一种用于射频功率放大器数字预失真模型识别的2.0-2.5 GHz频率可选振荡器

2017 Integrated Nonlinear Microwave and Millimetre-wave Circuits Workshop (INMMiC) Pub Date : 2017-04-01 DOI:10.1109/INMMIC.2017.7927294

Kevin McGrath, A. Zhu

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引用次数: 1

摘要

本文设计了一种频率可选振荡器，用于射频功率放大器(pa)数字预失真(DPD)的新数据采集架构。该架构旨在缓解数据采集环路中对高采样率模数转换器(adc)的要求。该振荡器采用数字控制方案的可切换电容器，能够在2.0 GHz和2.5 GHz之间工作，频率步长约为512 kHz。

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A 2.0–2.5 GHz frequency-selectable oscillator for digital predistortion model identification of RF power amplifiers

This paper presents the design of a frequency selectable oscillator used as part of a new data acquisition architecture for digital predistortion (DPD) of RF power amplifiers (PAs). The proposed architecture aims to alleviate the requirement of high sampling rate analog-to-digital-converters (ADCs) in the data acquisition loop. The oscillator utilizes switchable capacitors with a digital control scheme and is capable of operating between 2.0 GHz and 2.5 GHz with an approximate frequency step size of 512 kHz.

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2017 Integrated Nonlinear Microwave and Millimetre-wave Circuits Workshop (INMMiC)

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