RF-Calculator
Calculate wavelength for a known frequency (Free Space) | ||||
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MHz | λ (m) | |||
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Calculate VSWR from Forward and Reverse Power | ||||
Forward Power (W) | VSWR | |||
Reverse Power (W) | ||||
Forward Power (dBm) | VSWR | |||
Reverse Power (dBm) | ||||
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Calculate radiated magnetic field from a loop antenna (Low frequency, Close proximity) | ||||
dBμA/m | ||||
Loop Antenna Diameter (m) | pT | |||
Loop Antenna Windings (N) | dBpT | |||
Current into Loop Antenna (A) | Tesla | |||
Distance from Loop Antenna (m) | Gauss | |||
A/m | ||||
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Calculate Power Density & Field Level (Far Field) | ||||
Power into Antenna (W) | W/m^2 | |||
Antenna Gain (dBi) | dBμV/m | |||
Distance from Antenna (m) | V/m | |||
A/m | ||||
V^2/m^2 | ||||
A^2/m^2 | ||||
mW/cm^2 | ||||
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Calculate Power to Generate a Known Field (Far Field) | ||||
Required Field (V/m) | W | |||
Antenna Gain (dBi) | ||||
Distance from Antenna (m) | ||||
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Calculate Circular Waveguide Attenuation | ||||
Frequency (MHz) | dB | |||
Diameter (mm) | ||||
Length (mm) | ||||
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Calculate Gain from Antenna Factor (50 Ω system) | ||||
Antenna Factor (dB/m) | dBi | |||
Frequency (MHz) | ||||
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Convert mW/cm^2 to pJ/cm^2 (Free Space) | ||||
mW/m^2 | pJ/cm^2 | |||
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Convert pJ/cm^2 to mW/cm^2 (Free Space) | ||||
pJ/cm^2 | mW/cm^2 | |||
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Convert dBm to W (50 Ω system) | ||||
dBm | W | |||
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Convert W to dBm (50 Ω system) | ||||
W | dBm | |||
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Convert dBm to V (50 Ω system) | ||||
dBm | V | |||
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Convert V to dBm (50 Ω system) | ||||
V | dBm | |||
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Convert dBm to dBμV (50 Ω system) | ||||
dBm | dBμV | |||
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Convert dBμV to dBm (50 Ω system) | ||||
dBμV | dBm |