Systems ramping power amplifier output power

Details Systems ramping power amplifier output power Systems ramping power amplifier output power

2006-09-11

2010-02-23

Pascal, Robert (Department: 2817)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C330S285000

Reexamination Certificate

active

07668516

ABSTRACT:
A power amplifier circuit including a first transistor, a second transistor, and a power control circuit. The first transistor includes a first input and a first output. The second transistor includes a second input coupled in series with the first output of the first transistor. The input circuit is coupled to the second input of the second transistor. The control circuit includes a time delay circuit and a variable source.

REFERENCES:
patent: 5150075 (1992-09-01), Hietala et al.
patent: 6169886 (2001-01-01), Black et al.
patent: 6535065 (2003-03-01), Aoki
patent: 6606308 (2003-08-01), Genest et al.
patent: 6639471 (2003-10-01), Matsuura et al.
patent: 6759906 (2004-07-01), Matsunaga et al.
patent: 7129787 (2006-10-01), Nilson

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