HF Radio Range in km or miles
The HF band extends from 3 MHz to 30 MHz. In this post, we compute how far an HF signal can be transmitted. To find the HF distance we use …
Calculators
dB to Gain Calculator
This tool converts a dB (deciBel) value to: Gain to dB Formula Power gain = 10XdB/10 Voltage gain = 10XdB/20 Note that Gain is a linear value. If the input …
Gain to dB Calculator
The two calculators below convert input/output power and voltage to a Power Gain in dB (deciBel). Linear Power to dB Gain Formula GdB = 10*log10(Pout/Pin) Linear Voltage to dB Gain …
VHF Dipole Antenna Length Calculator
The VHF (Very High Frequency) range is 30 MHz to 300 MHz. Use this calculator to find the dimensions of a Dipole antenna designed to operate at this frequency range. …
UHF Antenna Length Calculator
The UHF (Very High Frequency) range is 300 MHz to 3000 MHz (3 GHz). Use this calculator to find the dimensions of a Dipole antenna designed to operate at this …
dBm to Distance Calculator (with Examples)
This tool uses the transmitter power and receiver sensitivity in dBm to calculate the maximum distance (miles or km) that can be achieved in a communication system. The system includes …
Resolution Bandwidth Calculator
This tool calculates the Resolution Bandwidth (RBW) of a Spectrum Analyzer based on Formula RBW = Span/N Background Most spectrum analyzers are built with super-heterodyne receivers. The final stage of …
Modulation Index Formula and Calculator
In this post we present modulation index formula and calculators for three different modulation formats: AM, FM and FSK. Contents1 Amplitude Modulation Index1.1 Formula1.2 Calculator1.3 Example2 Frequency Modulation2.1 Formula2.2 Calculator2.3 …
5G Range Calculator
5G networks are being deployed around the USA and many other parts of the world. These networks will replace the older 4G systems. One of the biggest differences between 4G …
Frequency Hz to PPM Calculator
This calculator converts the Variation in Output Frequency (Hz/kHz/MHz/GHz) to parts per million (PPM) or parts per billion (PPB). It also calculates the Frequency Error (%). Enter: 🔁 ppm to …