Product Highlights
With redundancy of both the power supply and the video/audio clock, as well as many other functions that meet the strict demands of broadcasting and post production, the CG-2000 is at the top of its class.
Tascam CG-2000 Master Clock Generator Tascam CG-2000 Master Clock Generator
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Overview

Tascam CG-2000

Video sync / master clock generator for broadcasting and post-production

With redundancy of both the power supply and the video/audio clock, as well as many other functions that meet the strict demands of broadcasting and post production, the CG-2000 is at the top of its class.

Features:

  • The CG Series includes  three distinct models tailored to different types of studios.The CG-2000 is designed for the needs of broadcasting and post production, the CG-1800 for small to large-scale video/audio synchronization systems, and the CG-1000 for recording studios, live sound applications and professional musicians.
  • The crystal oscillator is the heart of the clock generator. In each model of the CG Series, an OCXO (oven-controlled crystal oscillator) is used for its high precision, and the fact it is not influenced by the temperature of the environment. Boasting a clock frequency precision of 0.01 ppm*1, which exceeds that of a TCXO (temperature-compensated crystal oscillator), this unit is key in the creation of high-precision synchronization systems - with word output frequency stability of ±0.005ppm or less per day.
  • The CG-2000 is equipped with an external input connector that supports a 10MHz signal.  This allows it to be connected to a rubidium clock or GPS clock for even higher precision.
  • External clock jitter is reduced using an original TASCAM circuit design that incorporates a high-performance video clock generator engineered with a FPGA*2 and a PLL (phase-locked loop) circuit with a discrete filter. This enables a stable clock signal to be provided to the video/word outputs - improving system stability. The glitch-free relock circuit prevents noise and skipping sounds caused by master clock dropouts.
  • In addition to (12) word clock outputs and (4) video outputs, the digital outputs include (2) AES3/AES11 and (2) S/PDIF outputs, making this unit useful for large-scale audio/video synchronization systems, and a wide variety of other applications. Of the (12) word outputs, two also support x2Fs, x4Fs and 256Fs output - enabling them to be used in systems with ProTools and other DAW software.
  • The CG Series has multiple functions to support maintenance, and the identification of issues if problems occur. The analyzer function measures output device termination, input level measurement (for CG-2000 and CG-1800), and the measurement of input frequencies. These built-in features enable the devices to provide troubleshooting support. Additionally, a logging function enables issues to be listed, and saved to a CSV file format on a USB flash drive.
  • Since crystal oscillators change over time, regular calibration is necessary. In order to avoid possible sync problems, timely inspections – along with regular maintenance is required. The CG Series has a self-correction function, enabling users to conduct maintenance using an external signal input*3 and simple operations.
  • Amphenol BNC connectors on the chassis use nuts for coupling – making them very durable, Also, a single circuit board is used for each connector - providing excellent resistance to the twisting and pulling of cables, and the suppression of interference between connectors.
  • The CG Series is the latest in the line of innovative TASCAM professional digital products – engineered with the latest digital clocking technology.

What's Included

Tascam CG-2000
AC Power Cable
Rackmounting Screw Kit
1 Year Limited Warranty

Reviews

Product Specifications

CG-2000

Video Input

 
Connector 2 x BNC (A/B)
Input Level 0.5 Vp-p to 2.0 Vp-p
Input Impedance 75 ohm (ON/OFF selectable by menu)
Input Signal SD video black burst: NTSC (29.97), NTSC B/W (30), PAL (25)
HD Video Tri-Level 720p: 50, 59.97, 60
1080p: 23.976, 24, 25, 29.97, 30, 59.94, 60
1080i/pfs: 23.976, 24, 25, 29.97, 30
Allowable Frequency Deviation: +/-10 ppm

Wordclock Input

 
Connector 2 x BNC (A/B)
Input Level 0.5 Vp-p to 5.0 Vp-p
Input Impedance 75/50 ohm (75/50/OFF selectable by menu)
Supported Frequencies Wordclock: 32, 44.1, 48, 88.2, 96, 176.4 and 192kHz
ATOM: 10.0 MHz
GPS: 10.0 MHz
Allowable Frequency Deviation: +/-50 ppm

AES3 / 11 Input

 
Connector XLR-3-31(1:GND, 2:HOT, 3:COLD)
Input Level 0.2Vp-p to 10Vp-p
Input Impedance 110 ohm
Format AES11-2003, AES3-2003, IEC60958-4
Supported Frequencies Wordclock: 32, 44.1, 48, 88.2, 96, 176.4 and 192kHz
Allowable Frequency Deviation: +/-50 ppm

Calibration

 
Connector BNC
Input Level 0.5 Vp-p to 5.0 Vp-p
Input Impedance 50 ohm (ON/OFF selectable by menu)
Supported Frequencies ATOM: 10.0 MHz
GPS: 10.0 MHz

Video Output

 
Connector BNC x 4
Output Level 1.3 Vp-p
Output Impedance 75 ohm
Output Signal SD video black burst: NTSC (29.97), NTSC B/W (30), PAL (25)
HD Video Tri-Level 720p: 50, 59.97, 60
1080p: 23.976, 24, 25, 29.97, 30, 59.94, 60
1080i/pfs: 23.976, 24, 25, 29.97, 30

Wordclock Output

 
Connector BNC × 12
Output Level 1.0 Vp-p to 3.5 Vp-p (adjustable in 0.5 V steps by menu)
Output Impedance 75 ohm
Supported Frequencies 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
1/4 x Fs, 1/2 x Fs, 1 x Fs, 2 x Fs, 4 x Fs, 256 x Fs (only outputs 11-12)

AES3 / 11 Output

 
Connector XLR-3-31 (1:GND, 2:HOT, 3:COLD) ×2
Output Level 2.5 Vp-p 
Output Impedance 110 ohm
Format AES11-2003, AES3-2003, IEC60958-4

Supported Frequencies

32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

S / PDIF Output

 
Connector RCA coaxial x 2
Output Level 0.5 Vp-p
Output Impedance 75 ohm
Format IEC60958-3

Alarm Output

 
Connector 6-pin Euroblock
Output Level Open collector
Transmission Method Parallel
Output Impedance 10 ohm
Withstand Voltage 20 V
Maximum Current 35 mA

USB

 
Connector 4-pin type B
Protocol USB2.0 High Speed (480 Mbps)
Power Supply Rating DC 5.0 V, 0.2 A

Internal Oscillator Performance

 
Type OCXO
Frequency Accuracy  +/-0.01 ppm (factory default value)
Frequency Stability +/-0.005 ppm / day
Operating Temperature 0 to 40°C (32 to 104°F)
Power Requirements 100~240 VAC, 50/60 Hz
Power Consumption: 10 W
Dimensions (W x D x H) 483 × 310 × 45 mm (19 x 12.2 x 1.75")
Weight 3.3 kg (7.3 lbs)

Questions & Answers

Tascam CG-2000 Master Clock Generator

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