NDLI: Automated multidimensional characterization of power amplifier for design and production

Content Provider	IEEE Xplore Digital Library
Author	Nader, C. Altahir, H. Andersen, O. Bjorsell, N. Condo, E. Keskitalo, N. de la Rosa, H.
Copyright Year	2009
Description	Author affiliation: Center for RF Meas. Technol., Univ. of Gavle, Gavle, Sweden (Nader, C.; Altahir, H.; Bjorsell, N.; Condo, E.; Keskitalo, N.) \|\| Ericsson AB, Gavle, Sweden (Andersen, O.) \|\| Freescale Semicond. Nordic AB, Kista, Sweden (de la Rosa, H.)
Abstract	Designing, optimizing and producing modern power amplifiers (PA) requires new and fast RF (radio frequency) measurement techniques capable of characterizing its real behavior. PAs are a truly multidimensional device where many desired performance parameters are contradictory to each other. This is especially true for the generation of modern communication PAs that require high efficiency, high linearity as well as high bandwidth. This paper presents a software-defined measurement setup for fast and cost efficient multidimensional measurements based on highly accurate standard instruments and a PC. The test bed as well as the graphical user interface is presented along with a demonstration of its functionality. During tuning of tank networks, drain quiescent current, and bias conditions, 3-dimensional graphs can be selected for the most appropriate axes of trade-off parameters to display a true behavior of the PA under test subjected to real-world or close to real-world signals. The measurement system offers the possibility to monitor envelope-tracking dynamic power consumption up to 100 MHz plus the possibility to use high crest factors.
Sponsorship	IEEE Instrum. Meas. Soc.
Starting Page	144
Ending Page	148
File Size	594718
Page Count	5
File Format	PDF
ISBN	9781424433520
ISSN	10915281
DOI	10.1109/IMTC.2009.5168432
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-05
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multidimensional systems Power amplifiers Production Radiofrequency amplifiers Radio frequency Design optimization Measurement techniques Linearity Bandwidth Cost function gain-distortion-efficiency Automated multidimensional measurements power amplifier time domain measurement state-of-the-art test-bed
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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