= Karl Ferdinand Braun
{c}
{title2=1850–1918}
= Ferdinand Braun
{c}
{synonym}
= K. Ferdinand Braun
{c}
{synonym}
= K. F. Braun
{c}
{synonym}
A <physicist>.https://physique-ingenierie.unistra.fr/en/faculty/translate-to-english-histoire-de-la-faculte/[Independent biographical identity and professional specialization]{ref}
\Image[https://upload.wikimedia.org/wikipedia/commons/0/05/Braun_1909.jpg]
{title=Portrait of <Karl Ferdinand Braun>}
{width=240}
<Wireless telegraphy> connects an oscillating <electrical circuit> to a distant receiver. Tuning and coupling determine how effectively the circuit transfers a signal.
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