bc635PCI-V2 (IRIG)


bc635PCI-V2 (IRIG)

PCI Time & Frequency Processor

Symmetricom's bc635PCI-V2 timing module provides unparalleled precise time and frequency to the host computer and peripheral data acquisition systems. Time is typically acquired from time code signals such as IRIG B.


Extensive time code generation and translation are supported. The generator outputs either IRIG A, B, G, E, IEEE 1344, NASA 36, XR3 or 2137 in both amplitude modulated (AM) and DC level shift (DCLS) formats. The translator reads and may be used to discipline the 10 MHz oscillator to either the AM or DCLS format of IRIG A, B, G, E, IEEE 1344, NASA 36, XR3 or 2137 time codes.

The module also has a state-of-the-art DDS rate synthesizer capable of 0.0000001 PPS to 100 MPPS. An Event Time Capture feature provides a means of latching time of an external event. A key feature of the bc635PCI-V2 is the ability to generate interrupts on the PCI bus at programmable rates. These interrupts can be used to synchronize applications on the host computer as well as signal specific events.

Integration of the module is easily facilitated with optional drivers for Windows 2000/XP, Linux, or Solaris.

Key Features

  • IRIG A, B, G, E, IEEE 1344, NASA 36, XR3 & 2137 Time Code Inputs and Outputs
  • Simultaneous AM or DCLS Time Code Inputs
  • Simultaneous AM and DCLS Time Code Outputs
  • 100-nanosecond clock resolution for time requests
  • Programmable <<1 PPS to 100 MPPS DDS Rate Synthesizer Output/Interrupt
  • 1, 5, or 10 MPPS Rate Generator Output
  • 1 PPS or 10 MHz Inputs
  • External Event Time Capture/Interrupt
  • Programmable Time Compare Output/Interrupt
  • Zero Latency Time Reads
  • Battery Backed Real Time Clock (RTC)
  • PCI Local Bus Operation
  • Universal Signaling (3.3V or 5.0V Bus)
  • Linux, Solaris & Windows Software Drivers/SDKs available
  • Optional OCXO Upgrade


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Amtest-TM Kft. (HU) - Tibor Csombordi Amtest PL (PL) - Dariusz Koziello Amtest-TM ELTH srl (RO) - Bogdan Valcea ADELANTEST Ltd (RUS) - Igor Kozlov GIGA ELECTRONICS EOOD - Danail Georgiev OÜ Est-Doma (EST) Promix Ltd. (UA) - Oleksandr Labuzov Vildoma (LT, LV)

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