
Rank4
Expert engineering consultancy specializing in high-performance FPGA, RFSoC, and Digital Signal Processing design. Precision-engineered solutions for the most demanding applications.
15+
Years experience
200+
Designs delivered
99.9%
System uptime

Engineering
Capabilities
FPGA Design & Implementation
Custom RTL design, verification, and synthesis targeting Xilinx and Intel FPGAs. From concept through production-ready firmware.
SDR & RFSoC Systems
Software-defined radio architectures built on AMD/Xilinx RFSoC platforms. Multi-channel, wideband digital receivers and transmitters.
DSP Algorithm Development
Fixed-point algorithm design, spectral analysis, adaptive filtering, and modulation/demodulation chains optimized for real-time hardware.
System Architecture
End-to-end signal chain architecture covering ADC/DAC selection, clocking strategy, data transport, and host-side integration.
High-Speed Interface Design
JESD204B/C, PCIe, Aurora, and Ethernet-based data movers. Proven experience with multi-gigabit serial links on FPGA platforms.
Verification & Validation
Comprehensive testbench development, hardware-in-the-loop testing, and bit-accurate simulation to ensure first-pass silicon success.

Engineering
Philosophy
High-performance signal processing demands more than clever algorithms. It requires disciplined engineering practices at every layer of the design.
Deterministic Latency
Every processing pipeline is designed with hard real-time constraints. Cycle-accurate timing from input to output.
Resource-Optimal Design
Architectures balance throughput, power, and area to meet your exact system requirements without wasting FPGA fabric.
Simulation-First Methodology
Bit-accurate behavioral models precede any RTL. Algorithmic performance validated before a single line of HDL.
Production-Grade Deliverables
Full documentation, constrained timing closure reports, and regression test suites ready for your team.

Let's BuildSomething.
Whether you have a specific FPGA challenge or need help architecting a full signal processing pipeline, we are ready to talk.
contact@rank4.io
Location
United States · Remote-First
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