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ADC-3981 Installation and Operation Manual

Chapter 4: Specifications

Input

Analog Audio (Balanced)

External Reference

Table 4-1.

Analog Audio Input Specifications

Item

Specification

Number of inputs

Input connector

DB-25 (female)

Input coupling

AC-coupled

Input impedance

600

Ω

or High Impedance, jumper selectable

Maximum input level

12 dB to 28 dB

Table 4-2.

External Reference Specifications

Item

Specification

Genlock Input

Input connector

BNC

Lock to Sync

Yes

Sync locking level

±6 dB

Return loss

>40 dB up to 10 MHz

DARS Input

Unbalanced

Balanced

Connector type

BNC

DB-25

Impedance 75

Ω

110

Ω

Return loss

>35 dB up to 6 MHz

Not applicable

AES reference
sampling rate

32 kHz, 44.1 kHz, 48 kHz, 96 kHz

Содержание neo adc-3981

Страница 1: ...Delivering the Moment Installation and Operation Manual Neo ADC 3981 Analog to Digital Converter Edition B 175 000071 00...

Страница 2: ...foCaster Player Nexio InfoCaster Traffic Nexio InstantOnline Nexio mCAPTURE Nexio News Force Nexio NXIQ Nexio Playlist Nexio Remote Nexio RTX Net Nexio TitleMotion Nexio TitleOne Nexio Velocity ESX Ne...

Страница 3: ...Edition B December 2005 ADC 3981 Analog to Digital Converter Installation and Operation Manual...

Страница 4: ......

Страница 5: ...ents ix Unpacking the Module ix Safety Standards and Compliances x Safety Terms and Symbols x Restriction on Hazardous Substances RoHS Directive xi Waste from Electrical and Electronic Equipment WEEE...

Страница 6: ...view 19 Operation Notes 20 Cross Functional Parameter Changes 21 Navigating the Operator and All Lists 22 Operator and All List Parameters 23 Setup Parameters 26 Alarms 27 Alarm Synchronization 27 Ide...

Страница 7: ...nts Power Consumption 36 Start Up Time 36 Appendix A Tree View Navigation Overview 37 Navigating the Tree View 38 Tree View Parameters 39 Appendix B Audio Bit Manipulation Overview 43 Channel Status B...

Страница 8: ...vi ADC 3981 Installation and Operation Manual Contents...

Страница 9: ...ence This manual is written for engineers technicians and operators responsible for the installation setup maintenance and operation of the NEO ADC 3981 Analog to Digital Converter Revision History Ta...

Страница 10: ...blications and first instances of new terms and specialized words that need emphasis CAPS Indicates a specific key on the keyboard such as ENTER TAB CTRL ALT DELETE Code Indicates variables or command...

Страница 11: ...2 Confirm that you have received all items listed on the packing list 3 Remove the anti static shipping pouch if present and all other packaging material 4 Retain the original packaging materials for...

Страница 12: ...ual Safety Terms and Symbols This manual uses the following safety terms and symbols See your NEO Safety Instructions and Precautions Guide for more information Table P 3 Safety Terms and Symbols Used...

Страница 13: ...s effect on July 1 2006 and it refers to the following hazardous substances Lead Pb Mercury Hg Cadmium Cd Hexavalent Chromium Cr V1 Polybrominated Biphenyls PBB Polybrominated Diphenyl Ethers PBDE In...

Страница 14: ...l and electronic equipment at the end of its useful life and must not dispose of the equipment in landfills or by using other unapproved methods Some EU member states may have different deadlines In a...

Страница 15: ...anual includes information about these items General information about module unpacking installation removal navigation configuration and setup Card edge screen savers State recovery parameters Fan mo...

Страница 16: ...es These are the main features of the ADC 3981 module Two independent analog to digital conversion channels 32 44 1 48 96 kHz capability Selectable 16 20 and 24 bit analog to digital conversion Intern...

Страница 17: ...view Nav Nav switch up down Extractor handle Escape button Module Status Minor Alarm Major Alarm Power SW1 Nav Nav Enter Esc MAJOR ALARM MINOR ALARM POWER MODULE STATUS Module indicators Remote Local...

Страница 18: ...ule Figure 1 2 ADC 3981 BM Back Module Back Module Pinouts Figure 1 3 shows the pinouts for the Analog Audio In DARS In and Balanced AES Out connectors on the ADC 3981 BM back module Figure 1 3 ADC 39...

Страница 19: ...ed pair audio cables directly to the back module Figure 1 4 identifies the screw terminals for the AIB 25 MF plug in adapter Figure 1 4 Screw Terminals for the AIB 25 MF Plug in Adapter G G Ch 2B G G...

