what is a balun and what does it do
A balun is an electrical transformer that is used to convert electrical signals to and from balanced and unbalanced signals.They are normally used to connect lines that have different levels of impedance and are commonly used in the home for connecting HD and traditional antennas.alun Applications. A balunâs primary function is to try to get disparate systems to be compatible. They are used extensively in modern day telecommunications to connect data transmission networks, for cellular phone applications, satellites, transmitters, radars, and antenna connections.