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ADA8824

A/D - D/A Platform

(ADAT Interface)

User’s Guide

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Summary of Contents for ADA8824

Page 1: ...ADA8824 A D D A Platform ADAT Interface User s Guide...

Page 2: ...ty 29 Rev A 0 June 1 1999 Lucid Technology part number 53ADAT1A00 Specifications subject to change without notice 1999 Lucid Technology All rights reserved Lucid is a registered trademark of Symetrix...

Page 3: ...analog I O channels are equipped with XLR connectors which accept or deliver either balanced or unbalanced signals The AES EBU digital I O channels use XLR connectors and the lightpipe connections us...

Page 4: ...OR SAFETY SUMMARY AVIS NE PAS OUVRIR Il ne se trouve a l interieur aucune piece pourvant entre repar e l usager SEE OWNERS MANUAL VOIR CAHIER D INSTRUCTIONS S adresser a un reparateur comp tent RISQUE...

Page 5: ...correct value is 1 2A 250VAC slow blowing Bussman type GDC 500MA For 230VAC operation the correct value is 1 4A 250VAC slow blowing BussmantypeGDC 250MA Operating Location Do not operate this equipmen...

Page 6: ...your audio system each system s grounding is totally separate and isolated There isn t nearly enough room on the interface card s mounting bracket to house suitable connectors The rear panel of the 88...

Page 7: ...channels Connect the lightpipe connectors to and from your computer s lightpipe interface card There is no provision within the unit to operate the lightpipe connectors in thru mode MIDI Connections...

Page 8: ...IF connectors to consumer audio digital inputs Connect the Word Clock input connector to a source of digital audio word clock Connect the Word Clock output connector to any other unit requiring the wo...

Page 9: ...meters Refer to Table 1 In Remote mode the arithmetic sum of the bit values of these switches SW5 7 sets the MIDI device number 0 7 SW8 switches the MIDI command input between the ADAT Sync input and...

Page 10: ...locks one for channels 1 2 3 4 5 6 7 8 A D Sync Source Select from the following ADAT Word Clock Internal 44 1kHz internal 48kHz AES 1 2 AES 3 4 AES 5 6 S PDIF The 8824 locks its clock to the selected...

Page 11: ...dBV signals At 0dB of gain an input signal of 4dBu corresponds to a reading of 0dBFS as read on the 8824 s meter These readings are based on the use of sinewaves The same gain relationship applies at...

Page 12: ...TECHNOLOGY l d i c u 8824 METERING SYNC 48 kHz 44 1 kHz WORD CLK AES EBU 1 SYNC LED Meters 15 segment LED bargraph meters display digital or analog signal levels from either input or output The sourc...

Page 13: ...ts UP is analog Down is ADAT The optical output source switch determines whether the source for the optical output is the AES EBU or analog output signals UP is AES DOWN is analog The meter source sel...

Page 14: ...e is 20 kilohms balanced diff amp input The maxi mum input level is 25 dBu This connector should be driven from a low source impedance Analog Outputs XLR 3 male connector This connector delivers balan...

Page 15: ...l outputs If the AES EBU outputs are fed from the analog inputs the word clock output gets its signal from the A D sync source If the AES EBU outputs are fed from the ADAT optical input the word clock...

Page 16: ...ution for low levels but higher headroom Of course if the signal is already recorded then it s just a matter of getting levels set properly and then making the transfer into your workstation It s conc...

Page 17: ...de and z1 through zn is the data associated with the command the length varies depending on the command Command information Set Mode F0 00 00 5E 58 x 20 z F7 where z is defined as follows Bit 0 Analog...

Page 18: ...a 20dBFS input translates to approximately 10dBV In both of these cases the actual headroom before clipping depends on the inputs of the mixer power amplifier etc that the 8824 is driving Set digital...

Page 19: ...1 11 21 01 00 00 00 0B 00 00 00 00 03 00 02 28 31 11 21 01 00 00 00 2B 00 00 00 00 03 00 02 48 31 11 21 01 00 00 00 4B 00 00 00 00 03 00 02 68 31 11 21 01 00 00 00 6B 00 00 00 00 03 00 02 Not indicate...

Page 20: ...ignal Note You can not record 24 bit signals onto a DAT recorder unless your DAT machine is one that has 24 bit recording capability The DAT format is 16 bit by design Trying to record longer word len...

Page 21: ...ical I O In this application the 8824 operates as an eight channel 24 bit A D and D A converter connected to a host computer equipped with an ADAT lightpipe I O card Refer to figures at right The DIP...

Page 22: ...detailed discussion of the 8824 s dip switch settings The screen shot of the configuration applica tion shows the selections made to make this application scenario operate in Remote mode Note that it...

Page 23: ...analog audio and AES EBU digital signal pairs Refer to figures at right The DIP switch settings shown are for operation in Local mode Refer to page 7 for a detailed discussion of the 8824 s dip switch...

Page 24: ...ion in Local mode Refer to page 7 for a detailed discussion of the 8824 s dip switch settings The screen from the configuration application shows how to configure the units via computer There are thre...

Page 25: ...OCAL MODE REAR DIP SWITCH MASTER 7 8 6 5 7 5 6 8 4 3 1 2 1 4 3 2 8 7 6 5 3 2 1 4 REAR DIP SWITCH 8 7 6 4 3 2 1 5 ALL LOCAL MODE SLAVE C B A 8 7 5 6 8 6 5 7 4 2 3 1 2 3 4 1 8 7 5 6 8 6 5 7 4 2 3 1 2 3...

Page 26: ...X X Number True Voice X X Velocity NoteON X X NoteOFF X X After Key s X X Touch Ch s Pitch Bender X X Control X X Change Program Change True X X System Exclusive O O System Song Pos X X Song Sel X X...

Page 27: ...48 kHz WORD CLK 30 50 40 60 30 50 40 60 30 50 40 60 AES EBU 0 18 30 40 50 60 21 27 24 12 15 9 3 6 1 SIGNAL ATTENUATORS SIGNAL ATTENUATORS ATTENUATORS SIGNAL ATTENUATORS SIGNAL CONVERTERS D A D A CONV...

Page 28: ...Maximum input level 25 dBu Maximum output level 25 dBu open circuit Performance Data Analog to Digital Conversion 24 bit delta sigma Signal to Noise Ratio A weighted 113dBFS THD Noise 0 005 0dBFS 1kHz...

Page 29: ...interest of continuous product improvement Lucid Technology reserves the right to alter change or modify these specifications without prior notice Note The maximum operating ambient temperature is 25...

Page 30: ...ect The foregoing warranties are in lieu of all other warranties whether oral written express implied or statutory LucidTechnology expressly disclaims any IMPLIED warranties including fitness for a pa...

Page 31: ...etic compatibility Generic emission standard Part 1 Residential commercial and light industry EN 55103 2 Electromagnetic compatibility Generic immunity standard Part 1 Residential commercial and light...

Page 32: ...30 Lucid Technology 14926 35th Avenue West Lynnwood WA 98037 USA Tel 425 742 1518 Fax 425 742 0564 Email lucid lucidtechnology com Website www lucidtechnology com...

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