Страница 20: ...l Chapter 1 Introduction Signal Flow Figure 1 5 illustrates the signal flow of the ADC 3981 Figure 1 5 ADC 3981 Functional Block Diagram 2 AES 75 CPU 4 analog audio or 2x2 analog audio A D 2 AES 110 C...

Страница 21: ...version from the Leitch Web site www leitch com to access this information In this chapter you can find information on the following topics Packing List on page 8 Installing ADC 3981 Modules on page 8...

Страница 22: ...nual per manual Installing ADC 3981 Modules For general information about installing NEO modules see your NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual See page 9 f...

Страница 23: ...t jumpers See Figure 2 1 for the location of these jumpers and the table on page 10 for the configuration of the jumpers Each jumper set consists of three upright pins In each set Pin 1 is marked with...

Страница 24: ...identifies the four valid jumper configurations for the ADC 3981 Table 2 1 Jumper Configuration Jumper Name Jumper Pair Setting Visual Configuration Jumpers J28 and J29 balanced and unbalanced DARS Ba...

Страница 25: ...Procedure on page 15 Upgrading the Firmware Discovery Method Follow these steps to upgrade the firmware using the Discovery method 1 Download the most recent appropriate upgrade package from the Leit...

Страница 26: ...box browse and select the fl0 folder in the module s upgrade package 3 Click OK 4 Select the files shown in the Add Upgrade Files box and then click OK 5 Select and delete unwanted files for example...

Страница 27: ...the device icon and then select Properties 4 On the NRO or Device tab of the Navigation Properties box enter the IP address of the frame that holds the module See Figure 2 2 Figure 2 2 Navigation Pro...

Страница 28: ...ot number directory in the Select the device directory to transfer to field 2 Click Add and in the Add Upgrade Files box browse and select the fl0 folder in the module s upgrade package 3 Click OK 4 S...

Страница 29: ...re performing this procedure check the appropriate readme file to confirm which files are needed Use care to ensure that you upload the correct files to the intended module Setting the Module to Fail...

Страница 30: ...t field enter the slot number of the module and then close the window 6 Double click the device icon The Configuration box opens On the Software Upgrade tab the slotx boot where x is the slot number d...

Страница 31: ...7 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remove 8 Click Perform Transfer and then click Yes 9 Wait for the message...

Страница 32: ...18 ADC 3981 Installation and Operation Manual Chapter 2 Installation and Removal...

Страница 33: ...ad an updated version from the Leitch Web site www leitch com to access this information This chapter describes how to operate the ADC 3981 module using card edge controls The following topics are fou...

Страница 34: ...not be saved until 20 seconds after the second parameter change There is no limit to the number of changes that can be made within 20 seconds of each other However none of these changes will be saved...

Страница 35: ...ic parameters you force changes to occur in other parameters Table 3 1 describes the cross functional parameter changes for the ADC 3981 Table 3 1 Cross Functional Parameter Changes Condition Forced S...

Страница 36: ...tion in the list appears 4 Push the Enter button again to access the options for the parameter displayed on the VFD screen OR Press the Nav Nav switch down repeatedly to view other parameters and then...

Страница 37: ...e shows all available parameters Parameters accessed only from within the All List are shaded in gray See Navigating the Operator and All Lists on page 22 for instructions on navigating this list usin...

Страница 38: ...ects the dithering resolution for output channel 2 24 bits 20 bits 16 bits AudIp1Lvl AudIp2Lvl Audio Input 1 Level to Audio Input 2 Level Indicates the operational level adjustment for input channel 1...

Страница 39: ...Genlock Video Present Returns the presence of the video signal from the external reference source Yes No GlLocked RO Genlock Locked Returns the locked status of the external reference signal Not Locke...

Страница 40: ...Adjustment modes Browse modes Scroll modes Display intensity Parameter descriptions Name FrameIP Sync full About mode The structure of the Setup menu is located at the end of Appendix A Tree View Nav...

Страница 41: ...anels are consistent If the ADC 3981 module is set for local control the alarm settings will appear the same at both the card edge and via CCS but the settings can only be changed using the card edge...

Страница 42: ...enable or disable these settings but you cannot change the level of the alarm State Recovery Parameter Availability The parameter settings for this module are automatically saved onto the 3901RES E r...

Страница 43: ...failures or impending failures within the module They are also found in the following locations As red or yellow LEDs on the 3901AIC Alarm Interconnect Module or the 3901RES E Resource Module visible...

