In this paper is described a directional coupler in which the analogical reconstruction of the backward wave is obtained by means of a transistor. The use of an active element has allowed one to obtain at the same time a broad band, a high directiyity and a tight coupling. The use of such a coupler in a bidirectional broad band amplifier is also proposed.
A transistorized directional coupler
1967
Abstract
In this paper is described a directional coupler in which the analogical reconstruction of the backward wave is obtained by means of a transistor. The use of an active element has allowed one to obtain at the same time a broad band, a high directiyity and a tight coupling. The use of such a coupler in a bidirectional broad band amplifier is also proposed.File in questo prodotto:
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Descrizione: A transistorized directional coupler
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