Baluns  (4B1)

 

 

In order to connect an unbalanced feeder to a balanced antenna (e.g. coax feeding a dipole) a transformer known as a balun is needed.

 

BALUN:   BALanced - UNbalanced

 

Without a Balun rf currents flow on the outside braid, and the screening properties of coax are lost

 

 

 

 

 

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