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QUESTION
A GaAS FET has the following scattering parameters at 6 GHZ ( ZO = 50 52 ): $1 1 = 0. 9 lt; - 60%, $12 =\ 0 . 2 lt; 1 20 0 , $21 = 3.0 lt; 60% ,...
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A GaAS FET has the following scattering parameters at 6 GHZ ( ZO = 50 52 ): $1 1 = 0. 9 < - 60%, $12 =\0 . 2 < 1 20 0 , $21 = 3.0 < 60% , $2.2 = 0. 7 < - 60%.( a ) Determine the stability and plot the stability circles .( b) Set [ in = 1 1 - 60 and [out = 1 1 - 66 , determine the transducer power gain GT of the amplifier .