VHF Radio Range Calculator
Use this tool to calculate how far a VHF radio can transmit. Enter the antenna height and pick the units (meters or feet). Formula d = 4.12 * √h where …
Radio Frequency
Thermal Noise Power Calculator (with Examples)
Introduction Thermal noise power (also known as Johnson-Nyquist Noise [1]) is a function of temperature and bandwidth. This calculator goes by different names Calculator Enter kTB Noise Power Formula Thermal …
Peak Envelope Power (PEP) Calculator (with Examples)
The Peak Envelope Power of a signal is measured in a resistive load, and the formula for it is PEP = (Vpeak2/2)* (1/R) or PEP = VRMS2/R In the calculator …
Peak Power Calculator
This calculator is used to find the Peak power of an Optical or RF pulse. It also gives the RMS power. Introduction In the picture below, the Pulse Width is …
Peak Power to RMS Calculator
This calculator converts Peak Power to root-mean-square Power. It also converts PRMS to Ppeak Enter either value and it will compute the other. Formula PRMS = 0.7071 * Ppeak Ppeak …
T Attenuator Calculator
Use this tool to calculate resistor values for a T attenuator pad. This attenuator type is used in Radio Frequency (RF) circuits as an alternative to a Pi configuration. Enter …
Pi Attenuator Calculator (with Examples)
Use this tool to calculate resistor values for a Pi attenuator pad. These attenuators are used in Radio Frequency (RF) circuits. Enter the desired value of attenuation and the characteristic …
Volt to dBm Calculator
Use this calculator to convert from RMS Voltage to Power in dBm. RMS means root-mean-square value or VRMS The default impedance is 50 Ω. It can be changed to any …
dBi Calculator
dBi stands for deciBel isotropic [1]. It is the gain of an antenna relative to that of a theoretical isotropic antenna [2]. An Isotropic antenna radiates energy equally in all …
dBm to dBi Calculator
dBi stands for deciBel Isotropic [1]. It is the gain of an antenna relative to that of an ideal isotropic antenna that radiates energy equally in all directions. dBm [2] is the …