dB to dBi Calculator

A question that comes up often is Can you convert dB to dBi? The answer is no. Let’s understand why dB is short for deciBels. It represents the logarithm of …

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75 Ohm Attenuator Calculator

Many RF circuits for audio and video systems are designed for 75 ohm impedance. This tool calculates resistor values to build an attenuator that matches this value of impedance. To …

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dBV to V RMS Calculator

This tool converts from dBV (dB Volt) to Vrms (root-mean-square voltage). Units are Volt/millivolt/microvolt/nanovolt RMS. Formula VRMS = 10(dBV / 20)

40 dB Attenuator Calculator

Calculate Resistor values for a 40 dB Pi attenuator

Use this tool to calculate Resistor values for a 40 dB Pi Attenuator circuit. 40 dB is the default attenuation value below and the characteristic impedance is 50 ohm. Both …

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20 dB Attenuator Calculator

Use this tool to calculate Resistor values for a 20 dB Pi Attenuator circuit. 20 dB is the default attenuation value below and the characteristic impedance is 50 ohm. Both …

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