NDLI: A Novel Method for Calculating the Noise Figure of Microwave MESFET Mixers

Content Provider	IEEE Xplore Digital Library
Author	Dreifuss, J. Madjar, A. Bar-Lev, A.
Copyright Year	1987
Description	Author affiliation: Department of Electrical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel (Bar-Lev, A.) \|\| Government of Israel, P.O. Box 2250(85), Haifa, Israel (Dreifuss, J.; Madjar, A.)
Abstract	A new computer analysis method is presented by which the noise contributions of the various noise sources within a MESFET mixer can be determined and its overall single side-band and double sideband noise figure and noise temperature calculated. The method utilizes a frequency conversion matrix of a MESFET mixer which was described previously. The simulation program was run for a mixer circuit based on NEC720 transistor and the results for the noise sources and noise figure behaviour as functions of the LO power are presented and compared to measured values. An optimal operating point, from the standpoint of minimum noise figure, can thus be determined for transistor biasing conditions and the LO input power.
Starting Page	466
Ending Page	471
File Size	5534365
Page Count	6
File Format	PDF
DOI	10.1109/EUMA.1987.333779
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1987-09-07
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise figure Microwave theory and techniques MESFETs Mixers Circuit noise Temperature Frequency conversion Circuit simulation Power measurement Noise measurement
Content Type	Text
Resource Type	Article

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