The surface potential changes significantly with gate voltage once the threshold voltage is reached.( )
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The inversion layer charge in the MOS capacitor will not respond to a differential change in capacitor voltage under the high-frequency condition.( )
There is an electron inversion layer already exists with zero gate voltage in the depletion mode MOSFET.( )
Three operating conditions in the MOS capacitor: ______ , ______ , ______ .
The advantages of the GaAs MESFET include ( ).
A. higher electron mobility,
B. smaller transit time and faster response;
C. decreased parasitic capacitance
D. a simplified fabrication process