Amplification using amplitude reconstruction of amplitude and/or

Details Amplification using amplitude reconstruction of amplitude and/or Amplification using amplitude reconstruction of amplitude and/or

1998-03-06

1999-03-23

Mottola, Steven

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330124R, 332106, H03F 338, H03F 368

Patent

active

058865730

ABSTRACT:
The present invention provides high power linear amplification of an amplitude and/or phase modulated signal using multiple saturated (or if desired, unsaturated) amplifiers driven by an appropriate set of switched, and/or phase modulated constant amplitude signals derived from the input signal. The present invention combines three amplitude reconstruction techniques and implements the amplitude reconstruction modulator digitally.

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Struble, et al., "Understanding Linearity in Wireless Communication Amplifiers", IEEE Journal of Solid-State Circuits, vol. 32, No. 9, Sep. 1997.

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