Multifunctional engineering calculations of electronic circuits and components

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Area and Volume Calculator
Area and volume calculator is an easy-to-use online tool to quickly determine the area or volume by entering length, width and height in various measurement units.

Battery Life Calculator
This online battery life calculator allows you to estimate how long a battery will last in ideal conditions, based on nominal battery capacity and the device consumption (load current).

Capacitive Reactance Calculator
This calculator allows you to quickly determine capacitive reactance. Capacitive reactance depends on the frequency of the applied voltage and the capacitance.

Capacitor Color Code Calculator
Capacitor Color Code Calculator allows you to determine capacitance by capacitor color coding. It displays rated capacitance, capacitor tolerance, temperature coefficient and maximum voltage all in one easy to read chart. This tool supports various color codes.

Color Picker
Color picker is an easy-to-use online tool with intuitive interface to quickly get RGB value, HSV value and HEX color code value for selected color. Also you can type RGB, HSV and HEX values in order to fine-tune your color selection.

dB Gain Calculator
dB Gain Calculator is a simple online tool to help you determine the ratio of output to input values in an electrical circuit on a logarithmic scale. This ratio is represented by decibels (dB).

High Pass Filter Calculator
High pass filter calculator is an easy-to-use tool to quickly determine the cutoff frequency of a high pass passive filter. This tool allows you to choose filter circuit: RC filter or RL filter.

How to calculate the spark-extinguishing RC circuit
When the relay closes and opens, its contacts can be damaged by the resulting electric discharge arc. To protect them, you can use RC chains installed in parallel with the relay or load. You can calculate the parameters of the elements needed for this here by entering the general characteristics of the circuit.

Inductive Reactance Calculator
This calculator allows you to quickly determine inductive reactance. Inductive reactance depends on the frequency of the applied voltage and the inductance.

Inductor Color Code Calculator
A helpful tool for reading axial inductor color code values for a 3- and 4-band inductor. This tool allows you to determine inductance by inductor color coding and to determine inductor color coding by inductance. It displays Rated inductance and Inductor tolerance all in one easy to read chart.


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07/29/1888
date of birth
Zworykin, Vladimir K.

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