An Essentially Non-Oscillatory (ENO) high-order accurate Adaptive table model for device modeling

Modern analytical device models become more and more complicated and expensive to evaluate in circuit simulation. Interpolation based table look-up device models become increasingly important for fast circuit simulation. Traditional table model trades accuracy for speed and is only used in fast-Spic...

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Vydané v:2004 41st Conference Design Automation s. 864 - 867
Hlavní autori: Yang, Baolin, McGaughy, Bruce
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: New York, NY, USA ACM 07.06.2004
IEEE
Association for Computing Machinery
Edícia:ACM Conferences
Predmet:
Analytical models
Applied sciences
Capacitance
Circuit simulation
Design. Technologies. Operation analysis. Testing
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Integrated circuits
Integrated circuits by function (including memories and processors)
Interpolation
Mathematics of computing
Mathematics of computing > Mathematical analysis
Mathematics of computing > Mathematical analysis > Numerical analysis
Mathematics of computing > Mathematical analysis > Numerical analysis > Interpolation
Modems
Permission
Polynomials
Radio frequency
Robustness
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Spline
Theoretical study. Circuits analysis and design
Circuit design
Circuit simulation
Modeling
Adaptive method
Fast circuit
Look up table
Interpolation
Analytical method
Automatic control
SPICE
Modem
Simulator
Computer aided design
ISBN:1581138288, 9781581138283, 1511838288
ISSN:0738-100X
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Popis
Shrnutí:Modern analytical device models become more and more complicated and expensive to evaluate in circuit simulation. Interpolation based table look-up device models become increasingly important for fast circuit simulation. Traditional table model trades accuracy for speed and is only used in fast-Spice simulators but not good enough for prime-time Spice simulators such as SPECTRE. We propose a novel table model technology that uses high-order essentially non-oscillatory (ENO) polynomial interpolation in multi-dimensions to guarantee smoothness in multi-dimensions and high accuracy in approximating i -- v/q --v curves. An efficient transfinite blending technique for the reconstruction of multi-dimensional tables is used. Interpolation stencil is adaptively determined by automatic accuracy control. The method has been proved to be superior to traditional ones and successfully applied in Spectre and Ultrasim for simulating digital, analog, RF, and mixed-signal circuits.
Bibliografia:SourceType-Conference Papers & Proceedings-1
ObjectType-Conference Paper-1
content type line 25
ISBN:1581138288
9781581138283
1511838288
ISSN:0738-100X
DOI:10.1145/996566.996796