NFC Circular Antenna Calculator

This page describes a calculator for an NFC antenna with a circular shape. It also mentions the formulas used to calculate the inductance of the NFC circular antenna. Links to other antenna calculators are also provided.

NFC Antenna Calculator and Example

Here’s an example of how to use the NFC Circular Antenna Calculator:

INPUTS:

• Na (Number of turns) = 3
• D (Diameter) = 8 cm
• s (Spacing) = 0.5 cm

OUTPUTS:

• L (Inductance) = 1.51 µH

Formula/Equations Used in NFC Circular Antenna Calculator

The following formula/equations are used in the NFC Antenna Calculator for circular antennas.

This NFC circular antenna calculator is a helpful tool for designing NFC loop antennas.