INTRODUCTION iCLOCK is a synchronizable, high-precision clock synthesizer which is designed to be the reference in digital audio and video studios as well as broadcast stations. Based on a totally new concept of frequency generation, developed by MUTEC, the unit offers an unchallanged flexibility for synchronization of different devices to one house clock. On this occasion iCLOCK breaks traditional and unflexible forms of chaining input and output signals and allows for the first time their completely free combination and scalability. SYNCHRONIZABLE REFERENCES: • PAL/SECAM + NTSC video • Word Clock • Word Clock x 256 (Super Clock for ProTools™ systems) • DSD64, DSD128 + DXD • AES/EBU3+11 • AES/EBUid3+11 • S/PDIF • GPS • Telecom • DCF77 • Internal oscillator • Further formats through option cards GENERATABLE OUTPUT CLOCK SIGNALS: • PAL + NTSC Black+Burst or composite video sync • Word Clock • Word Clock x 256 (Super Clock for ProTools™ systems) • DSD64, DSD128 + DXD • Film and video frame and field rates. • AES/EBU11 • S/PDIF • Further formats through option cards     INNOVATION iCLOCK’s principle operation is completely different to conventional products. The user, as a matter of priority, defines the clock rates and formates which have to be constantly available at the outputs without any disturbances – not depending on the incoming reference signals. Limitations regarding defined combinations of input and output clock signals do not exist for iCLOCK. FEATURES: • Synchronizable digital audio clock synthesizer with integrated PAL/NTSC video + AES/EBU + S/PDIF sync generators. • High-accurate reference generation with an accuracy of < 0.1ppm. • Lowest jitter clock base of <1ps (RMS). • Redundant (fail-safe) operation. • DDS-based jitter elimination of incoming reference signals. • Synchronizable PAL/NTSC, AES/EBU and S/PDIF generators. • Synchronization and generation of 36 different Word Clocks rates. • Generation of PAL, NTSC and film frame and field rates. • Synchronization and generation of all AES/EBU and S/PDIF clock rates up to 192.0kHz. • DSD64, DSD128 + DXD clock rates standardly supported. • No limitation of input assignment at the universal inputs. • SoftRelock functionality for recurring reference signals. • CYCLESYNC functionality for automatically re-synchronization. • Drop out compensation of incoming reference signals. • Generation of multiple clock rates at the same time. • Free scalability of all output clock signals. • Automatic signal management aligned to AES11 and EBU R83. • Digital varispeed up to ±20%. • Supports all pull up/pull down rates for film, audio and video transfers. • Follows external references up to ±20% (reducible). • Programming of additional clock rates between 1.0Hz-25.0MHz. • Programming of additional lock ranges between 1.0kHz-30.0MHz. • Easy and convenient operation through large display. • Soft and hardware upgradeability and recalibratability. iCLOCK's philosophy is addressed to provide the highest possible failure safety for all outgoing clock signals which is needed especially for broadcast stations or centralized clock distribution systems. With regards to this functionality up to 3 independent external references can be auto-detected and locked in a user-defined sequence without any phase-jumps or interruptions in the outgoing signals. This applies also to external clock frequency changes, e.g. from 44.1kHz to 48.0kHz or reference clock changes, e.g. from video to GPS or AES/EBU. Even a manual change of the reference signal by replugging the clock lines at the input connectors is possible during operation(!). If all external references are lost, iCLOCK synthesizes the outgoing clock signals based on the last incoming frequency constantly. This applies also if a reference signal drifts out of the lock range. If the absent reference clock returns the synthesizer will lock gradually again based on iCLOCK's SoftReLock functionality which ensures interruption-free adjustments of all outgoing clock signals. In this case a continuously clock supply for all connected devices is guaranteed during any operation mode. Using DDS-coupled frequency generation and latest DSP-based filtering technologies in combination with an extremely low-jitter clock basis of < 1ps (RMS), iCLOCK eliminates the jitter of incoming reference signals completely. This ensures highest possible jitter attenuation for all outgoing clock signals. As a result the synchronization of connected devices is much more reliable and the sound quality of every AD/DA converter will be increased significantly. INTELLIGENCE For todays A/V productions a precision synchronization of the used audio and video equipment is imperative. To reach the maximum of accuracy for synchronization of audio and video equipment, iCLOCK offers a unique, high-precision signal management. The phase relationships of all input and output signals will be observed and adjusted in real-time automatically, aligned to AES11-1997/2003 und EBU R83-1996. This process reaches a control accuracy in the