Amplifying a signal using a control modulator that provides...

Details Amplifying a signal using a control modulator that provides... Amplifying a signal using a control modulator that provides...

2006-12-26

2006-12-26

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S010000, C330S127000

Reexamination Certificate

active

07154337

ABSTRACT:
According to one embodiment of the present invention, an amplifier includes an amplifying transistor coupled to a ground and operable to amplify a received signal. One or more bias components provide a bias resistance for the amplifying transistor. The one or more bias components include a control modulator coupled in series between the amplifying transistor and the ground. The control modulator receives a control signal and modulates the amplifying transistor in response to the control signal.

REFERENCES:
patent: 3721771 (1973-03-01), Greneker
patent: 5280633 (1994-01-01), Camiade et al.
patent: 5973565 (1999-10-01), Bhatia
patent: 6476647 (2002-11-01), Rapakko
patent: 6721549 (2004-04-01), Lee et al.
patent: 6987422 (2006-01-01), Vice
patent: 2002/0119762 (2002-08-01), Ogihara
patent: WO 00/62418 (2000-10-01), None
“Types of Bias”, Electrical Engineering Training Series, Integrated PublishingThe Most Informative Site on the Internet, http://www.infodotinc.com
eets/book7/25d.htm, 5 pages.
PCT, Notification of Transmittal of The International Search Report and The Written Opinion of The International Searching Authority, or The Declaration, International Application No. PCT/US2005/037520; dated Feb. 10, 2006.

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