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Tektronix  |  SKU: TEKT-SPG8000A

Tektronix SPG8000A Master Sync/Master Clock Reference Generator

$8,43195
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Condition: New



Description

Tektronix SPG8000A Master Sync/Master Clock Reference Generator

The SPG8000A 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, NTP (Network Time Protocol), and IEEE 1588 PTP (Precision Time Protocol). The base configuration includes three sync outputs that can be configured with independent output formats and independently adjustable timing offsets.

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 offsets. The SPG8000A can also serve as a Network Time Protocol (NTP) server or as a Precision Time Protocol (PTP) grandmaster clock, providing the time-of-day reference to network-attached devices.

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
  • PTP (IEEE 1588) support, including SMPTE ST 2059-2 and AES67 profiles
  • GPS/GLONASS-based synchronization gives an accurate time-of-day reference and deterministic video phase reference across multiple independent systems
  • Stay GenLock and Holdover Recovery prevent synchronization shock when the external reference input, PTP, 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)
  • 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

Technical Specifications

Reference input
Connector
BNC x2, passive loop-through
Input impedance
75 Ω
Input signal
NTSC/PAL black burst; HD tri-level sync: 1080/60/59.94/50I, 1080/30/29.97/25/24/23.98P, 1080/24/23.98PsF, 720/60/59.94/50P; 10 MHz continuous wave
Amplitude range
-8 dB to +6 dB
S/N ratio
>40 dB
SCH phase
0 ±40°
Return loss
≥30 dB at 300 kHz to 10 MHz
Lock stability
±3 dB amplitude change - <1 ns; Jitter with burst lock - <0.5°; Jitter with sync lock - <1 ns; Jitter with CW lock - <1 ns (typ. 1°)
Genlock
Timing adjustment range
Anywhere in the color frame
Timing adjustment resolution
<0.5° of NTSC/PAL subcarrier, 1 ns with tri-level sync input
Color framing
Keeps accuracy even with ±45° SCH error of input reference signal
Genlock tune range
±7.5 x 10-6
Time reference
Source
GPS or GLONASS signal, PTP input, LTC input, VITC read from NTSC/PAL genlock input, or can enter manually
Time zone offset
23:59 to +23:59
Daylight saving adjustment
Start/end from recurring calendar or manually scheduled, with adjustable offset
Leap second adjustment
Inserted at 00:00 UTC on the scheduled date, or deferred up to 24 hours
LTC Input
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 to video
Compliant with SMPTE 12M and continues to operate over at least 90% of possible timing range
Signal voltage range
0.5 to 10 Vp-p differential, 1 to 5 Vp-p single ended
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 tolerance
0 dB hum-to-signal ratio
Error immunity
100 consecutive frames with consistent time code must be detected for time to be considered valid
Input impedance
Nominal 600 Ω differential, 300 Ω single ended

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Tektronix

Tektronix SPG8000A Master Sync/Master Clock Reference Generator

$8,43195

Tektronix SPG8000A Master Sync/Master Clock Reference Generator

The SPG8000A 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, NTP (Network Time Protocol), and IEEE 1588 PTP (Precision Time Protocol). The base configuration includes three sync outputs that can be configured with independent output formats and independently adjustable timing offsets.

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 offsets. The SPG8000A can also serve as a Network Time Protocol (NTP) server or as a Precision Time Protocol (PTP) grandmaster clock, providing the time-of-day reference to network-attached devices.

Key Features

Technical Specifications

Reference input
Connector
BNC x2, passive loop-through
Input impedance
75 Ω
Input signal
NTSC/PAL black burst; HD tri-level sync: 1080/60/59.94/50I, 1080/30/29.97/25/24/23.98P, 1080/24/23.98PsF, 720/60/59.94/50P; 10 MHz continuous wave
Amplitude range
-8 dB to +6 dB
S/N ratio
>40 dB
SCH phase
0 ±40°
Return loss
≥30 dB at 300 kHz to 10 MHz
Lock stability
±3 dB amplitude change - <1 ns; Jitter with burst lock - <0.5°; Jitter with sync lock - <1 ns; Jitter with CW lock - <1 ns (typ. 1°)
Genlock
Timing adjustment range
Anywhere in the color frame
Timing adjustment resolution
<0.5° of NTSC/PAL subcarrier, 1 ns with tri-level sync input
Color framing
Keeps accuracy even with ±45° SCH error of input reference signal
Genlock tune range
±7.5 x 10-6
Time reference
Source
GPS or GLONASS signal, PTP input, LTC input, VITC read from NTSC/PAL genlock input, or can enter manually
Time zone offset
23:59 to +23:59
Daylight saving adjustment
Start/end from recurring calendar or manually scheduled, with adjustable offset
Leap second adjustment
Inserted at 00:00 UTC on the scheduled date, or deferred up to 24 hours
LTC Input
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 to video
Compliant with SMPTE 12M and continues to operate over at least 90% of possible timing range
Signal voltage range
0.5 to 10 Vp-p differential, 1 to 5 Vp-p single ended
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 tolerance
0 dB hum-to-signal ratio
Error immunity
100 consecutive frames with consistent time code must be detected for time to be considered valid
Input impedance
Nominal 600 Ω differential, 300 Ω single ended

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