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Aristotle Hadjichristos

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Publication

Featured researches published by Aristotle Hadjichristos.

international symposium on circuits and systems | 2003

Transmit architectures and power control schemes for low cost highly integrated transceivers for GSM/EDGE applications

Aristotle Hadjichristos

This paper provides an overview of polar modulation transmitter solutions for 3G radios with different modulation formats. Conventional (linear Cartesian) transmitter architectures are summarized and some known realization inefficiencies are highlighted. Polar modulation is presented as an improved transmitter architecture and its implementation impairments are discussed. Finally, a single-chip GSM/EDGE transceiver solution is presented.

Archive | 1998

On-channel transceiver architecture in a dual band mobile phone

Jeffrey Schlang; Ron Boesch; Charles Gore; Aristotle Hadjichristos

Archive | 1997

Low noise Gilbert Multiplier Cells and quadrature modulators

Aristotle Hadjichristos

Archive | 2001

High-level modulation method and apparatus

Paul W. Dent; David R. Pehlke; Aristotle Hadjichristos

Archive | 2000

System and method of RF power amplification

David R. Pehlke; Aristotle Hadjichristos; William O. Camp

Archive | 2000

Class-B biased gilbert cells and quadrature modulators

Paul W. Dent; Aristotle Hadjichristos

Archive | 1998

Transceiver architecture in a dual band mobile phone

Jeffrey Schlang; Ron Beosch; Charles Gore; Aristotle Hadjichristos

Archive | 2002

Power amplifier control

Paul W. Dent; David R. Pehlke; Aristotle Hadjichristos

Archive | 2001

Amplituden- und phasenmodulator Amplitude and phase modulator

David R. Pehlke; Aristotle Hadjichristos; William O. Camp

Archive | 1998

Low noise gilbert multiplier cells and quadrature modulators, and related methods

Aristotle Hadjichristos

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David R. Pehlke

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Paul W. Dent

Ericsson

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Charles Gore

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Jeffrey Schlang

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William O. Camp

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Ron Beosch

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Ron Boesch

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