Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Reexamination Certificate
2006-08-11
2008-10-07
Pascal, Robert J. (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including push-pull amplifier
C330S079000
Reexamination Certificate
active
07432764
ABSTRACT:
The push-pull amplifier with transformational negative feedback is provided for amplification of variable electrical signals. It includes a signal input and a signal output, a transformational negative feedback connected with the signal input and the signal output and an amplifier circuit. The amplifier circuit includes an input and an output as well as a first transistor and a second transistor. The input of the amplifier circuit is thereby connected with the signal input and the output of the amplifier circuit is thereby connected with the signal output via the transformational negative feedback.
REFERENCES:
patent: 3417339 (1968-12-01), Sondermeyer
patent: 3778730 (1973-12-01), Cromwell et al.
patent: 6751495 (2004-06-01), Maier et al.
patent: 693 15 528 (1994-06-01), None
patent: 0 591 032 (1994-06-01), None
J. v. Parpart, “Breitbandige Ferrti-Hochfrequenztransformatoren”, Hüthig Verlag 1997, p. 122-126.
J. v. Parpart, “Breitbandige Ferrti-Hochfrequenztransformatoren”, Hüthig Verlag 1997, p. 131-133.
Pascal Robert J.
Schiff & Hardin LLP
Seimens Aktiengesellschaft
Wong Alan
LandOfFree
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