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Multifunctional engineering calculations of electronic circuits and componentsSearch by section D.E.V.I.C.E. services
Ohm's law calculator is an easy-to-use online tool to help you find the relationships between electric current (I), voltage (V) and resistance (R) across a given conductor. This tool allows you to calculate power (P) as well.
This online calculator allows you to quickly determine the value of resistors in a Pi attenuator or T attenuator circuit. Just enter the desired attenuation (in dB) and impedance (Z) to calculate the needed resistors (R1 and R2) values.
A helpful tool for reading resistor color code values for a 4- and 5-band resistor. This tool allows you to determine resistance by resistor color coding and to determine resistor color coding by resistance. It displays Rated resistance, Resistor tolerance, Resistor length and Resistor power all in one easy to read chart.
This tool allows you to determine which resistors you should use when you have a RGB LED. It displays resistor value, recommended resistor wattage as well as resistor color coding.
RMS Voltage Calculator is an online tool to help you quickly calculate the RMS (Root Mean Square) of common waveforms (e.g. sine wave, square wave, triangle wave, sawtooth wave). You can also use this tool backward and let it determine the peak voltage and peak-to-peak voltage if you know the RMS voltage.
Series and Parallel Capacitor Calculator allows you to quickly determine the total equivalent capacitance of up to ten capacitors connected in series or in parallel. This tool supports two modes: you can calculate the total equivalent capacitance or calculate the missing capacitor.
This calculator allows you to determine the total equivalent resistance of up to ten resistors connected in series or in parallel.
This tool allows you to determine which resistor you should use when you have a single LED or a number of the same color of LEDs in series. It displays resistor value, recommended resistor wattage as well as resistor color coding.
SMD Capacitor Code Calculator allows you to determine capacitance by the SMD (surface mount device) capacitor markings found on the device and to determine SMD capacitor markings by capacitance. It displays rated capacitance, capacitor tolerance and voltage.
SMD Inductor Code Calculator allows you to determine inductance of a SMD (surface mount device) inductor by the markings found on the device and to determine SMD inductor markings by inductance. It displays rated inductance and inductor tolerance.
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