If you want to connect an antenna with a coaxial connection to an older TV that uses a two-wire input, you’ll need to use a balun transformer because these are different types of circuits. The coaxial connection is an unbalanced circuit that carries a single signal on its center conductor. The two-wire connection on your old TV is a balanced circuit which carries two equal signals traveling out of phase. For many applications, the balun requires a manufacturing process. But in the case of your old TV, you can do it yourself. Tips Writer Bio
