R.F. output power control

Details R.F. output power control R.F. output power control

2006-10-24

2006-10-24

Nguyen, Patricia (Department: 2817)

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

C330S110000, C330S311000

Reexamination Certificate

active

07126420

ABSTRACT:
An R.F. power amplifier circuit comprising a power control loop is described. The power control loop includes an R.F. power amplifier having a power control input and a power supply input as well as at least one feedback path coupled between the power control input and the power supply input of the power amplifier. The feedback path includes at least one variable loop element that has a control terminal configured to reduce variations of control loop parameters.

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BINDRA; “Smart Biasing Keeps RF Power Amplifier on Track”; Electronic Design, Jan. 21, 2002, pp. 38 and 40.

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