ANALYSIS AND SENSITIVITIES OF NOISY NETWORKS USING NODAL APPROACH

被引：4

作者：

PAIXAO, OP

JASTRZEBSKI, AK

机构：

[1] Electronic Engineering Laboratories, University of Kent, Canterbury, Kent

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1994年 / 42卷 / 07期

关键词：

D O I：

10.1109/22.299764

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：

An enhancement of nodal noise analysis of electrical networks is presented by computing noise sensitivities with respect to network parameters. The noise figure and spot noise parameters sensitivities of the reduced two-port network are obtained from the partial inversion of the nodal admittance matrix. Analytical formulas are derived to calculate first- and second-order noise sensitivities directly, rather than using a computer-time intensive perturbation method. Expressions for noise sensitivities of cascaded networks are also given. Numerical results for an actively matched amplifier are shown to illustrate the advantages of the proposed technique.

引用

页码：1254 / 1260

页数：7

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