Coupled-wave small-signal transient analysis of GaAs distributed amplifier

Coupled-wave small-signal transient analysis of GaAs distributed amplifier

The analysis takes into consideration the effect of c/sub dg/ in the active device, leading to a coupled-mode formulation. Dispersions within the transmission lines and the presence of two normal modes make it impractical to obtain broadband matching. Numerical results for specific terminations and...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1990-01, Vol.38 (1), p.23-29, Article 23
Hauptverfasser: Han, K., Wong, T.T.Y.
Format: Artikel
Sprache:eng
Schlagworte:
Amplifiers
Applied sciences
Circuit properties
Coupled mode analysis
Couplings
Distributed amplifiers
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Equations
Exact sciences and technology
Frequency domain analysis
Gallium arsenide
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Pulse amplifiers
Time domain analysis
Transient analysis
Transmission line theory
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Zusammenfassung:The analysis takes into consideration the effect of c/sub dg/ in the active device, leading to a coupled-mode formulation. Dispersions within the transmission lines and the presence of two normal modes make it impractical to obtain broadband matching. Numerical results for specific terminations and various degrees of passive and active coupling clearly indicate the influence of c/sub dg/ and the necessity for coupled-mode analysis. The numerical scheme, which is based on Bromwich integration, can be incorporated into CAD routines for time-domain response optimization.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.44152