Coaxial Cable Assembly
Microwave Test Cable
Coaxial RF Connector
Coaxial RF Adapter
Coaxial RF Termination
Coaxial RF Test Probe
Coaxial RF Attenuator
RF Switches
Rotary Joints
RF Circulators
Coaxial RF Power Dividers
RF Couplers
RF FiltersStripline Impedance Calculator
Stripline Impedance Calculator Vs Coaxial Cable Phase Matching Calculator
When you compare a stripline impedance calculator with a coaxial cable phase matching calculator, the main difference is what each tool helps you control. Stripline tools are best for PCB trace geometry, dielectric properties, and target impedance, while a coaxial cable phase-matching calculator is better for matched electrical length, lower phase error, and consistent performance across RF cable assemblies. That makes this section useful for engineers deciding whether the design problem lies on the board or in the cable path. The page already shows that stripline impedance accuracy depends on trace width, dielectric constant, and spacing, so a comparison section fits naturally here.
| Tool | Best For | Main Input Drivers | Typical Use |
|---|---|---|---|
| Stripline Impedance Calculator | PCB and board-level design | Trace width, dielectric constant, spacing | Internal circuit layout and impedance control |
| coaxial cable phase matching calculator | RF cable assemblies and link matching | Cable length, electrical phase, frequency | Test cables, matched harnesses, and phase-sensitive systems |
Practical Selection Guide for stripline width calculator
What to verify before you finalize width
When you use a stripline width calculator, do not treat the result as a final fabrication value. You should still confirm the target impedance, dielectric constant, substrate thickness, copper thickness, and the board shop tolerance before release. For RF and microwave layouts, the calculator is best used as a fast starting point, then checked against the real stackup and manufacturing limits.
| Design Factor | Why It Matters | What You Should Check |
|---|---|---|
| Target impedance | Sets the trace width goal | Match the system spec first |
| Dielectric constant | Changes field distribution | Use the actual laminate value |
| Substrate thickness | Affects width and loss | Confirm the finished stackup |
| Copper thickness | Shifts the final geometry | Verify finished copper weight |
| Fabrication tolerance | Impacts final impedance | Check the board shop capability |
FAQ
1. How accurate is a stripline calculator?
You get 2% accuracy from a stripline calculator for ideal setups but always verify results yourself.
2. What determines the characteristic impedance of a coaxial cable?
You set the characteristic impedance of a coaxial cable by its conductor, dielectric, and shield.
3. How to calculate stripline impedance in ohms?
You calculate stripline impedance in ohms from trace width, dielectric constant, and spacing easily.
4. How to calculate characteristic impedance of coaxial cable?
You calculate characteristic impedance of coaxial cable with Z0 = (60/√εr)·ln(b/a) ohms. Use ln; a,b in m.