RF free-space path loss
Frequency, distance.
Radio frequency and antennas ↗Radio frequency and antennas calculators
25 calculators. Search or choose one below.
Calculators
RF link budget worksheet
Transmit power, gains, path and cable losses.
Radio frequency and antennas ↗RF fade margin
Received-power estimate, receiver threshold.
Radio frequency and antennas ↗RF Fresnel zone clearance
Frequency, path length, obstacle position.
Radio frequency and antennas ↗RF effective isotropic radiated power
Transmitter power, antenna gain, feeder loss.
Radio frequency and antennas ↗RF receiver noise floor
Bandwidth, noise figure, temperature.
Radio frequency and antennas ↗RF signal-to-noise budget
Signal level, noise estimate, interference assumptions.
Radio frequency and antennas ↗RF coaxial cable attenuation
Supplier frequency-loss table, cable length.
Radio frequency and antennas ↗RF standing wave ratio
Forward-reflected power or reflection magnitude.
Radio frequency and antennas ↗RF impedance reflection coefficient
Load and reference complex impedances.
Radio frequency and antennas ↗RF impedance Smith coordinates
Complex impedance, reference impedance.
Radio frequency and antennas ↗RF transmission line electrical length
Physical length, velocity factor, frequency.
Radio frequency and antennas ↗RF quarter-wave transformer
Source-load resistances, frequency, velocity factor.
Radio frequency and antennas ↗RF stub matching worksheet
Load, line impedance, frequency, supported topology.
Radio frequency and antennas ↗RF dipole starting length
Frequency, supplied shortening factor.
Radio frequency and antennas ↗RF Yagi element scaling
Reference dimensions-frequency, target frequency.
Radio frequency and antennas ↗RF antenna array factor
Element coordinates, phase-amplitude weights, frequency.
Radio frequency and antennas ↗RF polarization mismatch
Relative linear polarization angle.
Radio frequency and antennas ↗RF radar range equation worksheet
Transmit power, gains, wavelength, target cross-section, range.
Radio frequency and antennas ↗RF Doppler shift
Frequency, radial velocity, one-two-way convention.
Radio frequency and antennas ↗RF mixer frequency products
Input-LO frequencies, selected harmonic orders.
Radio frequency and antennas ↗RF intermodulation intercept worksheet
Measured tones-products, input-output convention.
Radio frequency and antennas ↗RF cascaded noise figure
Stage gains and noise figures.
Radio frequency and antennas ↗RF cascaded gain compression worksheet
Stage gains, supplied compression points.
Radio frequency and antennas ↗RF spectrum occupancy measurement
Time-frequency power bins, chosen thresholds.
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