Video Asylum

Posted by Shawn Harvey (i) on August 09, 2000 at 07:08:51:

In Reply to: What's a balun? posted by bnam on August 08, 2000 at 09:51:15:

balun:

A transformer connected between a balanced source or load and an unbalanced source or load. A balanced line has two conductors, with equal currents in opposite directions. The unbalanced line has just one conductor; the current in it returns via a common ground or earth path.

balun: Abbreviation for balanced to unbalanced. In radio frequency usage, a device used to couple a balanced device or line to an unbalanced device or line.