Method and apparatus for protecting devices in an RF power...

Details Method and apparatus for protecting devices in an RF power... Method and apparatus for protecting devices in an RF power...

2008-04-01

2008-04-01

Shingleton, Michael B (Department: 2815)

Amplifiers

Miscellaneous

Amplifier protection means

C330S298000, C330S278000, C330S279000, C330S285000

Reexamination Certificate

active

11536231

ABSTRACT:
A method and apparatus are provided for use with a power amplifier for protecting active devices on the power amplifier. A peak detector is used by control circuitry to detect the presence of a peak voltage that exceeds a threshold voltage. In response to the detection of a peak voltage, the gain of the power amplifier is reduced.

REFERENCES:
patent: 4859967 (1989-08-01), Swanson
patent: 5101172 (1992-03-01), Ikeda et al.
patent: 5337006 (1994-08-01), Miyazaki
patent: 6188277 (2001-02-01), Borodulin et al.
patent: 6794935 (2004-09-01), Klomsdorf et al.
patent: 2002/0168025 (2002-11-01), Schwent et al.
Xreferplus Definition of power amplifier. 2000.

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