nanosecond range. INTEGRATION Due to requirements of todays professional A/V studios, iCLOCK offers in its basic version a variety of clock outputs with variable adjustable parameters. In the case that often devices of different generations have to work together, especially the status bit settings of the AES/EBU and S/PDIF outputs are individually adjustable in different parameters. As for future standards of digital audio technologies iCLOCK offers already today an unequalled variety of synchronizable and generatable Word Clock rates. On this occasion the system does not limit to the currently “highest” clock rate of 192.0kHz, but it supports a total of 36 different clock rates up to 24.576MHz(!). Included are so-called Super Clocks for Digidesign’s ProTools™ system as well as DSD and DXD clock rates for SACD mastering applications. Due to iCLOCK’s unique principle of frequency generation all clock rates can be routed to the Word Clock outputs individually. iCLOCK provides standardly all pull up and pull down factors for audio, video and film transfers. As well as a powerful a digital varispeed function. That can be used to accommodate a playback to the pitch of the singers voice or to generate new pull up/pull down rates. As for simultaneous editing of PAL and NTSC based video material, a second video generator (P/NVSG-02, 8010-010) is available as an upgrade. Both generators are adjustable independently and can be locked to any accepted incoming reference signal. Furthermore an alarm interface (iC-ALARM, 8005-065) is optionally available to observe different possible failure conditions, like reference clock loses or power supply loses, from a centralized location. INVESTMENT INTO THE FUTURE Due to its unique concept, iCLOCK is not only oriented on current requirements of digital audio and video techniques. With their trend-setting features and software and hardware upgradability it is also usable for future technology standards. Thus iCLOCK represents a long-term investment for every modern A/V studio. Regarding many unique features like • synchronizing and generating of all Word Clock rates from 8.0kHz to 24.576MHz (DSD and DXD clock rates included), • generating PAL and NTSC composite video sync simultaneously, • free scalability of all clock outputs, • automatic locking up to 3 different external references, • generation of different film and video frame clock rates, • digital varispeed up to ±20%, • automatic real-time phase-correction of all outgoing clock signals, • programming of new clock rates on customer's request, • soft and hardware upgradability and recalibratability, MUTEC’s iCLOCK offers all technologies and the most versatile concept for future-oriented reference generation today! APPLICATIONS: • A/V synchronization • Jitter attenuation in clock signals • Centralized + redundant A/V clock distribution • Conversion between PAL, NTSC, Word Clock, AES/EBU, AES/EBUid, S/PDIF, GPS, Telecom, DCF77 as well as optional formats and standards • Failure securing in clock distribution systems • Film, video and audio transfers • Coupling of PAL and NTSC based multi-format systems • Synchronization of A/V equipment with foreign clock systems SET-UP EXAMPLE: This diagram shows bi-directional format and sampling rate conversion synchronized to one common house clock.

SYNCHRONIZABLE + GENERATABLE WORD CLOCK FREQUENCIES		Factors/Dividers of basic clocks Basic clock: 32.0kHz Basic clock: 44.1kHz Basic clock: 48.0kHz           /4       8.0          11.025          12.0                    /2       16.1          22.05          24.0                    x1       32.0          44.1          48.0                    x2       64.0          88.2          96.0                    x4       128.0          176.4          192.0                    x8       256.0          352.8          384.0                    x16       512.0          705.6          768.0                    x32       1024.0          1411.2          1536.0                    x64       2048.0          2822.4          3072.0                    x128       4096.0          5644.8          6144.0                    x256 8192.0          11289.6          12288.0                    x512 16384.0          22579.2          24576.0
GENERATABLE FRAME AND FIELD CLOCK RATES		Type PAL/SECAM (Hz) NTSC (Hz) Film (Hz)   Color Frame Rate 25            29,97          24              Color Field Rate 50            59,94          48              Black + White   Frame Rate -            30          -              Black + White   Field Rate -            60          -            All clock rates are only generatable, not synchronizable!
SYNCHRONIZABLE + GENERATABLE AES/EBU + S/PDIF CLOCK RATES		Dividers/Factors Basic clock: 32,0kHz Basic clock: 44,1kHz Basic clock: 48,0kHz           /2       16,0*        22,05*       24,0*                  x1       32,0          44,1          48,0                    x2       64,0          88,2          96,0                    x4       128,0          176,4          192,0          *) Only generatable, not synchronizable!
