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Optimization of the performances of MESFET based microwave amplifiers using Plackett-Burman design of experiment

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4 Author(s)
Poire, P. ; Dept. of Electr. & Comput. Eng., Ecole Polytech. de Montreal, Que., Canada ; Simard, H. ; Ghannouchi, F.M. ; Brassard, G.

This paper presents a method for the efficient determination of the optimum operation conditions for MESFET based microwave amplifiers. It has been found that the regression analysis performed on data gathered according to Plackett-Burman designs of experiment (DOE) lead to the determination of the optimal operating conditions of the device. Experimental data have validated the proposed strategy, which also contributed to reducing the total duration of the experimentation. After 4 iterations of the process, we found the optimal operation for either power output, transducer gain or drain efficiency. No equivalent circuit model was needed for this analysis and the method was proved efficient even if the transistor has been operated in a strongly nonlinear mode

Published in:

Instrumentation and Measurement Technology Conference, 1997. IMTC/97. Proceedings. Sensing, Processing, Networking., IEEE  (Volume:1 )

Date of Conference:

19-21 May 1997