HF DATA LINK (HFDL)

DISCRETE CONTROLS AND INDICATIONSThe SP-2311 provides the necessary discreteinterfaces with the platform.Indications and relevant discrete regarding theequipment status are also provided.SOFTWAREThe SP-2311 is designed according to flexiblesoftware architecture and with a design developmentin accordance with RTCA DO-178B level C.DESIGN AND CONSTRUCTIONThe SP-2311 is fully digital equipment;it makes extensive use of large-scale programmablecomponents (DSP) and state of art technologies,in order to reduce volume, power consumption andweight, while maximising the reliability.Its structure is modular and includes a powerfulBITE (Power-up, Continuous and Initiated BIT).ATU 2005TECHNICAL SPECIFICATIONSEnvironmental conditionsOperating temperatureGround Survival TemperatureAltitudeFrequency RangeFrequency StabilityRTCA DO-160D- 40°C to +70°C- 55°C to +85°C-15000 to 50000 feet2 to 30 MHz± 20 HzOutput PowerAME: 50 W average, nominal +1.0 dB, -1.5 dB; CW: 50 W;SSB:400 W PEP, 125 W average, nominal +1.0 dB, -1.5 dB; AME: 125 W average, nominal +1.0 dB, -1.5 dB;CW: 125 W;LoadData Link Rates50 ohm300, 600, 1200, 1800 bit/sRX SelectivitySSB passband variation:2 dB for fc +350 Hz to fc +2500 Hz;35 dB, from fc to fc -300 Hz and from fc +2900 Hz to fc +3300 Hz;60 dB, for frequencies less than fc -300 Hz and greater than fc+3300 HzRX SensitivitySSB:AM:RX Dynamic RangeCoolingDimensions1 µV for 10 dB (s+n)/n4 µV for 10 dB (s+n)/n (30%mod@1KHz))-98 to –7 dBmARINC 600 with cooling airARINC 600, 6 MCU for HFDR;ARINC 600, 6 MCU for ATU @ 400 watt PEP configuration;Weight SP-2310 @400 Wless than 19 KgLRU Connector ARINC 600, size 2Power SupplySoftware Developments115 VAC, 400 Hz, 3 phaseRTCA/DO-178B Level C