Airplane Navigation Receiver Antenna Balun

An airplane mechanic friend, who also happens to own a 35 year old single engine Cessna airplane, was working on his tail light when he saw broken and aging components in his tail mounted navigation antenna. While working to fix the problems he discovered an interesting balun technique.

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Choke Baluns

The topic of balanced to unbalanced converters is broad, detailed and deserving of study to apply them where needed. However, this post will discuss the simplest balun of all… the Choke Balun.

Many balun designs convert impedances 1:1, 1:2, 1:4, 1:9 and up.

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