Tektronix SPG-700 SDI Unit (Adds Two Independent Sets of 3G/HD/SD/SDI) Factory Installed

ITEM #: TEK-SPG-700-SDI MFG #: SPG-700 SDI

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SPG-700 SDI - Overview

The SPG700SDI Multiformat Reference Sync Generator from Tektronix comes with a 3G/HD/SD-SDI test signal generator support for traditional SDI-based video infrastructure. It provides multiple video reference signals, such as black burst and HD tri-level sync, audio reference signals such as DARS and 48 kHz wordclock, and it supports various timecode formats for time reference generator applications.

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. 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 SPG700's 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.

Time reference outputs are available in multiple formats. Three independent linear time code (LTC) outputs are available, and a fourth LTC connection can be used as input or output. Each LTC output has independent frame rate selection, time source (time-of-day or program time) and time zone offset. Vertical interval time code (VITC) is available on each NTSC or PAL black output, also with independent time sources and offset.

  • Features:

    • Multiple independent black burst and HD tri-level sync outputs provide all the video reference signals, while DARS and 48 kHz wordclock provide all the audio reference signals required in a broadcast or production facility
    • Four LTC outputs and VITC on black burst outputs provide time reference signals in a variety of formats
    • Stay GenLock prevents synchronization shock when the external reference input is temporarily lost
    • Wide selection of video test patterns in serial digital formats (SD, HD and 3G-SDI)
    • 4K/UHD formats support with full frame 100% and 75% color bars (Quad Link Square Division)
    • 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
     
  • Specifications:

    • Inputs
    • Connector: 2 x BNC, passive loop-through
    • Input Impedance: 75 Ohms
    • Input Signal: NTSC/PAL black burst
    • Amplitude: -8 to 6 dB
    • S/N Ratio: >40 dB
    • SC/H Phase (free-run): 0 ±40°
    • Return Loss: =30 dB at 300 kHz to 10 MHz
    • Lock: Lock Stability

      Genlock Adjustments
    • Timing: Timing Adjustment Resolution: <0.5° of NTSC/PAL subcarrier, 1 ns with tri-level sync input
    • Framing: Color Framing: Keeps accuracy even with ±45° SCH error of input reference signal
    • Range: Genlock Range: ±7.5 x 10-6

      Time Setting
    • Source: LTC input or VITC read from NTSC/PAL genlock input
    • Time Zones: Time Zone Offset: -23:59 to 23:59
    • Daylight savings: Daylight Saving Adjustment: Start/end from recurring calendar or manually scheduled, with adjustable offset
    • Second Order: Leap Second Adjustment: Inserted at 00:00 UTC on the scheduled date, or deferred up to 24 hours

      Time Code Input
    • Type: LTC
    • Connector: Available through D-sub 15-pin connector. Optional break-out cable to XLR connector available
    • Formats: 24 fps (24 Hz or 23.98 Hz), 25 fps, 30 fps, 30 fps drop-frame (29.97 Hz) per SMPTE 12M
    • Timing: Timing to Video: Compliant with SMPTE 12M and continues to operate over at least 90% of possible timing range
    • Signal Voltage: 0.5 to 10 V p-p differential, 1 to 5 V p-p single ended
    • Tolerance: Noise Tolerance: -30 dB SNR RMS white noise with 10 kHz BW to the p-p signal level, or -10 dB SNR for 5 MHz white noise
    • Hum & Noise: Hum Tolerance: 0 dB hum-to-signal ratio
    • Immunity: Error Immunity: 100 consecutive frames with consistent time code must be detected for time to be considered valid
    • Input Impedance: Nominal 600 Ohms differential, 300 Ohms single ended

      Outputs
    • Number of Outputs: 3 x Analog sync
    • Connector: 3 x BNC
    • Formats: NTSC/PAL black burst, HD tri-level sync, or 10 MHz continuous wave
    • Output Impedance: 75 Ohms
    • Return Loss: =40 dB from 300 kHz to 5 MHz, =25 dB from 5 MHz to 30 MHz
    • Sync Output Type: HD tri-level, Standards: SMPTE 240M, 274M, 296M, RP211
    • Word Clock Connector: 1 x BNC, Output Level: 5 VDC (CMOS compatible) or 1 V AC into 75 Ohms (AES level)
    • Frequency: 48 kHz
    • SDI Formats Supported: Standards: SMPTE 259M, 272M, 291M, Bit Rate: 270 Mb/s, Formats: 720 x 486/59.94i (525 lines)
     

SPG-700 SDI - Required Accessories

    California Residents:
    WARNING:
    Cancer and Reproductive Harm - www.P65Warnings.ca.gov