The BAL-2593D5U and BAL-2690D3U are integrated baluns used to convert the antenna signal to a balanced pair of signals as required by the Bluetooth transceiver. As replacements for traditional baluns ...

The balun used in the example above, between “rabbit ears” and the television’s antenna input, uses an impedance-transformation ratio of 1:4 (alternatively 4:1) to match the 300-ohm twin-lead antenna ...