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SPG8000

Master Sync / Master Clock Reference Generator

 
The SPG8000 is a precision multiformat video signal generator, suitable for master synchronization and reference applications. It provides multiple video reference signals, such as black burst, HD tri-level sync, and serial digital and composite analog test patterns, and it provides time reference signals such as time code and NTP (Network Time Protocol).

The base configuration includes three sync outputs that can be configured with independent output formats (NTSC/PAL black burst and/or HD tri-level sync) and independently adjustable timing offsets. With the BG option, four more analog outputs can be added. A high-accuracy, oven-controlled crystal oscillator provides a stable frequency reference for the system, or the pass-through genlock input can be used to lock to an external video reference or 10 MHz continuous wave signal.

The SPG8000s Stay GenLock® feature avoids synchronization shock if the external reference suffers a temporary disturbance, by maintaining the frequency and phase of each output signal. When the external reference is restored, Stay GenLock® ensures that any accumulated clock drift is removed by slowly adjusting the system clock within standard limits instead of jamming back to the correct phase.
 
 
 
Key Features
  • Multiple independent black burst and HD tri-level sync outputs provide all the video reference signals required in a video broadcast or production facility
  • Four LTC outputs, VITC on black burst outputs, and NTP server provide time reference signals in a variety of formats
  • GPS/GLONASS-based synchronization gives an accurate time-of-day reference and deterministic video phase reference, and locks remote SPG8000 systems to each other
  • Stay GenLock® and GPS Holdover Recovery prevent synchronization shock when the external reference input or GPS/GLONASS signal is temporarily lost
  • Wide selection of video test patterns in serial digital formats (SD, HD and 3G-SDI) and composite analog formats (NTSC and PAL)
  • Dual hot-swappable power supplies ensure continuous availability of reference signals
  • Easy to manage with Web-based interface for remote configuration and SNMP for status and alert information
Applications
  • Sync pulse generator and time reference generator for broadcast, studio, mobile, and post-production facilities
  • Master or slave (genlock) operation for distributed system architectures
  • Video equipment verification, facility link testing, and display calibration