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- W858203540 abstract "This work presents the study, design and measurement of RF circuits aiming communication applications. The need for flexible and reconfigurable RF hardware leads to the need of alternative transmitter architectures. In the center of this innovative architecture, there is thepower oscillator. This circuit is composed of a power amplifier in a positive feedback loop soit oscillates. As the circuit under study is mainly composed of a power amplifier, a study on power amplifier is mandatory. Modern CMOS technologies impose difficulties in the efficient RF generation due to low breakdown voltages. In order to reduce the voltage stress on the transistors, wave form-engineering techniques are used leading to the use of class EF2. Thedesign and measurement of a class EF2 power amplifier and power oscillator are shown. Thecircuits were implemented in standard STMicroelectronics 0.13um CMOS. Correct behaviorfor the circuits was obtained in measurement, leading to a first implementation of class EF2 inRF frequencies. From a system perspective, the proposed architecture is shown to be flexible and able to generate different modulations without change in the hardware. Reconfigurability is shown not only in modulation but also in output power level. The limitations of this architecture are discussed and some mathematical modeling is presented." @default.
- W858203540 created "2016-06-24" @default.
- W858203540 creator A5065816440 @default.
- W858203540 date "2018-10-11" @default.
- W858203540 modified "2023-09-24" @default.
- W858203540 title "Study and design of CMOS RF power circuits and modulation capabilities for communication applications" @default.
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- W858203540 doi "https://doi.org/10.26512/2015.06.t.19186" @default.
- W858203540 hasPublicationYear "2018" @default.
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