Low-noise amplifier circuit and a method for amplifying...

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit

Reexamination Certificate

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C455S253200, C455S144000

Reexamination Certificate

active

07031691

ABSTRACT:
The invention relates to a low-noise amplifier circuit and a method for amplifying low-power signals in a low-noise manner. Said signals are supplied to the inputs of several amplifiers (20 . . . 29) which are arranged in parallel. The output signals of said amplifiers (20 . . . 29) are multiplied by each other.

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Muller, Rudolf, Rauschen, Chapter 9, Springer Verlag, Berllin, 1990.
I.N. Bronstein, K.A. Semendjajew, Taschenbuch der Mathematik, p. 603, Verlag Harry Deutsch, Thun 1989.
H. Ott, Noise reduction techniques in electronic systems, Chapter 9, J. Wiley & Sons, NY, 1988.

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