Competitive Linearity for Envelope Tracking

被引:16
作者
Enzinger, Harald [1 ]
Freiberger, Karl [1 ]
Vogel, Christian [1 ,2 ]
机构
[1] Graz Univ Technol, Signal Proc & Speech Commun Lab, Graz, Austria
[2] Univ Appl Sci, FH Joanneum, Graz, Austria
关键词
CREST FACTOR REDUCTION; DIGITAL PREDISTORTION; POWER; MODEL; EFFICIENCY;
D O I
10.1109/MMM.2017.2759618
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The aim of the 2017 DPD competition was to linearize an envelope-tracking PA driven by a concurrent dual-band OFDM signal. The measurement setup consisted of a vector signal generator (VSG), a signal and spectrum analyzer (SSA), and a dc power supply from Rohde & Schwarz. The device under test was an evaluation board from Texas Instruments, equipped with the envelope-tracking supply modulator chips LM3290 and LM3291, and the multiband, multimode PA module SKY77621 from Skyworks.
引用
收藏
页码:69 / 77
页数:9
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