Reference Design ExampleBenchmark CAD baseline. Nikola RF delivers AAA Custom Full-Wave EM Simulation & Synthesis Services (Ansys HFSS / CST / Feko) to tune, co-design, and de-risk this geometry for your specific system requirements.
Request Custom Study →CAD Geometry • SPIRALSTEP / SolidWorks AP214
3D CAD•3D CAD SOLVER MODEL
±0.001 mm CAD
Computational Verification
Primary SolverAnsys HFSS
Numerical MethodFEM
Validation StatusMeasurement-correlated
Mesh Cell Count15.6 Million
Simulation Runtime4.2 Hours
Package Deliverables
- Touchstone .s2p
- Axial ratio frequency curves
- CAD STEP
- HFSS .aedt workspace
Bilateral NDA Standard & Air-Gapped Compute
Custom installed studies and platform integrations are executed on dedicated on-premise compute nodes under bilateral mutual non-disclosure agreements.
Direction FindingMeasurement-correlated
Cavity-Backed Archimedean Spiral Antenna
400 MHz to 8 GHz cavity-backed Archimedean spiral. Utilizes graded carbon absorber cavity backing to eliminate back-radiation reflections across multi-octave bandwidth.
Calibrated Solver Results
Band: 400 MHz – 8 GHzDetailed S-parameter sweep & 3D polar matrix available upon request package generation.
Antenna Specifications
- Operating Band
- 400 MHz – 8 GHz
- Antenna Geometry
- Planar two-arm Archimedean spiral with absorbing cavity
- Peak Realized Gain
- 8.2 dBi
- Max VSWR
- 2:1
- Radiation Efficiency
- 78%
- Polarisation
- RHCP
- Target Platforms
- Airborne, Tactical, UAV/Drone
- Mesh Model
- 15.6M cells
License Model or Request Custom Platform Study
Add this antenna model to your request basket to license the validated simulation archive, re-simulate with custom material parameters, or order a vehicle/mast installed-performance study.