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RF & Antenna Calculators
Instant access to professional-grade engineering tools.
Core
Dipole
Calculate center-fed dipole dimensions and resonance.
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Core
Antenna Length
Determine physical length based on operating frequency.
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Core
Quarter Wave
Compute 1/4 wave vertical element dimensions.
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Core
Patch
Rectangular microstrip patch antenna design.
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Core
Yagi-Uda
Multi-element parasitic array design and gain.
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Core
Folded Dipole
High impedance folded dipole antenna dimensions.
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Core
Antenna Gain
Calculate dBi from antenna efficiency and directivity.
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Core
Wavelength
Convert frequency to wavelength and vice-versa.
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Advanced
Microstrip Antenna
Comprehensive microstrip feed and patch dimensions.
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Advanced
Effective Aperture
Compute capture area based on gain and frequency.
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Advanced
Friis Transmission
Calculate power received from a distant antenna.
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RF Eng
Link Budget
Full system link budget accounting for all gains/losses.
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RF Eng
Free Space Path Loss
Signal attenuation over a line-of-sight distance.
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RF Eng
dBm to Watt
Quick power conversion utility for RF units.
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RF Eng
Coaxial Cable Loss
Calculate attenuation per unit length for feedlines.
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Soon
Loop Antenna
Small magnetic and large resonant loop designs.
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Vertical Antenna
Ground-plane and base-loaded vertical radiators.
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Inverted-V
Compensated length for inverted-V configurations.
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Microstrip Line Width
Line width for a target characteristic impedance.
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Effective Dielectric Constant
Substrate dielectric constant estimation.
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Get "10 RF Design Principles Every Engineer Should Know" Free
Learn practical principles for better RF circuits, PCB layouts, simulations, measurements, and troubleshooting.