dSDR module

An M.2 advanced direct-sampling SDR with phase-coherent 6 RX and 4 TX channels. The direct sampling architecture eliminates RX/TX LO leakage and RX/TX IQ imbalance issues, providing better overall linearity, superior phase noise, a more compact design, and greater flexibility.

dSDR module

An M.2 embedded SDR with 6 RX / 4 TX channels and a frequency range of up to 12 GHz.

General Specifications

FPGA

  • AMD Artix UltraScale+ XCAU15P

Power Consumption

  • 6-15W Typical (depending on the number of active channels and bandwidth)

  • 20W Max

Interface

  • M.2 2280 M key PCIe 4.0 x4 (with debug USB2 interface)

Extended Power Supply Range

  • 2.85 - 5.5 V

External Clock Synchronization

  • Synchronize multiple boards for a massive MIMO array

RF Specifications

RFIC

  • AFE7900 / AFE7901 / AFE7950

Frequency Range

  • Model A: 0.4 GHz to 3.5 GHz

  • Model B: 2.1 GHz to 7.2 GHz

  • Model C: 3.5 GHz to 12 GHz

Sample Rate

  • 0.1 MSps - 500 MSps (up to 1 GSps on request)

Channel Bandwidth

  • 0.5 MHz - 500 MHz (up to 1 GHz on request)

Target Applications

Cellular Communication

  • Enables next-generation 5G/6G wireless networks with high-order massive MIMO

  • Fully compatible with Amarisoft and srsRAN

Massive MIMO Radio Link

  • With the dMASS synchronization board, it’s easy to build 32×32, 64×64, and larger MIMO systems

Embedded Applications

  • Develop compact and high-performance frequency analysis devices

Data Link

  • PCIe 4.0 x4 (~63 Gbit/s data rate)

Driver and Host Libraries

  • The PCIe driver is specially developed for high-speed, low-latency communication.

  • It operates primarily in user space with the ability to bypass kernel access.

  • GPUDirect support is in progress.

Legacy Software Support

  • GNU Radio, srsRAN, and many more through SoapySDR.

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