Description
Master Clock Generator
• 0.01PPM word clock accuracy
• Jitter Management and glitch-free relocking circuits
• 12 word clock outputs, two with variable rates
• 10MHz input for Rubidium and GPS clock generators
Master Clock Generator
CG-1000
An OCXO for the best clock precision available
The CG-1000 is a master clock generator based on a high-precision OCXO – Oven Controlled Crystal Oscillator – with jitter management and glitch-free relocking for the best clock precision available, ideal for recording studios, sound engineers and musicians
Features at a glance
- Internal clock uses a high-precision OCXO (oven-controlled crystal oscillator) that is not influenced by the temperature of the environment
- External input connector that supports 10MHz, allowing creation of systems with even higher precision
- Jitter management circuit provides stable clock
- Glitch-free relocking circuit prevents noise and skipping during clock dropouts and recovery
- Numerous output connectors, including (12) word clock outputs, enabling the use in large-scale audio synchronization systems
- AES3 and AES11 signals can also be used for external master clock input sources
- Analyzer function that can measure input frequencies
- Optimal levels can be provided to other devices by adjusting wordclock output levels
- Self-calibration function using an external oscillator (Atomic/GPS 10MHz, GPS PPS)
*Use of the self-calibration function requires the use of a separate PPS-output 10MHz oscillator with a built-in GPS antenna - Word clock performance up to 192 kHz
- Up to (4) system settings can be saved to buttons for recall, and saved settings can be imported and exported via USB
- Durable nut-coupling BNC connectors made by Amphenol
- Independent circuit boards for each connector prevents contact failures due to twisting
- Three-prong IEC power cable included
- Panel-lock switch can be used to prevent inadvertent changes to unit operation
- 128x64-pixel organic EL display with a wide viewing angle
- Firmware updates possible using the USB port
- EIA 1U rack mount size
- RoHS-compliant product
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Spec description
CG-2000 CG-1800 CG-1000 Inputs VIDEO INPUTS Connector BNC × 2 (A/B) 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) – HD video tri-level 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 × 2 (A/B) 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 CALIBLATION 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 VIDEO OUTPUTS Connector BNC × 4 (1-4) – Output impedance 75Ω – 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, 50, 59.94, 60 – 1080i/psf 23.976, 24, 25, 29.97, 30 – 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 ALARM OUTPUT Connector 6-pin Euroblock connector – Output level Open collector – Transmission method Parallel – Output impedance 10ohm – Withstand voltage 20V – Maximum current 35mA – USB A data transfer use by a USB flash drive 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 14W 11.5W 10W Dimensions (W×H×D) 19.0%quot; × 1.77" × 12.2" / 483 × 45 × 310 mm Weight 7.3 lbs. / 3.3 kg 7.1 lbs. / 3.2 kg 6.8 lbs. / 3.1 kg Operating temperature range 32˚F to 104˚F / 0˚C to 40˚C Included accessories Power cords × 2, rackmounting screw kit, operation manual (with warranty) Power cords, rackmounting screw kit, operation manual (with warranty)
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