Polar modulator and method for determining an amplitude...

Details Polar modulator and method for determining an amplitude... Polar modulator and method for determining an amplitude...

2005-10-21

2008-12-23

Le, Thanh C (Department: 2618)

Telecommunications

Transmitter

Carrier amplitude control

C455S126000, C330S149000

Reexamination Certificate

active

07469130

ABSTRACT:
A polar modulator contains a first input for supplying an amplitude modulation word and a second input for supplying a phase modulation word. The first input is connected to a first signal path, and the second input is connected to a second signal path. The polar modulator contains a converter having a first input which is connected to a first signal path and having a second input which is connected to the second signal path. In this case, the converter is configured to output a radio-frequency signal derived from the phase modulation word and the amplitude modulation word. A feedback path has a level detector connected to the converter and has its output side connected to a correction device. The correction device is designed to output a correction word to the first signal path on the basis of a signal which is output by the level detector.

REFERENCES:
patent: 6266517 (2001-07-01), Fitzpatrick et al.
patent: 7072626 (2006-07-01), Hadjichristos
patent: 2002/0050372 (2002-05-01), Lee
patent: 195 35 075 (1996-04-01), None
patent: 199 29 167 (2000-12-01), None
patent: 100 45 761 (2002-03-01), None
patent: 102 55 863 (2004-06-01), None

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