Table of Contents
1.0INTRODUCTIONANDDESCRIPTION
1.1PurposeofThisDocument
1.2FunctionofEquipment
1.3UnitDescription
1.3.1HFTransceiverUnit
1.3.2FrequencyControl
1.3.3AntennaTuner(WithSelf-Containedor
SeparateAntennaTunerControl)
1.4Interchangeability
1.4.1General
1.4.2InterchangeabilityDesiredforthe
ARINC719HFTransceiver
1.4.3"GenerationInterchangeability"
Considerations
1.5RegulatoryApproval
1.6SystemParameters
1.7AdditionalNeedsofMilitaryCustomers
2.0INTERCHANGEABILITYSTANDARDS
2.1Introduction
2.2FormFactors,ConnectorsIndex
PinCoding
2.2.1TransceiverUnit
2.2.2"StandardControlPanel"
2.2.3AntennasandAntennaTuners
2.3Interwiring
2.4PowerCircuitry
2.4.1PrimaryPowerInput
2.4.2PowerControlCircuitry
2.4.3TheCommonGround
2.4.4InternalCircuitProtection
2.4.5AbnormalPower
2.5EnvironmentalConditions
2.6Cooling
2.7GroundingandBonding
3.0TRANSCEIVERUNITDESIGN
3.1FrequencyRangeandChanneling
3.2FrequencySelection
3.3TransmittoReceiveRecovery
3.4ChoiceofSideband
3.5TransceiverOperation
3.5.1ModeofOperation
3.5.2InterlocksonDualSystems
3.5.2.1TuningInterlock
3.5.2.2SpecificProvisionsforInterlocking
3.6ReceiverDesign
3.6.1Sensitivity
3.6.2Selectivity
3.6.2.1AM-SSBFullCarrier
3.6.2.2SuppressedCarrierSSB
3.6.3ReceiverFrequencyStability
3.6.4UndesiredResponses
3.6.5AudioOutput
3.6.5.1AudioSourceImpedance
3.6.5.2OutputRegulation
3.6.5.3Gain
3.6.5.4HumLevel
3.6.5.5FrequencyResponse
3.6.5.6Distortion
3.6.5.7VoicePhaseShiftLimit
3.6.6AutomaticGainControl
3.6.7RFSensitivityControland/orSquelch
Control
3.6.8ReceiverSSB-ModeLinearity
3.6.8.1DesiredSignalLinearity
3.6.8.2InterferingSignalLinearity
3.6.9ToneTuningSignal
3.6.10SELCAL/DataOutput
3.6.10.1FrequencyResponse
3.6.10.2Distortion
3.6.10.3PhaseShift
3.6.10.3.1SELCAL/DataPhaseShift
3.6.10.3.2DifferentialPhaseDelay
3.7TransmitterDesign
3.7.1PowerOutput
3.7.1.1MinimumPowerOutputwithSSBSuppressed
CarrierOperation
3.7.1.2MinimumPowerOutputFullCarrierSSB
Operation
3.7.1.3MinimumPowerOutputwithFSKorData
Transmission
3.7.1.4MaximumPowerOutputLimit
3.7.2TransmitterFrequencyStability
3.7.3Sidetone
3.7.4MicrophoneInput
3.7.4.1SpeechProcessingandAutomatic
ModulationLimiting
3.7.4.2FrequencyResponseandSpectrumLimits
3.7.4.3TransmitterDistortion
3.8DataTransmissionandReception
3.8.1BackgroundofDataLink
3.8.2DataLinkAudioInputtotheTransmitter
3.8.3DataLinkAudioInputFrequencyResponse
3.8.4DataLinkOutputfromHFReceiver
3.8.4.1Special"SELCALOutput"CircuitFromHF
AMReceiverDetector
3.9Keyline
4.0ANTENNAS
4.1AntennaTuner
4.2RadioFrequencyInputCharacteristics
4.3AutomaticControlofSSBR/TPowerOutput
4.4AntennaImpedanceCharacteristicsand
FrequencyCoverage
4.5BandInformation
4.6PowerHandlingCapability
4.7TunerPressureFaultLine
5.0AUTOMATICTESTEQUIPMENTPROVISIONS
5.1General
5.2UnitIdentification
5.3PinAllocation
5.4UseofATLASLanguage
6.0BUILT-INTESTEQUIPMENT(BITE)
6.1Built-InTestEquipment(BITE)
6.2BITEDisplay
6.3FaultMonitor
6.4Self-TestInitiation
6.5MonitorMemoryOutput
ATTACHMENTS
0NotesPertainingtoAttachments
1StandardInterwiring
2TransceiverUnitConnectorPositioning
3SchematicofAudioGroundsandUseof
4-WireMicrophone(withsysteminterlock
relays)
4ControlPanelWiringUsingARINC429
SerialDigitalTuning
5AntennaTunerPinConnections
6SSBReceiverSelectivity
7EnvironmentalTestCategories
8ControlPanelGuidelines
9TypicalTestProcedures
APPENDICES
0GuidelinesforHFAntennaSystem
DesignersandInstallers
1Original"Assumed"EssentialSystem
Characteristics
2GroundEquipmentRequirements
3ChronologyandBibliographyofthe
AEECSSBProjectandMembershipof
TheAEECSSBSubcommittee
4FCCRuleMakingRelatedtoSSBEquipment
andtheTypeAcceptanceofthatEquipment
5ReferenceBackgroundMaterialonSpectrum
LimitationsandtheRelationtothe
ImplementationofSSB
6ReferenceBackgroundMaterialonthe
EffectofFrequencyTranslationErroron
anSSBSystemConformingwiththe
SystemsStandardsofAppendix1and
UtilizingAirborneEquipmentConforming
toARINCCharacteristic533or533A
7BackgroundandAnalysis--Frequency
Planningvs.EquipmentPlanning--1955-1971
8ExtractsfromICAOAnnex10
9Bibliography Abstract
Describes desired characteristics of a new generation HF/SSB System intended for installation in all types of commercial transport aircraft. Covers requirements for airborne transmitter-receiver equipment capable of transmitting and receiving HF radio intelligence.
