Satellite > Communication > SDR > TOTEM Software Defined Radio (SDR)
Summary
The Alén Space TOTEM Software Defined Radio (SDR) is a flight-proven software defined radio system suitable for communication nanosatellites. TOTEM operates in commonly-used nanosatellite frequency bands using Xilinx's Zynq-7000 SoC with an embedded Linux and programmable logic. It also includes a wide frequency range transceiver and can be reconfigured in-orbit.
Key features
- High-performance System-On-Chip (SoC) - Xilinx Zynq-7000 series
- Wide frequency range RF transceiver (AD9364)
- FSI-connector based interface
- Option to combine in the same payload several applications (SDR, ADS-B, AIS, IoT, and SIGINT) with different frequency bands
- SDR transceiver across several frequency bands: UHF, VHF, S-band, and L-band
- Processing capabilities for X-band, Ka-band, and Ku-band
Flight heritage
The system has achieved flight heritage.
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Last updated: 2023-04-21
Specs
lead time
12 wk
mass
< 130 g
width
93.30 mm
length
89.30 mm
height
13.61 mm
supply voltage
5 V
transmit power
2.65 W (7dBm output, @ 56 MHz and 30 MSPS)
transmit frequency
70 MHz to 6 GHz
power consumption
2.25W in RX mode
2.65W in TX mode
1.4W in stand - by mode
2.65W in TX mode
1.4W in stand - by mode
receive frequency
70 MHz to 6 GHz
RAM
1 GB DDR3L (512 MB with ECC)
NAND flash
1 GB
data interface
UART
I2C
JTAG
Ethernet
CAN
I2C
JTAG
Ethernet
CAN
operating temperature
-40 to 85 C
processor type
Zynq-7000 SoC
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