SR-NANO-BUS platform
Last updated
Last updated
SatRevolution has provided and personalized a scalable satellite platform SR-NANO-BUS, which includes:
1U Mechanical Structure
Electrical Power System
RF Communication Module
Basic On-board Computer
The platform is described based on datasheets provided by the manufacturer. More details are available at https://cubesatworld.com/.
Single unit cubesat structure that fulfills international standards. It is designed to provide the necessary mechanical durability and thermal conductivity .
Properties
Size: 109.7 x 109.7 x 113.5 [mm3]
Mass: 96 g
Material: Aluminum 7075 alloy
Manufacturing details: CNC manufactured, hard anodized and oxidized
Power switches: 3 safety deployment switches and 1 RBF pins
Separation springs: 2
Electrical Power System is responsible for conversion of energy acquired by the solar panels and distribution of the power to the payload and platform subsystems, such as OBC and CM.
Features
2 redundant power buses
Battery supervisory circuit
Thermal control of circuit and batteries
Details
Fully redundant and stabilized output voltages: 12 V (1.6 A), 3.3 V (1 A), 1.8 V (0.1 A).
Single battery capacity: 3200 mAh
Pack size: 3 batteries
Max stored energy: 80 Wh
Properties
Mass: 590 g (with pack of batteries)
Size: 96x96x25 [mm3]
RF communication module is responsible for TT&C uplink and downlink. The module consists of 2 UHF transceivers.
Features
Operational frequency: 433 MHz
Transmission data rate: 9600 b/s
Range: 400-500 km
TX modulation: 2GFSK 9600 bps, AFSK 1200 bps
RX modulation: 2GFSK 9600 bps
Main components:
Ultra-Low Power microcontroller MSP430FR
Silicon Laboratories Si446x family RF radio IC
Details
Supply voltage: 12 V, 3.3 V
UHF max RF power output: 30 dBm
Max current consumption at RX: 15 mA
Max current consumption at TX: 250 mA
Normal current consumption at TX: 117 mA
Properties
Mass: 37 g
Size: 96x96x6.6 [mm3]
Basic version of On-board Computer. Cubesat subsystem for payload control and communication with medium computing power and external MRAM memory.
Features
Main processor: MSP430FR5994, 16MHz, 256KB FRAM, Ultra Low-Power Modes
Inner module communications (IMC)
Details
Current consumption: 120 μA/MHz (processor) + other components for payload control
Power switches on 3.3 V and 12 V
Connector FX10A-168
Properties
Mass: 37 g
Size: 96x96x5 [mm3]
