RME HDSP Synchronization Module

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Timecode Option for HDSP PCI Express cards

Synchronization Module for LTC and Video

The TCO module is an optional extension for selected RME cards. Placed in a free slot of the computer chassis the TCO will be connected with the main card via a flat ribbon cable.

The small module provides the HDSPe cards with a Word Clock input and offers a synchronization to LTC and video. Thanks to SteadyClock(TM), the TCO not only extracts absolute positions from LTC, but also a very clean low-jitter word clock from LTC and video. Thus a sample accurate timecode synchronization to audio or video sources is assured.


  • LTC In
  • BNC unbalanced
  • Level range: -25 dBu up to +12 dBu
  • Video In (Word Clock In)
  • BNC switchable termination 75 Ohm
  • Format: PAL and NTSC
  • Word Clock In (Video In)
  • BNC, switchable termination 75 Ohm
  • Transformer coupled, galvanically isolated input
  • Not affected by DC-offsets within the network
  • Signal Adaptation Circuit: signal refresh through auto-center and hysteresis
  • Overvoltage protection
  • Level range: 1.0 Vpp – 5.6 Vpp
  • Lock Range: 28 kHz – 200 kHz
  • Jitter when synced to input signal: < 1 ns
  • Jitter suppression: > 30 dB (2,4 kHz)
  • LTC Out
  • BNC
  • Output level: +4 dBu, via Jumper -7 dBu
  • Outputs impedance: 220 Ohm
  • Word Clock Out
  • BNC
  • Max output voltage: 5 Vpp
  • Output voltage @ 75 Ohm: 4,0 Vpp
  • Outputs impedance: 10 Ohm
  • Frequency range: 28 kHz – 52 kHz
  • Power supply via ribbon cable, 5 V DC, 100 mA
  • Standard bracket, dimensions PCB (WxD): 98 x 75 mm
  • One single TCO can be used with different HDSP/HDPe cards at the same time.
  • LTC can be derived and generated in all common formats.
  • 24, 25, 30, and 29.97 frames; drop-frame or non-dropframe.
  • Commonly used Pull-Up- and Pull-Down formats (+/- 0.1% and +/- 4%) can be utilised.
  • PAL and NTSC video formats will be automatically detected and processed.