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Using Baluns and RF Components for Impedance Matching

Authored on: Mar 1, 2013 by Chris Hare

Technical Paper / Application Note

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Impedance mismatch in a circuit results in energy being reflected back to the source, reducing the amount of power available to the load and possibly causing damage to the power source. Matching the output impedance of the power source to the input impedance of an electrical load maximizes power transfer from source to load. By matching the impedance of the source and load, circuit designers protect the power source from reflected energy and optimize circuit efficiency. This application note discusses the use of baluns, RF inductors and wideband transformers for impedance matching with antennas, mixers and push-pull amplifiers.


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