Question
Download Solution PDFAn MOS capacitor with P substrate is in accumulation mode. The dominant change in the channel is due to the presence of ______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAccumlation mode:- A MOS capacitor with p-type substrate operate in Accumlation mode when gate voltage is –ve.
⇒ -ve charge of SiO2 will attract holes from p-type substrate These holes accumlate below SiO2 torming a thin accumlation layer
Important point:
(i) deplection mode:- when VG = +ve and small.
(ii) Inversion mode:- when Ve G = +vlarge.
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