AMPLITUDE CALIBRATION ELEMENT FOR AN ENHANCED DATA RATES FOR GSM EVOLUTION (EDGE) POLAR LOOP TRANSMITTER

An amplitude calibration element comprises a linear driver configured to receive the output of a modulator, the modulator output comprising a voltage signal having an amplitude modulated (AM) portion, a differential detector configured to receive an output of the linear driver and develop a differen...

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Bibliographic Details
Main Authors SOWLATI, TIRDAD, PULLELA, RAJASEKHAR, BALTEANU, FLORINEL, G, GHEORGHE, IONEL
Format Patent
LanguageEnglish
French
German
Published 20.11.2013
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:An amplitude calibration element comprises a linear driver configured to receive the output of a modulator, the modulator output comprising a voltage signal having an amplitude modulated (AM) portion, a differential detector configured to receive an output of the linear driver and develop a differential signal corresponding to the AM portion, and a differential comparator configured to receive the output of the differential detector and a differential reference signal, the differential comparator configured to develop a gain control signal to control the gain of the linear driver.
Bibliography:Application Number: EP20060759236