UNIVERSAL SYNC INPUTS		Interfaces 2 x BNC female, unbalanced, isolated from earth, 200mV-5.0V, input impedance 75Ω (switchable) Synchronizable clock formats PAL + NTCS composite video, all frame rates Word Clock, every audio clock rate from 8.0kHz to 24.576MHz, incl. Word Clock x 256 for ProTools™ systems DSD 64, DSD 128 + DXD AES/EBUid3 + 11, every audio clock rate from 32.0kHz to 192.0kHz S/PDIF, every audio clock rate from 32.0 kHz to 192.0 kHz GPS, 1.0MHz, 2.5MHz, 5.0MHz, 10.0MHz Telecom, 1.024MHz, 2.048MHz DCF77, 77.5kHz
AES/EBU SYNC INPUT		Interface 1 x XLR female, transformer balanced, input impedance 110Ω, 200mV-7V Formats AES/EBU3 - 1992 + AES/EBU11 - 1997 Resolution 16-24bits Lock range Every audio clock rate from 32.0kHz to 192.0kHz
VIDEO SYNC OUTPUTS		Interface 4 x BNC female, unbalanced, output impedance 75Ω, individually buffered, adjustable in pairs Output levels • 300mV (p-p) burst level @ 75Ω • 300mV (p-p) H/V sync level @ 75Ω • 2.0V (p-p) H/V sync level @ 75Ω, only composite video sync Sync formats PAL or NTSC black or black + burst or composite video sync
WORD CLOCK SYNC OUTPUTS		Interface 8 x BNC female, unbalanced, individually buffered, adjustable in pairs Output levels • 2.5V (p-p) @ 75Ω, output impedance 75Ω • 3.5V (p-p) @ 75Ω, output impedance 22Ω Generatable clock rates Every audio clock rate from 8.0kHz to 24.576MHz incl. Word Clock x 256 for ProTools™ systems
AES/EBU SYNC OUTPUTS		Interface 4 x XLR male, transformer balanced, 4.0V (p-p) @ 110Ω, output impedance 110Ω, individually buffered, adjustable in pairs Format AES11 - 1997/2003 in generator mode; AES/EBU 3-1992/2003 in distribution mode Format adjustments Professional/consumer, audio status, reference status, lock status, DC offset -90dBFs Resolution adjustments 16bits, 18bits, 20bits or 24bits Generated clock rates Every audio clock rate from 16.0kHz to 192.0kHz
S/PDIF SYNC OUTPUTS		Interface 2 x Coaxial (Cinch/RCA female), unbalanced, 0.5V (p-p) @ 75Ω, output impedance 75Ω, individually buffered, adjustable in pairs Format IEC 60958 blank frame Format adjustments Consumer/professional, audio status, reference status, DC offset -90dBFs Resolution adjustments 16bits, 18bits, 20bits or 24bits Generated clock rates Every audio clock rate from 16.0kHz to 192.0kHz
INTERNAL REFERENCE OSCILLATOR SPECIFICATIONS		Oscillator type TCXO, temprature compensated crystal oscillator, burned-in and pre-aged Clock accuracy (shipped) <±0.1ppm Clock stability versus temperature. <±0.5ppm Clock jitter <6ps (p-p), <1ps (RMS), measure bandwidth: 20.0 Hz – 100.0 kHz Operating temperature -10°C to +60°C
FREQUENCY SYNTHESIS PROCESSING		Reference frequency synthesis Direct Digital Synthesis (DDS), 172.8MHz internal clock rate, 48bits frequency resolution Varispeed synthesis ±20% from nominal clock rate, 0.0001% (1ppm) lowest adjustable increment Pull up/pull down synthesis +0.1%, -0.1%, +4.166%, -4.0%
VIDEO GENERATOR SPECIFICATIONS		Generated video formats PAL 25fps, 625 lines, black or black + burst composite video sync NTSC 29.97fps, 525 lines, black or black + burst composite video sync Specifications 300mV (p-p) ± 7mV burst level @ 75Ω 300mV (p-p) ± 7mV H/V sync level @ 75Ω 2.0V (p-p) ± 40mV H/V sync level @ 75Ω, only composite sync Operation modes Synchronized to all external references, free-running, video signal distribution
EXTERNAL CONTROL		Interface RJ45 shielded jack, 8 pin Format RS 485 Functions Remote controlling of whole system (none standard), software updating, programming
POWER SUPPLY		Type Internal, switching power supply Input voltage 85V - 264V (automatic adjustment), 47Hz - 440Hz Power consumption max. 12W
SYSTEM UNIT COVER		Cover size/material/color 440 x 44 x 200mm without connectors (W x H x D), steel sheet 1mm, black Front panel size/material 483 x 44 x 3mm (W x H x D), aluminium Weight iCLOCK ~ 3000g Weight iCLOCKdp ~ 3100g
OPTIONS (in future available)		iCLOCKdp iCLOCK with double power supplies and double power inputs for redundant working P/NVSG-02 Second synchronizable PAL + NTSC black + burst or composite video sync generator iC-ALARM Relay-coupled alarm signal output expansion iC-WCO4 4 x Word Clock output expansion iC-CAL0.1 Calibration service of internal reference oscillator to < ± 0.1ppm

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