Read e-book online Design of Linear RF Outphasing Power Amplifiers PDF

By Xuejun Zhang, Lawrence E. Larson, Peter Asbeck

ISBN-10: 1580533744

ISBN-13: 9781580533744

ISBN-10: 1580536123

ISBN-13: 9781580536127

This is often the 1st ebook dedicated completely to the outphasing energy amplifier, overlaying the latest study effects on very important facets in sensible layout and functions. A compilation of the entire proposed outphasing methods, this can be a big source for engineers designing base station and cellular handset amplifiers, engineering managers and application managers supervising strength amplifier designs, and R&D body of workers in undefined. The paintings allows you to: layout microwave energy amplifiers with better potency and superior linearity at a lower price; comprehend linearity and function tradeoffs in microwave energy amplifiers; and comprehend the influence of recent modulation thoughts on microwave energy amplifiers.

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Additional resources for Design of Linear RF Outphasing Power Amplifiers

Sample text

Introduction 33 [10] Voelker, K. , ‘‘Apply Error Vector Measurements in Communications Design,’’ Microwave and RF, December 1995, pp. 143–152. [11] Heutmaker, M. , ‘‘The Error Vector and Power Amplifier Distortion,’’ in Proc. 1997 Wireless Communications Conference, Boulder, CO, 1997, pp. 100–104. [12] Agilent Application Note 1355, Designing and Testing 3GPP WCDMA Transceiver Base Stations, 2001. , ‘‘Statistical Characterization of RF Power Amplifier Efficiency for IS-95 CDMA Digital Wireless Communication Systems,’’ in Proc.

317–318. , ‘‘Spectral Sensitivity of LINC Transmitters to Quadrature Modulator Misalignments,’’ IEEE Trans. Veh. , Vol. 49, No. 4, July 2000, pp. 1474– 1487. 1 Introduction As discussed in Chapter 1, in an outphasing power amplifier system, the AM of a bandpass waveform is transformed into PM of two signals prior to power amplification, and finally recovered by recombining the two amplified signals. 16, with this approach, two highly efficient nonlinear power amplifiers can be used without distorting the original signal.

P. Leck, ‘‘A VHF Implementation of a LINC Amplifier,’’ IEEE Trans. , Vol. COM-24, September 1976, pp. 1018–1022. [23] Bateman, A. , May 1992, pp. 759–763. [24] Chan, K. , and A. Bateman, ‘‘Linear Modulators Based on RF Synthesis: Realization and Analysis,’’ IEEE Trans. Veh. , Vol. 42, No. 6, June 1995, pp. 321–333. [25] Jennings, D. , and J. P. McGeehan, ‘‘A High-Efficiency RF Transmitter Using VCODerived Synthesis: CALLUM,’’ IEEE Trans. Veh. , Vol. 47, No. 6, June 1999, pp. 715–721. , and J. L.

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Design of Linear RF Outphasing Power Amplifiers by Xuejun Zhang, Lawrence E. Larson, Peter Asbeck

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