AMC Time and Frequency with Onboard GPS and IRIG

  • GPS/PTP (1588)/IRIG/NTP Grand Master Clock
  • Synchronous Ethernet
  • Three arbitrary frequency disciplined clocks
  • IRIG AM decoder input/IRIG DCLS input/output
  • AMC.1 Dual PCIe Gen2 x4 or AMC.2 Dual 10GbE
  • AMC.2 Dual 1000Base-X (one can mux to front RJ-45)
  • 100ns precision UTC timestamps, system status and GPS positions via PCIe
  • TSIP data Broadcast/Multicast/Unicast via Ethernet w/ bonding/failover
  • Battery or SuperCap Almanac/Ephemeris/Last position back-up
  • 1PPS PCIe interrupt, time events, time trigger for overall system/software synchronization
  • Holds over clocks/1PPS using OCXO
  • GPS NMEA serial port

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The AMC006 provides a complete, feature-rich, GPS/PTP (1588)/IRIG/NTP bus-level timing solution to a MTCA/ATCA system, with exceptional flexibility.

The onboard GPS receiver, or 1PPS, or Inter-Range Instrumentation Group (IRIG) input, is used to discipline the local oscillator and cancel out any oscillator drift or aging. Precision UTC timestamps and GPS location/time/status are all made available via PCIe registers to the host CPU/application. Time trigger output and time event interrupts synchronized to GPS UTC are available under host control. GPS location/time/status data is Broadcast/Unicast output via backplane Ethernet with selectable bonding/failover behavior.

The board can demodulate IRIG Amplitude Modulated (AM) signals and receive/transmit IRIG DC Level Shift (DCLS) signals. The disciplined clock, 1PPS, divided-down clocks, IRIG DCLS, and time trigger may be output in any combination to the TCLKA/TCLKB/TCLKC/TCLKD backplane channels. It also acts as a Grand-Master Clock/Clock Bridge between GPS/PTP (1588)/IRIG/NTP to provide enhanced flexibility to your system design. The board also supports Synchronous Ethernet (SyncE) to eliminate clock drift at the Ethernet PHY level.

A back-up battery or SuperCap provides non-volatile storage of the Almanac, Ephemeris, and last position data to enable rapid “warm start” re-acquisition, usually within 35 seconds.

The module’s console is available via front serial or SSH via Ethernet. Locking/holdover status is also available via IPMI sensors. A secondary serial port enables GPS NMEA data in/out.

Key Features
  • GPS/PTP (1588)/IRIG/NTP Grand Master Clock
  • Synchronous Ethernet
  • Three arbitrary frequency disciplined clocks
  • IRIG AM decoder input/IRIG DCLS input/output
  • AMC.1 Dual PCIe Gen2 x4 or AMC.2 Dual 10GbE
  • AMC.2 Dual 1000Base-X (one can mux to front RJ-45)
  • 100ns precision UTC timestamps, system status and GPS positions via PCIe
  • TSIP data Broadcast/Multicast/Unicast via Ethernet w/ bonding/failover
  • Battery or SuperCap Almanac/Ephemeris/Last position back-up
  • 1PPS PCIe interrupt, time events, time trigger for overall system/software synchronization
  • Holds over clocks/1PPS using OCXO
  • GPS NMEA serial port
Benefits
  • Complete GPS/PTP (1588)/IRIG/NTP solution
  • Flexible allocation to backplane clock signals
  • Grand-Master Clock/Clock Bridge capability
  • Electrical, mechanical, software, and system-level expertise in house
  • Full system supply from industry leader
  • AS9100 and ISO9001 certified company
Specifications
Specifications

Block diagram

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