Stretching the design: extending analytical circuit design from the linear to the nonlinear domain
UNIVERSAL IDENTIFIER: http://hdl.handle.net/11093/4383
EDITED VERSION: http://ieeexplore.ieee.org/document/6891480/
UNESCO SUBJECT: 3307.08 Dispositivos de Microondas ; 3307.14 Dispositivos Semiconductores
DOCUMENT TYPE: article
In the design of most electronic circuits and systems, designers use computer-aided design (CAD) tools to guide the design flow. They exploit the ability of CAD tools to perform algebraic operations to compute/ predict circuit and system performance. This is possible because, in most electronic circuits and systems, linear operation can be assumed. The behavior of microwave components, circuits, and systems can, for example, be described in terms of "behavioral" parameters, such as Z-parameters, Y-parameters, and S-parameters. Transformation from one parameter to another is achieved by simple linear algebraic operations . The performance of more complex circuits can be computed via linear matrix operations using the relevant parameters, i.e., Y-parameters for parallel connections and Z-parameters for series connections. More significantly, performance predictions can also be obtained via linear algebra transformations, i.e., the maximum gain, minimum noise figure, potential instability, etc., along with design insight, i.e., gain circles, noise circles, optimum input/output match requirements, and so on , .
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