Multitone frequency-domain simulation of nonlinear circuits in large- and small-signal regimes

被引：26

作者：

de Carvalho, NB ^{[1
]}

Pedro, JC ^{[1
]}

机构：

[1] Univ Aveiro, Inst Telecomunicacoes, P-3810 Aveiro, Portugal

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1998年 / 46卷 / 12期

关键词：

computer-aided analysis; frequency-domain analysis; nonlinear circuits; nonlinear distortion;

D O I：

10.1109/22.739276

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：

Computer simulation of general microwave nonlinear circuits excited by a large number of input tones is addressed. The algorithm, based on the spectral-balance method, uses novel index-vector and convolution-matrix generation techniques. That, in conjunction with a new nonlinear-device modeling approach (which directly takes into account the higher order derivatives of the I/V and Q/V characteristics), allowed the prediction of such complex behavior as spectral regrowth and noise-power ratio (NPR) tests of a class-B power amplifier or multitone intermodulation phenomena in a saturated multioctave amplifier.

引用

页码：2016 / 2024

页数：9

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