Linear power amplifier

Details Linear power amplifier Linear power amplifier

1998-07-17

2000-03-28

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including gain control means

330298, 330297, 455126, H03G 310, H03F 304, H02H 720, H01Q 1112

Patent

active

06043712&

ABSTRACT:
A power amplifier stage includes a linear radio frequency (RF) power amplifier (106), having a bias port and a supply port. The bias port receives a DC amplifier bias potential (142) for controlling the power gain of the RF amplifier stage and the supply port receives a power supply. A bias control (202) switchably provides the DC amplifier bias potential (142) at the bias port while a supply control switchably provides the power supply (210) in response (160) to the bias control (202) at the supply port.

REFERENCES:
patent: 4994757 (1991-02-01), Bickley et al.
patent: 5101173 (1992-03-01), DiPiazza et al.
patent: 5142240 (1992-08-01), Isota et al.
patent: 5150361 (1992-09-01), Wieczorek et al.
patent: 5420536 (1995-05-01), Faulkner et al.
patent: 5559807 (1996-09-01), van den Heuvel et al.
patent: 5729539 (1998-03-01), Heeschen et al.
patent: 5874860 (1999-02-01), Brunel et al.

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