Elettronica

Calcolatore di Potenza dell'Amplificatore Gratuito — risolvi per potenza in uscita, tensione RMS/picco/picco-a-picco e corrente utilizzando la Legge di Ohm. Dimensiona gli amplificatori acusticamente con requisiti di potenza basati su SPL, analisi del margine e stime di dissipazione del calore per amplificatori di Classe A, AB e D.

Free antenna length calculator for dipole, quarter-wave vertical, full-wave loop, inverted vee, 5/8-wave vertical, and 3-element Yagi antennas. Get exact lengths in both feet and meters instantly.

Free battery capacity calculator for runtime, charge time, and energy storage. Calculate how long your battery will last, how long it takes to charge, and design series/parallel battery banks.

Free Battery Runtime Calculator — estimate how long your battery will last under any load. Supports Standard (Ah/Wh), Peukert lead-acid, and IoT duty-cycle modes with chemistry presets and scenario comparison.

Free Dipole Antenna Calculator — compute half-wave, folded dipole, inverted vee, and full-wave antenna lengths in feet and meters from frequency. Includes velocity factor, impedance, balun recommendations, and ham radio band presets.

Free PCB Trace Width Calculator based on IPC-2221 and IPC-2152 standards. Calculate the minimum copper trace width required to safely carry a given current with your chosen temperature rise, copper weight, and layer type.

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Free RC (Resistor-Capacitor) Time Constant (τ) calculator — compute τ = R × C, cutoff frequency, rise time, energy stored, and charging/discharging curves. Supports RC and RL circuits with solve-for-any mode.

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Calcolatore di Crossover per Altoparlanti Gratuito — progetta reti di crossover passive per sistemi di altoparlanti a 2 vie e 3 vie. Calcola i valori di condensatore (µF) e induttore (mH) per filtri Butterworth, Linkwitz-Riley, Bessel e Chebyshev con supporto Zobel e L-pad.