GPS or Time Code Inputs
  • Translator Reads IRIG A, IRIG B and NASA 36
  • External Event Capture Register / Interrupt
  • IEEE 1344 Compliant IRIG B Time Code


The Symmetricom / Bancomm / Datum bc635/637PCI receiver module provides precision time and frequency reference to the host computer system and peripheral data acquisition systems. Time is acquired from either the GPS satellites using a supplied antenna/receiver (bc637PCI only) or from time code signals, typically IRIG B.

Central to the operation of the module is a disciplined 10 MHz oscillator and 100 nanosecond clock. Current time (days to 100 nS) can be accessed across the PCI bus with zero latency, which allows for very high speed time requests. The onboard oscillator is rate-matched (disciplined) to the input time source and drives the precision 10 MHz frequency output and time code generator circuitry. If time is lost, the module will continue to maintain time (flywheel). If power is lost, a 10 PPM battery backed clock is available to maintain time.

Product Family: bc635PCI, bc637PCI, bc635PCI-U, bc635PCI-V2, bc637PCI-U

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Microsemi / Symmetricom / Datum bc635PCI / bc637PCI Time and Frequency Processor

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