📡 RF Engineering Toolkit
Microstrip Impedance · VSWR / Reflection · Power & Attenuation Conversion
Based on industry-standard formulas (IPC, IEEE)
🔌 Microstrip Impedance
📊 VSWR / Γ / RL
⚡ Power & Attenuation
Dielectric Constant (εr)
FR4 ≈ 4.5, Rogers 4003 ≈ 3.38
Substrate Height H (mm)
Trace Width W (mm)
Copper Thickness T (mm, optional)
1 oz = 0.035 mm
Calculate Zo
Input Type (select one):
VSWR
Reflection Coefficient Γ
Return Loss RL (dB)
Matching Efficiency (%)
VSWR (≥1)
Reflection Coefficient Γ (0 to <1)
Return Loss RL (dB, positive)
Matching Efficiency (0.1 to 100%)
Convert
Input Type (choose one):
dBm
Watts
dBµV
Volts RMS
dBm
Watts
dBµV
Volts RMS
Reference Impedance (Ω)
50 Ω (RF standard)
75 Ω (video/broadcast)
Attenuation (dB) [optional]
Enter positive value to compute output power after attenuation
Input dBm for attenuation (optional)
Convert
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Reference:
Microstrip impedance uses IPC-2141 approximation (accuracy ±5% typical). VSWR/Γ/RL relations are exact. Power conversions assume sine wave signals.
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