Radio Horizon Calculator (with Examples)
The Radio Horizon Calculator is used to find the the maximum horizon distance that a radio frequency (RF) signal can travel without interference from obstacles [1]. To find the range, …
Radio Frequency
Amp Output Calculator
This tool calculates the Output Power of an Amplifier. It also calculates the RMS (root-mean-square) output voltage. Enter: Formula Pout = Pin*Gain VRMS = √(Pout*R) Example Calculation For an input …
Longest Range TV Antenna (Do the marketing claims make sense?)
The range of TV antennas seems to increase with every passing year. The last time I checked it was 200 miles. This year in 2023 we now have 300 mile …
dB to Volt Calculator
This tool converts a dB (deciBel) value to a voltage ratio. Volt to dB Formula V = 10PdB/20 Where and Example Calculator For a dB value of 3, the voltage …
Volt to dB Calculator
This tool calculates the dB (deciBel) equivalent of a voltage ratio. Enter dB to Volt Formula PdB = 10*Log10((Vout2/Rout)/(Vin2/Rin)) Example Calculation If the output and input voltages are 2 V …
DC Blocking Capacitor Calculator
This tool calculates the value of a DC blocking capacitor. Enter the minimum frequency that has to pass through the cap and the value of the impedance. All frequencies lower …
dBm/Hz to Watt and Watt/Hz
This tool converts dBm (deciBel referenced to 1 mW) to Watt and Watt/Hz. Enter What is dBm/Hz used for? dBm/Hz is the power of the signal measured in a 1 …
Reflection Coefficient to Reflected Power Calculator
This tool calculates the reflected power from the reflection coefficient Formula Reflected Power (%) = 100*(|Γ|2) where Γ is the reflection coefficient and 0 < Γ < 1 Background The reflection coefficient …
VSWR to S11 Calculator
This tool calculates the S11 from the Voltage Standing Wave Ratio (VSWR). Enter VSWR (a value greater than or equal to 1) S11 to VSWR Formula S11 = (VSWR-1)/(VSWR+1) S11 …
Adding dB Calculator
Can you add two dB numbers together? Yes you can! For instance, if you cascade two 3 dB RF attenuation pads the resulting total attenuation is 6 dB. Use the …