ARINC 566A:1998
ARINC 566A:1998 Mark 3 Vhf Communications Transceiver Describes the basic VHF communications transceiver system of the airline industry. Describes two versions of an airborne VHF SATCOM terminal.
Table of Contents
1.0INTRODUCTIONANDDESCRIPTION1.1PurposeofthisCharacteristic
1.2UnitDescription
1.2.1VHFTransceiverUnit
1.2.2ControlPanel
1.2.3RemoteFrequencyReadoutIndicator
1.2.4Antenna
1.3FunctionoftheEquipment
1.4Interchangeability
1.4.1GeneralRequirementsforInterchangeability
1.4.2InterchangeabilityRequirementsforARINC
566AEquipment
1.4.3GenerationInterchangeabilityRequirements
fortheARINC566ATransceiver
1.5SystemParameters
1.6ApplicablePublications,Specificationsand
Reports
1.7RegulatoryApproval
2.0STANDARDSREQUIREDTOEFFECT
INTERCHANGEABILITY
2.1FormFactorsandConnectors
2.1.1TransceiverUnit
2.1.2ControlPanel
2.1.3Antennas
2.1.4RemoteFrequencyReadoutIndicator
2.2Weight
2.3Interwiring
2.4PrimaryPowerInput
2.5PowerControlCircuitry
2.6ControlPanelWiring
3.0TRANSCEIVERUNITDESIGN
3.1FrequencyRangeandChannelling
3.2FrequencySelection
3.3TransmitterFrequencyOffset
3.4ReceiverSensitivity
3.5ReceiverSelectivity
3.6UndesiredResponses
3.7CrossModulation
3.8AudioOutput
3.8.1Gain
3.8.2AudioOutputLevelVariationwithLoad
Impedance
3.8.3AudioFrequencyResponse
3.8.4HarmonicDistortion
3.9AutomaticGainControl
3.10NoiseLimiters
3.11SquelchProvisions
3.12DesensitizationandInterferenceRejection
3.12.1AGCVersusPulseInterference
3.12.2SquelchVersusPulseInterference
3.12.3PulseNoiseOutput
3.12.4ReceiverOperationinthePresenceofInband
Transmissions
3.12.5Out-of-BandFMBroadcastIntermodulation
Interference
3.12.6Out-of-BandFMBroadcastDesensitization
Interference
3.13SELCALAudioOutputProvisions
3.14ReceiverRecovery
3.15AircraftElectricalPowerCharacteristics
3.16InternalCircuitProtection
3.17TransmitterFrequencyStability
3.18TransmitterPowerOutputandDutyCycle
3.19TransmitterSidetone
3.20TransmitterSpuriousRadiation
3.21TransmitterMicrophoneProvisionsand
FrequencyResponse
3.21.1MicrophoneInputProvisions
3.21.2FrequencyResponse,SignalConditioningand
SpeechProcessing
3.21.2.1FrequencyResponse
3.21.2.2SpeechProcessing
3.21.2.3TransmitterDistortion
3.21.3TransmitterEnergizing("Press-to-Talk")
3.22MutingRelay
3.23TestMeterandSwitchProvisions
3.24MicrophoneandHeadphoneJacksonR/TFront
Panel
3.25ProvisionsforAutomaticTestEquipment
4.0CONTROLPANELDESIGN
4.1GeneralConfiguration
4.2FrequencySelectionandDisplay
4.3ConnectorTypes
4.4VolumeControl
4.5MasterOff-OnControl
4.6IntegralLighting
4.7ControlFunctionTransferSwitch
5.0ANTENNAS
5.1General
5.2AntennaConsiderationsforMultipleSystems
Operations
6.0PROVISIONSFORDATATRANSMISSIONAND
RECEPTION
6.1BackgroundoftheProblem
6.2DataLinkAudioInputtotheTransmitter
6.2.1TransmitterPhaseInversion
6.3DataLinkAudioOutput
6.3.1ReceiverPhaseInversion
6.4DataLinkKeying
6.4.1Receive-to-TransmitTurn-Around
6.4.2Transmit-to-ReceiveTurn-Around
6.4.3OperatingVoltages
6.4.4FullKeyUpCondition
6.4.5FullKeyDownCondition
6.4.6DutyCycle
6.5AGCCharacteristics
6.5.1AGCAttack
6.5.2AGCDecay
6.6DifferentialDelay
6.6.1ReceiverDelay
6.6.2TransmitterDelay
Attachments
1-1TransceiverUnitConnectorLocations
1-2StandardControlPanelOutlineDrawing
1-2cont'dControlPanelMountingPlateAssembly
1-3TypicalVHFCommunicationsAntenna
2StandardInterwiring
2cont'dNotesApplicabletotheStandardInterwiring
3ReceiverSelectivity
4EnvironmentalTestCategories
5FrequencySelectorTwo-Out-of-FiveCode
6StandardVHFNAV/COMControlPanelWiring
7MicrophoneandDataInputsandOutputs
8TestProceduresforDesensitizationand
InterferenceRejection
Appendix1Part1ExcerptsfromICAOAnnex10SystemSARPS
Appendix1Part2WorkingPaperfromSeventhAirNavigation
Conference,April1972
Appendix2FOCReportandOrderRegardingAeronautical
Mobile(R)VHFBand(October1973)