Mini-Dusty PayloadMini-Dusty Payload

AGF-218AGF-218UNIS, LongyearbyenUNIS, Longyearbyen

Sveinung V. OlsenSveinung V. Olsen

ContentContent

Payload Payload layoutlayout

ElectronicsElectronics TelemetryTelemetry ExperimentsExperiments LaunchLaunch

Payload externalPayload external

Diameter: 54 mmDiameter: 54 mm Length: 1465 mm.Length: 1465 mm. Weight: 9,3 kgWeight: 9,3 kg Ejectable doors and Ejectable doors and

noseconenosecone Thermal coating, Thermal coating,

noseconenosecone Motors:Motors:

Viper IIIA, USA Viper IIIA, USA Excalibur 2, CanadaExcalibur 2, Canada RH 200-SV, IndiaRH 200-SV, India

Payload InternalPayload Internal

Heat insulationHeat insulation Nosecone probesNosecone probes Experiment sectionExperiment section Battery sectionBattery section Electronics sectionElectronics section Transmitter Transmitter

sectionsection

Payload Payload overviewoverview

Power systemPower system

Li- Ion batteryLi- Ion battery 2 cells, nominal 3.6 V each2 cells, nominal 3.6 V each 8.4 V fully charged8.4 V fully charged

Charging circuitCharging circuit Constant current (1.1 A) > Constant Constant current (1.1 A) > Constant

voltage (8.4 V)voltage (8.4 V) Power regulatorsPower regulators

+5V, +3.3V+5V, +3.3V Power switchingPower switching

Pyro power, experimentPyro power, experiment

Housekeeping sensorsHousekeeping sensors Aspect sensorsAspect sensors

3 axis magnetometer3 axis magnetometer 2 axis accelerometer +/- 50 g2 axis accelerometer +/- 50 g

Temperature sensorsTemperature sensors 1 onboard temperature sensor 0-1 onboard temperature sensor 0-

125 deg C125 deg C 3 external temperature inputs3 external temperature inputs

Power sensorsPower sensors 4 voltage monitoring circuits 0-10 V4 voltage monitoring circuits 0-10 V 4 current monitoring circuits 0- 4 A4 current monitoring circuits 0- 4 A

6 analog inputs, 12 bit 0-6 analog inputs, 12 bit 0-4.095V 4.095V

4 digital inputs4 digital inputs

12 bit resolution12 bit resolution 0-4.095 V input 0-4.095 V input rangerange

Pyro circuitsPyro circuits

Pyrolelectric devicesPyrolelectric devices Payload separationPayload separation Doors separationDoors separation Nosecone separationNosecone separation

8 individual circuits8 individual circuits Controlled by PCM-encoderControlled by PCM-encoder Synchronized to Lift-offSynchronized to Lift-off

PCM EncoderPCM Encoder

Pulse Coded ModulationPulse Coded Modulation 625 kbit/s bit rate625 kbit/s bit rate 8 timer signals8 timer signals Connects up to 8 slave Connects up to 8 slave

boardboard CPLD programmable logicCPLD programmable logic uC assembler codeuC assembler code ISP - In System ISP - In System

Programming Programming Bi Phase-L outputBi Phase-L output

Telemetry transmitterTelemetry transmitter Frequency: 2,2279 GHzFrequency: 2,2279 GHz Bit rate: 625 kbit/sBit rate: 625 kbit/s Power: 1 WPower: 1 W 4 antennas in tailfins4 antennas in tailfins Stable oscillator 0.2 ppmStable oscillator 0.2 ppm Slant rangeSlant range Receiver stations:Receiver stations:

AndenesAndenes TromsøTromsø SvalbardSvalbard mobile unitsmobile units

Telemetry formatTelemetry format

Word length: 8 bit (16bit)Word length: 8 bit (16bit) Frame length: 32 words (16 words)Frame length: 32 words (16 words) Format length: 32 framesFormat length: 32 frames

At 625 kbit/sAt 625 kbit/s Frame rate: 2,44 kHzFrame rate: 2,44 kHz Format rate: 76 HzFormat rate: 76 Hz

Experiments inputsExperiments inputs

ElectrometersElectrometers Several versions availableSeveral versions available 1-8 channels /slave board1-8 channels /slave board

Instrumentation amplifierInstrumentation amplifier Adjustable gainAdjustable gain

Digital interface, sounding Digital interface, sounding rocketsrockets CLK, MAJF, MINF, GATE,DATACLK, MAJF, MINF, GATE,DATA

Launch eventsLaunch events Countdown from T- 3 hCountdown from T- 3 h Possible holdsPossible holds Final science go: T-3 m Final science go: T-3 m Final payload go: T-30 Final payload go: T-30

ss LiftoffLiftoff Booster burnoutBooster burnout Doors separation: Doors separation:

T+44s T+44s Nosecone sep: T+62sNosecone sep: T+62s Splash: T+300sSplash: T+300s