## RF Transformer Calculator

This calculator gives the turns ratio of an RF transformer. Enter the input and output impedance. Formula Np/Ns = √(Zp/Zs) where Background An RF transformer is a passive device that …

This calculator gives the turns ratio of an RF transformer. Enter the input and output impedance. Formula Np/Ns = √(Zp/Zs) where Background An RF transformer is a passive device that …

This calculator finds the resistor value to be used with an LED and a +5 Volt supply. It also provides the power dissipation in the resistor – an important number …

The Arduino [1] Input/Output (I/O) pins can be used to control an LED and make it blink. It does this, by turning the output pin on and off. Arduino Resistor …

This calculator finds the resistor value to be used with an LED and a +12 Volt supply. It also provides the power dissipation in the resistor – an important number …

A current limiting resistor is used in series with a Light Emitting Diode (LED). In this post we will explain why we need this resistor. LED Current and Voltage Specifications …

Use this tool to calculate the equivalent impedance of any number of resistors in parallel, the voltage drop across each and the total current. There are two configurations considered in …

This tool converts a peak-to-peak voltage to peak voltage. Referring to the picture of a sine wave above, there are three different voltage levels: Formula Vp = Vpp/2 Vp = …

This calculator determines the total effective resistance of any number of resistors in series and parallel configurations. Series Resistance Calculator Enter the resistor values separated by commas. Series Resistance Formula …

This calculator determines the total effective resistance of any number of resistors in a series configuration. Series Resistance Calculator Enter the resistor values separated by commas. Series Resistance Formula Rtotal …

This tool calculates the current through a voltage divider network consisting of any number of resistors. Enter Formula Using Ohm’s Law, the total current is given by Itotal = Vin/(R1+R2+R3+…) …