Methods and apparatus for reducing peak-to-RMS amplitude...

Details Methods and apparatus for reducing peak-to-RMS amplitude... Methods and apparatus for reducing peak-to-RMS amplitude...

2008-03-05

2009-12-29

Mis, David (Department: 2817)

Modulators

Pulse or interrupted continuous wave modulator

Pulse amplitude modulator

C332S107000, C375S353000

Reexamination Certificate

active

07639098

ABSTRACT:
A pulse amplitude modulation (PAM) signal generator that injects a copy of a pulse into the PAM baseband signal prior to frequency upconversion and power amplification. The pulse comprises a function of, or an extra copy of, a pulse in the PAM baseband signal. The pulse injector analyzes the PAM baseband signal for times when a predetermined threshold is exceeded and forms a pulse that is constructed and arranged to reduce the amplitude of the PAM baseband signal to a desired peak amplitude when the pulse is added to the PAM baseband signal.

REFERENCES:
patent: 6894559 (2005-05-01), Dolman
patent: 7054385 (2006-05-01), Booth et al.

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