Title :
z-Domain Orthonormal Vector Fitting for Macromodeling High-Speed Modules Characterized by Tabulated Data
Author :
Nouri, Behzad ; Achar, Ramachandra ; Nakhla, Michel ; Saraswat, Dharmendra
Author_Institution :
Dept. of Electron., Carleton Univ., Ottawa, ON
Abstract :
In this paper, an advanced macromodeling tool based on z-domain orthonormal vector fitting (ZD-OVF) is proposed. This novel method provides accurate and compact models for linear subnetworks using either frequency- or time-domain tabulated data. For this purpose, a new set of orthonormal basis functions are developed. Utilizing the z-domain orthonormal basis functions improves the numerical conditioning of resulting system equations. Numerical examples are provided to demonstrate the performance and convergence properties of the new algorithm.
Keywords :
VLSI; curve fitting; integrated circuit design; integrated circuit modelling; time-frequency analysis; VLSI designs; frequency-domain tabulated data; linear subnetworks; macromodeling high-speed modules; orthonormal basis functions; time-domain tabulated data; z-domain orthonormal vector fitting; Analytical models; Circuit simulation; Convergence; DH-HEMTs; Equations; Frequency; Signal design; Time domain analysis; Vectors; Very large scale integration;
Conference_Titel :
Signal Propagation on Interconnects, 2008. SPI 2008. 12th IEEE Workshop on
Conference_Location :
Avignon
Print_ISBN :
978-1-4244-2317-0
Electronic_ISBN :
978-1-4244-2318-7
DOI :
10.1109/SPI.2008.4558378
