ALPS-A new fast frequency-sweep procedure for microwave devices

Author

Sun, Din-Kow ; Cendes, Zoltan ; Lee, Jin-Fa

Author_Institution

Ansoft Corp., Pittsburgh, PA, USA

Volume

49

Issue

2

fYear

2001

fDate

2/1/2001 12:00:00 AM

Firstpage

398

Lastpage

402

Abstract

The discretization of Maxwell equations results in a polynomial matrix equation in frequency. In this paper, we present a robust and efficient algorithm for solving the polynomial matrix equation. To solve this equation for a broad bandwidth, one previously performs a discrete frequency sweep where the resulting matrix needs to be inverted at numerous frequencies, while current procedure requires only one matrix inversion. Speed improvements compared to the discrete sweep range from 10 to 100 times, depending on number of resonance peaks encountered

Keywords

Maxwell equations; electromagnetic wave scattering; matrix inversion; microstrip components; microwave devices; polynomial matrices; ALPS; Maxwell equations; adaptive Lanczos-Pade sweep; broad bandwidth; discretization; fast frequency-sweep procedure; matrix inversion; microwave devices; polynomial matrix equation; Frequency; MMICs; Maxwell equations; Microwave devices; Microwave oscillators; Phase noise; Polynomials; Stability; Transmission line matrix methods; Transmission line theory;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.903107

Filename

903107