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Tascam CG-1800 Video Sync/Master Clock Generator

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The TASCAM CG-1800 master clock generator generates NTSC, PAL and HD Tri-level video clock —as well as word clock through BNC, AES/EBU and S/PDIF out...Click To Read More About This Product

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OVERVIEW

A super-stable, accurate video master clock.

The TASCAM CG-1800 master clock generator generates NTSC, PAL and HD Tri-level video clock —as well as word clock through BNC, AES/EBU and S/PDIF outputs—ensuring compatibility with any synchronization system.

High Precision Whatever the Temperature

The TASCAM CG-1800 a high-precision OCXO (oven-controlled crystal oscillator) that boasts a clock frequency precision of ±0.01ppm*1 and a frequency stability of ±0.005ppm per day. The jitter management circuit developed by TASCAM reduces external clock jitters, enabling a stable clock signal to video and word outputs, while a glitch-free relock circuit maintains a sustained clock phase even during clock dropouts and recovery, thus effectively preventing noise and skipping from occurring, delivering high reliability and stability to users.

Easy User Maintenance

Regular calibration is always necessary in order to keep sync oscillators in their best condition. The TASCAM CG-1800 is equipped with a self-calibration function, enabling users to perform maintenance through easy operations.

TASCAM’s accumulated experience and know-how in digital synchronization technology through its development of professional equipment has been refined to create products specialized in clock synchronization. The CG-1800 is a lineup of professional-grade master clock generators that was the result of an exhaustive injection of TASCAM technology.

MPN: CG-1800
FEATURES
  • Internal clock uses a high-precision OCXO (oven-controlled crystal oscillator) for stability
  • External input connector supports 10MHz, for creation of systems with even higher precision
  • Jitter management circuit provides extraordinarily stable clock
  • Glitch-free relocking circuit prevents noise and skipping during clock dropouts and recovery

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SPECIFICATIONS
  • Inputs:
  • VIDEO INPUTS:
  • Connector: BNC
  • Input level: 0.5Vp-p to 2.0Vp-p
  • Input impedance: 75Ω (ON/OFF selectable by menu)
  • Input signal
  • SD video black burst: NTSC (29.97), NTSC B/W (30), PAL (25)
  • 720p: 50, 59.97, 60: –
  • 1080p: 23.976, 24, 25, 29.97, 30, 59.94, 60
  • 1080i/psf: 23.976, 24, 25, 29.97, 30
  • Allowable frequency deviation: ±10ppm
  • WORD/EXT INPUTS:
  • Connector: BNC
  • Input level: 0.5Vp-p to 5.0Vp-p
  • Input impedance: 75Ω/50Ω (75/50/OFF selectable by menu)
  • Supported frequencies:
  • WORD CLOCK: 32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192k Hz
  • ATOM: 10.0MHz
  • GPS: 10.0MHz
  • Allowable frequency deviation: ±50ppm
  • AES3/11 INPUT:
  • Connector: XLR-3-31(1: GND, 2: HOT, 3: COLD)
  • Input level: 0.2Vp-p to 10Vp-p
  • Input impedance: 110Ω
  • Format: AES11-2003, AES3-2003, IEC60958-4
  • Supported frequencies: 32k / 44.1k / 48k / 88.2k / 96k / 76.4k / 92k Hz
  • Allowable frequency deviation: ±50ppm
  • CALIBRATION INPUT:
  • Connector: BNC
  • Input level: 0.5 to 5.0 Vp-p
  • Input impedance: 50Ω (ON/OFF selectable by menu)
  • Supported frequencies:
  • ATOM: 10.0MHz
  • GPS: 10.0MHz, PPS
  • Outputs:
  • WORD OUTPUTS:
  • Connector: BNC × 12 (1-12)
  • Output level: 1.0Vp-p to 3.5Vp-p (adjustable in 0.5V steps by menu)
  • Output impedance: 75Ω
  • Supported frequencies: 32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192k Hz
  • ¼×Fs, ½×Fs, 1×Fs, 2×Fs, 4×Fs, 256×Fs (Only OUTPUTS 11-12)
  • AES3/11 OUTPUTS:
  • Connector: XLR-3-31 (1: GND, 2: HOT, 3: COLD) × 2 (1-2)
  • Output level: 2.5Vp-p
  • Output impedance: 110Ω
  • Format: AES11-2003, AES3-2003, IEC60958-4
  • Supported frequencies: 32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192k Hz
  • S/PDIF OUTPUTS:
  • Connector: RCA Pin jacks × 2 (1-2)
  • Output level: 0.5Vp-p
  • Output impedance: 75Ω
  • Format: IEC60958-3
  • USB data transfer
  • Connector: USB B-type
  • Protocol: USB2.0 High Speed (480Mbps)
  • Power supply rating: DC5.0V, 0.2A
  • Internal oscillator performance:
  • TYPE: OCXO
  • Frequency accuracy: ±0.01ppm (factory default value)
  • Frequency stability: ±0.005ppm / day
  • Power:
  • AC100 - 240V, 50/60Hz
  • Power consumption: 11.5W
  • Dimensions (W×H×D): 19.0" × 1.77" × 12.2" / 483 × 45 × 310 mm
  • Weight: 7.1 lbs. / 3.2 kg
  • Operating temperature range: 32˚F to 104˚F / 0˚C to 40˚C
  • Included accessories: Power cords, rackmounting screw kit, operation manual (with warranty)

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