Signal and noise analysis in sliced model of a FET mixer

Author

Moradi, G. ; Abdipour, A. ; Ghorbani, A. ; Farzaneh, F.

Author_Institution

Dept. of Electr. Eng., Amirkabir Univ. of Technol., Tehran, Iran

fYear

2000

fDate

2000

Firstpage

5

Lastpage

8

Abstract

This paper presents a nonlinear signal and noise analysis of a wide gate FET mixer. The study is performed using nonlinear sliced modeling. The FET is taken into account as a distributed element and divided into several smaller pieces so that in each slice a lumped model can be applied. Calculation of passive and active elements of each slice is performed using a proper scaling approach. For noise analysis, appropriate noise sources are added to the distributed circuit. The wide gate FETs have been suggested for high power, wideband and high gain devices such as the travelling wave amplifier. The nonlinear application is suggested for a novel device named a travelling wave mixer

Keywords

circuit noise; equivalent circuits; microwave field effect transistors; microwave mixers; nonlinear network analysis; semiconductor device models; semiconductor device noise; FET mixer; FET sliced model; active elements; distributed circuit; distributed element; lumped mode; noise analysis; noise sources; nonlinear analysis; nonlinear sliced modeling; passive elements; signal analysis; travelling wave mixer; wide gate FET; Active noise reduction; Broadband amplifiers; Circuit noise; High power amplifiers; Microwave FETs; Microwave devices; Noise figure; Signal analysis; Transmission line matrix methods; Transmission lines;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave and Millimeter Wave Technology, 2000, 2nd International Conference on. ICMMT 2000

Conference_Location

Beijing

Print_ISBN

0-7803-5743-4

Type

conf

DOI

10.1109/ICMMT.2000.895605

Filename

895605