Integrated implementation of a voltage boost follower and...

Details Integrated implementation of a voltage boost follower and... Integrated implementation of a voltage boost follower and...

2006-06-22

2010-06-01

Shingleton, Michael B (Department: 2815)

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

C330S295000, C330S297000

Reexamination Certificate

active

07728663

ABSTRACT:
A collector boost circuit is disclosed for providing a first voltage in a first mode of operation to a power amplifier, and another voltage in a second mode of operation to the power amplifier. The collector boost circuit uses an indicator signal derived by an RF detector to switch between the first and the second mode of operation. The another voltage is a boosted voltage greater than the first voltage and is provided when required during peak excursions to prevent amplifier clipping through a boost capacitor. The another voltage is continuous and varies in accordance with the detected peak signal amplitude.

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patent: WO 2004/086321 (2004-10-01), None
European Search Report for EP 07 72 0007 mailed Jul. 24, 2009.

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