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The Theory of Coupled Circuits, PDF eBook

The Theory of Coupled Circuits PDF

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Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility.

Professor Braun,1 in seeking for some method whereby he could increase the amount of energy available for radiation in wireless telegraphy, without employing excessively high voltages, conceived the idea of using coupled circuits.

The advantages of this method over the old method - direct excited antennae - are quite obvious, and are familiar to all students of this subject.

By the use of an auxiliary circuit of low resistance and large capacity, we can store up a large amount of energy, and at the same time produce a more prolonged oscillation, which is very important for syntonization.

The coupling may be accomplished in two different ways, electromagnetically or direct, as indicated in Figs. 1 and 2. In either case the advantages to be gained are the same.

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