NDLI: From frequency-domain, physics-based modeling to time-domain simulation of high data-rate performance II: non-linear gain with memory

Content Provider	IEEE Xplore Digital Library
Author	Safier, P.N. Antonsen Jr., T. Qiu, J. Danly, B.G. Levush, B.
Copyright Year	2002
Description	Author affiliation: Sci. Applications Int. Corp., McLean, VA, USA (Safier, P.N.)
Abstract	Summary form only given. The explosive growth in telecommunications dictates the use of digital modulation techniques in wireless systems, and amplifiers for these systems must meet criteria that are usually specified in the time-domain. However, the physics-based nonlinear simulation of amplifiers such as traveling-wave tubes (TWTs) has been implemented traditionally in the frequency-domain, and traditional amplifier performance specifications usually relate to frequency domain properties. Thus, the impact of trade-offs of amplifier properties on digital signal performance is not directly obtainable. This is particularly true if the device under consideration has internal reflections that produce a frequency response with structure over the bandwidth of the digital signal, thus introducing significant memory effects. Here we present a new model that incorporates frequency dependence into the non-linear gain, i.e. a non-linear gain with memory.
Sponsorship	IEEE Electron Devices Soc
Starting Page	316
Ending Page	317
File Size	184015
Page Count	2
File Format	PDF
ISBN	0780372565
DOI	10.1109/IVELEC.2002.999398
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-04-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time domain analysis Frequency dependence Transfer functions Bit error rate Reflection Band pass filters Shape control Performance gain Plasma applications Laboratories
Content Type	Text
Resource Type	Article

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