Title: Telecommunications signal amplifier

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Claims: What is claimed is:

1. A telecommunications signal amplifier presenting an input terminal, an output terminal, and a common input and output terminal and being composed:

of an active tripole provided with an input terminal,

an output terminal and a common input and output terminal and

a first passive dipole including two terminals, one of which is connected to the common input and output terminal of the tripole, and the other of which is connected to the common input and output terminal of the amplifier; and

a second passive dipole including two terminals, one of which is connected to said input terminal of said amplifier and said input terminal of said active tripole and the other of which is connected to said output terminal of said amplifier and said output terminal of said active tripole;

said amplifier being characterized in that the active tripole presents a transfer function with a negative real portion and the active tripole also exhibits an input impedance and an output impedance which are approximately equal to one another and to the iterative impedance of the line in which said amplifier is inserted, in that said first passive dipole presents a complex impedance, and in that the impedance of the second dipole is the reciprocal of the impedance of the first dipole with respect to the iterative impedance of the line into which the amplifier is inserted.
Other info:

Inventors: Minot, Pierre Jean Marie (Ivry-sur-Seine, FR)

Application Number: 345010
Filing Date: 1973-03-26
Publication_date: 1976-02-10
Assignee: Societe Anonyme de Telecommunications (Paris, FR)
Primary Class(es): 330/78 330/102, 330/107, 330/294, 381/120
Other Classes:
US Patent Ref:

2315040	Mar, 1943	Bode	330/107.
2691078	Oct, 1954	Gluyas	330/78.

Other Refs:
Primary Examiner: Smith, Alfred E.
Assistant Examiner: Rosenberger, Richard A.
Attorney: Bloom; Jerome P.