An approach to distributed amplifier based on a design-oriented FET model

A Design-Oriented FET model in conjunction with an appropriate design procedure for distributed amplifiers is presented. The advantage of including the effects caused by FET parasitics in a newly defined simple unilateral FET circuit to be utilized in the conventional distributed amplifier design pr...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1995-02, Vol.43 (2), p.272-277
Main Authors: Paoloni, C., D'Agostino, S.
Format: Article
Language:English
Subjects:
Applied sciences
Broadband amplifiers
Circuit analysis
Circuit topology
Cutoff frequency
Design methodology
Distributed amplifiers
Distributed parameter circuits
Electronics
Exact sciences and technology
FET circuits
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Transistors
Transmission line theory
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Summary:A Design-Oriented FET model in conjunction with an appropriate design procedure for distributed amplifiers is presented. The advantage of including the effects caused by FET parasitics in a newly defined simple unilateral FET circuit to be utilized in the conventional distributed amplifier design procedure allows an accurate prediction of the low-frequency gain and the 3-dB cutoff frequency. The simplicity of this formulation and a set of generalized design charts provide an interesting opportunity to designers. Comparisons among different experimental data from literature and the results obtained by this theory confirm the validity of the Design-Oriented FET model and the effectiveness of the given graphical design method.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.348084