PCB Cupid Tools

Calculate resistance and power using Ohm's Law

Calculate the required series resistor for LED circuits using Ohm's Law to ensure proper current limiting

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Calculate the inductance of a flat spiral air core inductor based on dimensions and number of turns.

Calculate characteristic impedance, capacitance, propagation delay, and inductance of a symmetric stripline based on dielectric permittivity, height, trace thickness, and width.

Calculate the inductance of an air core coil based on coil diameter, coil length, and number of turns.

Calculate the crosstalk (in dB) between two microstrip traces on a PCB based on trace spacing and substrate height.

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