Satellites and subsystems > Command and Data Handling (C&DH) systems > Data acquisition and handling systems > Baseband Data Handling and Storage Unit (BDH)
Key highlights
Azista BDH is capable of data acquisition, real-time pre-processing, data compression, storage, encryption, and downlink preparation in compliance with CCSDS standards.
Key Parameters:
- 4 TB to 16 TB Storage Capacity with configurable NAND Flash Memory Modules options
- 8x SerDes lanes with total 32 Gbps data acquisition rate
- High speed data interface with on-board edge computer
- Communication Interface with up to 5 Secondary Payloads
- LVDS, 2 x 10GbE and 2 x 1GbE Ethernet lanes to connect with multiple payloads and RF band transmitter
General Specifications
Mass : < 4 kg
Dimensions : 290 mm (L) x 250 mm (W) x 100 mm (H)
Power Interface : 28 V Nominal
Operating Temperature : -15°C to +60°C
Mission Lifetime : > 5 years
Applications
Data acquisition, real-time pre-processing, data compression, storage, encryption, and downlink preparation
Key features
• 8x SerDes lanes with total 32 Gbps data acquisition rate
• 4 TB to 16 TB Configurable NAND Flash Memory Modules
• High speed data interface with on-board edge computer
• Communication Interface with up to 5 Secondary Payloads
• LVDS and 1GbE Ethernet lanes to connect with RF-band TX
• CCSDS based data compression
• AES 256 or configurable data encryption
Testing & qualification
Safety Features and Reliability
- NAND memory endurance based on JEDEC JESD218 ratings.
- Error Detection and Correction (ECC) mechanism.
- Wear-leveling algorithms to distribute the program / erase cycles evenly across all the blocks of the memory.
- Bad Block Memory Management.
- Power-failure safe.
- System Corruption Monitor to supervise the proper operation of BDH FPGA and ensure the integrity of FLASH memory.
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Last updated: 2026-04-10
Baseband Data Handling and Storage Unit (BDH)
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