DC operating points of transistor circuits

Trajković, Ljiljana

doi:10.1587/nolta.3.287

Cited by 18 publications

(12 citation statements)

References 47 publications

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“…A continuation method is a method of dc circuit analysis that under proper conditions, is guaranteed to find a circuit's operating point [26], [27]. It can be also used in calculating a circuit's periodic steady-state response [24], [25].…”

Section: On Finding Operating Points Of Nonlinear Inertialess Circuitsmentioning

confidence: 99%

Interval Methods for Analog Circuits

Garczarczyk¹

2013

Analog Circuits

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Section: On Finding Operating Points Of Nonlinear Inertialess Circuitsmentioning

confidence: 99%

Interval Methods for Analog Circuits

Garczarczyk¹

2013

Analog Circuits

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“…Such task is crucial because it directly affects the performance and yield of the circuit. In addition, this analysis is problematic, since finding equilibrium points consists in searching for the roots of a non linear vector valued function [1]. Moreover, the root search problem becomes more complicated under circuit parameters variation that directly affect the location and stability of DC operating points.…”

Section: Introductionmentioning

confidence: 99%

Enablingy the DC solutions characterization using a fuzzy approach

Lahiouel

Aridhi

Zaki

et al. 2014

2014 IEEE 12th International New Circuits and Systems Conference (NEWCAS)

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This paper presents a method for characterizing the DC operating points of analog circuits. We construct fuzzy DC equations that model circuit parameter variations and apply a global optimization algorithm to estimate the location of DC points. We applied our method to analyze the stability of a ring oscillator and the influence of the input voltage offset on the DC characteristic of a differential pair. Our results prove the effectiveness of our method in describing circuits DC performance parameters and predicting possibilities of undesired circuit operations.

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“…The model parameters α f , α r , m e , m c , n e , and n c are required to satisfy the passivity, no-gain, and reciprocity conditions [10].…”

Section: Homotopy Methods For Mn Equationsmentioning

confidence: 99%

An efficient and globally convergent homotopy method for finding dc operating points of nonlinear circuits

Yamamura¹,

Kuroki²

Asia and South Pacific Conference on Design Automation, 2006.

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Finding DC operating points of nonlinear circuits is an important problem in circuit simulation. The Newton-Raphson method employed in SPICE-like simulators often fails to converge to a solution. To overcome this convergence problem, homotopy methods have been studied from various viewpoints. There are several types of homotopy methods, one of which succeeded in solving bipolar analog circuits with more than 20000 elements with the theoretical guarantee of global convergence. In this paper, an improved version of the homotopy method is proposed that can find DC operating points of practical nonlinear circuits smoothly and efficiently. It is also shown that the proposed method can be easily implemented on SPICE without programming.

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DC operating points of transistor circuits

Cited by 18 publications

References 47 publications

Interval Methods for Analog Circuits

Interval Methods for Analog Circuits

Enablingy the DC solutions characterization using a fuzzy approach

An efficient and globally convergent homotopy method for finding dc operating points of nonlinear circuits

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