Signal amplifier and integrated circuit

Details Signal amplifier and integrated circuit Signal amplifier and integrated circuit

2008-05-06

2008-05-06

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

Reexamination Certificate

active

10510282

ABSTRACT:
A signal amplifier and an integrated circuit capable of obtaining a high gain and high output in a wide range. The signal amplifier includes a pre-stage circuit for inputting a signal from outside and a post-stage circuit for amplifying the signal output from the pre-stage circuit and outputting it. The input impedance of the pre-stage circuit and the output impedance of the post-stage circuit are set so as to match with an external impedance within a frequency range of one digit or above. The output impedance of the pre-stage circuit and the input impedance of the post-stage circuit are set so as to match with an impedance lower than the output impedance of the post-stage circuit.

REFERENCES:
patent: 6727762 (2004-04-01), Kobayashi
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patent: 8-274553 (1996-10-01), None
patent: 9-312526 (1997-12-01), None
patent: 11-88079 (1999-03-01), None
Yalcin Ayasli et al., “A Monolithic GaAs 1-13 GHz Traveling-Wave Amplifier” IEEE Trans., vol. MTT-30, No. 7, Jul. 1982, pp. 976-980.

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