RFSoC L-Band Transceiver Card:
RFX-8440L

Acquire | Process | Act

Multi-channel Direct RF Transceiver

The BittWare RFX-8440L card is an L-band digital direct sampling transceiver featuring the third generation AMD Zynq® UltraScale+™ RFSoC. This innovative solution uses the RFSoC’s ADC for L-band direct sampling, displacing legacy down conversion approaches.

The RFX-8440L was designed as a standalone card that just happens to be in PCIe form factor. Installing the card in a ruggedized chassis would allow you to mount the RFX-8440L card directly on your antenna to transform antenna data into packets. Since the RFX-8440L gets all of its power via the external power connector and can be communicated with via an on-board RJ45 connector, it does not need a PCIe slot. The RFX-8440L also works in traditional server PCIe slots.

L-band Direct Sampling

Tapping three decades of experience in designing sensor processing cards, BittWare’s analog front-end features variable gain input down to -40 dBm.  This innovative solution uses the RFSoC’s ADC for L-band direct sampling, displacing legacy down conversion approaches.

 

Do More in the Digital Domain

At the center of the RFX-8440L is the latest generation single-chip RFSoC from AMD, the Zynq ZU43. This device is designed to bring together multi-channel data conversion and processing on a single chip.

"Now with complete coverage of sub-6GHz spectrum bands available as a readily-deployable PCIe card from BittWare, customers are able to gain a competitive advantage by accelerating the design and development of their next-gen wireless systems today."
David Brubaker
Senior product line manager, Wired and Wireless Group, AMD

RFX-8440L PCIe card, shown with optional dual QSFP28 connectors. The RFX-8440L is designed to work in a host system or standalone.

RFX-8440 RF performance thumbnail

Looking for RF Performance Specs?

Request the RFX-8440L RF Performance Specifications Document

Analog Front End

L-Band Frequency Response

Transmit Side Block Diagram

Transmit side block diagram RFX-8440L

Just need Data Acquisition?

Check out our RFX-8440A variant.

The RFX-8440 is available in two variants: the RFX-8440L and the RFX-8440A. RFX-8440L is a direct RF transceiver that can connect directly to an L-Band antenna to process signals. RFX-8440A is a data acquisition card that seamlessly crosses between analog and digital at up to S-Band rates.

Flexible 4 Channel Analog In/Out

With features like variable gain down to -40 dBm (input), we’ve designed the critical analog circuitry to match the performance needs for a clean signal to/from the RFSoC’s 14-bit interfaces. Our heritage in high-performance analog PCB design spans three decades as a core strength for BittWare.

Powered by Third-Generation AMD Zynq UltraScale+ RFSoC

At the heart of the RFX-8440L card is the Zynq ZU43 RFSoC: a powerful single-chip adaptable radio platform providing up to 6 GHz of direct RF sampling. With a multi-element processing system: FPGA, real-time dual-core ARM and a second quad-core ARM, this RFSoC has what it takes to acquire, process and act on RF signals.

Tap a slide for more details on the RFSoC from Xilinx:

Slide content copyright Xilinx

Digital I/O

Expansion Options With up to 200 Gb/s Bandwidth

200 Gbps of digital I/O is available on the FPGA side of the RFSoC. That is twice the bandwidth of RFSoC implementations that depend on PCIe for data transfer. This I/O is available on a single, 8x OCuLink port, a popular connector used inside a chassis. We also offer an add-on that provides the same signals through two QSFP28 cages, the most popular connector between chassis. Customers have implemented transports using Aurora, Ethernet MAC frames, and UDP.

Getting digital data to/from the RFSoC is easy with the OCuLink 8× 25 Gb/s interface. You can connect to NVMe storage (using our Data Recorder IP), other BittWare FPGA cards for further processing, a CPU host, or let us design a custom interface card for your need. 

Using OCuLink to Connect to Other Cards for Further Processing
Optional Card Configuration with Dual QSFP28s

Block Diagram, Data Sheet and Specifications

RFX-8440L

shown with optional dual QSFPs

Want More Details?

Request the Hardware Reference Guide (HRG)

The HRG gives you much more detail about the card such as block diagrams, tables and descriptions.

Board Specifications

FPGA

  • Zynq UltraScale+ RFSoC
    • XCZU43 in an E1156 package
    • Core speed grade -2
  • Contact BittWare for other FPGA options

Analog

  • L-Band 1GHz - 2GHz: Includes several signal conditioning components including variable gain
  • 4 x 5 GSPS 14-bit ADCs: -40 to 0 dBm
  • 4 x 10 GSPS 14-bit DACs: -40 to 0 dBm
  • Programmable clocks
  • External reference and triggers
  • SSMC style connectors

External memory

  • 16GB DDR4 processing system (ARM) memory with ECC
  • 8GB DDR4 programmable logic memory with ECC

External digital interfaces

  • Processing system
    • PCIe Gen2 x1
    • RJ45 Ethernet
    • USB UART
    • USB 3.0
    • Mini DisplayPort
  • Programmable logic
    • Up to 200 Gb/s via:
      • Option 1: inboard OCuLink
      • Option 2: Front panel 2x QSFP28
    • AMD Hard IP support for dual 100GbE and PCIe Gen4

Cooling

  • Standard: double-width passive heatsink
  • Contact BittWare for other cooling options

Electrical

  • On-board power derived from 6-pin AUX connector
  • Power dissipation is application dependent
  • Typical max power consumption 50W

Environmental

  • Operating temperature: 5°C to 35°C

Quality

  • Manufactured to ISO9001:2015 IPC-A-610-Class III
  • RoHS compliant
  • CE, FCC, UKCA & ICES approvals

Form factor

  • 3/4-length, standard-height PCIe dual-slot card (x16 mechanical)
  • Supports standalone operation
  • RFX-8440 can be ordered as a TeraBox™ integrated server platform

Development Tools

FPGA development

  • BittWare provides a basic data capture and replay example utilizing the major interfaces of the product. AMD Vivado development tools are fully supported for development of custom designs.

Deliverables

  • RFX-8440L Analog Data Acquisition Card
  • Data capture and relay example - Full source code
  • 1-year hardware warranty

Sales Ordering Numbers

RFX-8440-0010RFX-8440L card with L-band RF front end
RFX-8440-0011RFX-8440L card with L-band RF front end with QSFP28 mezzanine

Looking for a different configuration? Check out the RFX-8440A variant, or ask us about other configuration options.

Interested in Pricing or More Information?

Our technical sales team is ready to provide availability and configuration information, or answer your technical questions.

Use this form to also request the RF performance specifications document.

RFX-8440 RF performance thumbnail