A radar PCB should be designed around its sensing architecture. A board with etched antennas has different layout constraints from an antenna-on-package device. Begin with the selected sensor reference design, intended field of view and mechanical mounting conditions.
Layout decisions to resolve early
- Preserve the specified antenna geometry and surrounding copper conditions.
- Review feed transitions, substrate thickness, copper roughness and etch tolerances together.
- Keep clock, power and digital routing from contaminating sensitive receiver paths.
- Include the radome and mounting hardware in validation.
Choose the stackup with the signal path
Identify which connections need controlled impedance and which geometric structures require full electromagnetic analysis. Request the finished copper and dielectric dimensions, not just the nominal material thickness. A microstrip estimate is useful for exploring a candidate feedline, while launches, antennas and coupled structures need models appropriate to their geometry.
Make the prototype measurable
Plan tests that distinguish assembly faults, RF path changes and antenna-pattern effects. Record the board revision, material lot where available, calibration configuration and enclosure state. A successful power-on check does not establish radar field of view or channel consistency.
Prepare the manufacturing handoff
Supply the board outline, layer stack, laminate grades, drill data, fabrication notes and critical tolerances. Mark features whose dimensions should not be changed without design approval. Include a clear question list for the fabricator so the release does not depend on undocumented assumptions.
What to include in your project inquiry
- The product architecture and target frequency range.
- The board size, intended quantity and proposed materials.
- The principal performance constraint and available test equipment.
- Design files or a sketch, if available. Attachments remain optional.
Review your next RF PCB
Share the operating band, board outline, proposed materials and the question you want to resolve. Drawings are optional.
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