Страница 44: ...cators Top View Top view Nav Nav switch up down Extractor handle Escape button Module Status Minor Alarm Major Alarm Power SW1 Nav Nav Enter Esc MAJOR ALARM MINOR ALARM POWER MODULE STATUS Module indi...

Страница 45: ...detects NTSC genlock The module detects PAL B genlock when the LED is unlit DARS Present Green DARS is present DARS Ref Error Yellow DARS sample rate cannot match the operational sample rate AES1 Pre...

Страница 46: ...tor Color Meaning When Lit Major Alarm Red The module detects one or more of the following problems Loss of DARS reference Loss of genlock reference Loss of locked genlock reference See the active ala...

Страница 47: ...3 Chapter 4 Specifications Overview The tables in this chapter list the following specifications for the ADC 3981 module Input on page 34 Output on page 35 Miscellaneous on page 36 Specifications and...

Страница 48: ...C coupled Input impedance 600 or High Impedance jumper selectable Maximum input level 12 dB to 28 dB Table 4 2 External Reference Specifications Item Specification Genlock Input Input connector BNC Lo...

Страница 49: ...balanced Impedance 75 110 Standard AES3 1992 AES3id 1995 and SMPTE276M Channel status Professional enhanced 110 Outputs Output impedance 110 20 Output level 4 V pk to pk Output common mode 30 dB belo...

Страница 50: ...kHz 96 kHz Frequency response 0 06 dB 0 dBFS 20 Hz to 20 kHz Linearity 0 3 up to 100 dBFS Signal to noise 103 dB no filter 106 dB A weight THD N 0 003 20 Hz to 20 kHz 1 dBFS 23 dBu High Z Load IMD 95...

Страница 51: ...des the Tree View is a multi level list of parameters arranged in the following main groups Input on page 39 Other on page 39 Output on page 39 Processing on page 40 Setup on page 40 See page 26 for m...

Страница 52: ...Three and Four 7 If the parameter is selectable slide the bar to the desired parameter using the Nav Nav switch OR Select the desired item in the Level Four list and then press Enter Once the Level Fo...

Страница 53: ...avigating the Tree View Input BasicStat GlStdFb RO Options PAL B NTSC Ch1Peak and Ch2Peak RO Options Yes No Ch1Mute and Ch2Mute RO Options Yes No Critical DARSPrsnt RO Options Yes No DARSRefErr RO Opt...

Страница 54: ...2_Resln Options 24 bits 20 bits 16 bits Tone1Lvl Tone2Lvl Tone3Lvl Tone4Lvl Range 36 0 dBFS to 0 0 dBFS 18 dBFS LockMode Options Delay FreeRun LckSource Options DnStream DARS Card GL Setup Alarms Conf...

Страница 55: ...y Options 100 50 25 12 Param Desc Parameter Description Options Disabled Enabled Name ADC 3981 Frame IP see note for default settings Options IP Address Subnet Gateway Sync Full Options No Yes About R...

Страница 56: ...42 ADC 3981 Installation and Operation Manual Appendix A Tree View Navigation...

Страница 57: ...on Manual 43 Appendix B Audio Bit Manipulation Overview The following tables contain information on manipulating audio bits in the ADC 3981 module The receiver classification is B3 the transmitter cla...

Страница 58: ...ated 01 48 kHz 10 44 1 kHz 11 32 kHz Set to 00 if SampleRate 96 kHz Set to 01 if SampleRate 48 kHz Set to 10 if SampleRate 44 1 kHz Set to 11 if SampleRate 32 kHz 1 0 to 3 0000 Not indicated 0001 Two...

Страница 59: ...4 3 to 6 Reserved Set to 0100 if SampleRate 96 kHz otherwise set to 0000 4 7 Reserved Set to 0 5 0 to 7 Reserved Set to 0 6 to 9 0 to 7 Alphanumeric channel origin data Set to 0 10 to 13 0 to 7 Alphan...

Страница 60: ...ation and Operation Manual Appendix B Audio Bit Manipulation Validity and User Bits Table B 2 V Bit and U Bit Manipulation Bit Manipulation Function Remarks Validity V Bit 0 Valid 1 Invalid Set to 0 U...

Страница 61: ...led upgrade 15 17 cross functional parameter changes 21 D default settings for alarms 28 DejaView 27 digital audio specifications 35 disabling or enabling alarms 28 Discovery method of upgrading 11 12...

Страница 62: ...ications 36 R rebooting the module 12 14 17 removing and installing modules 8 restoring default settings for alarms 28 returning equipment ix revision history vii S safety standards and compliances x...

Страница 63: ......

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