The relative permittivity of sio2 is ϵ ox =3. 9. calculate the threshold voltage, vt, which is defined as the gate voltage at the threshold of strong inversion.

Respuesta :

The threshold voltage is 7.18×〖10〗^(-1) V

What is a threshold voltage ?

  • The threshold voltage (V th), which is the gate voltage at which the MOSFET begins to switch on, is one of the most significant physical characteristics of the device.
  • To accurately forecast the correct circuit behavior from a circuit simulator, the threshold voltage must be accurately modeled.
  • The permittivity of a material represented as a ratio with the electric permittivity of a vacuum is known as the relative permittivity (in earlier texts, dielectric constant).
  • A dielectric is an insulating substance, and an insulator's dielectric constant gauges how well it can store electric energy in an electrical field.

V_T= ∅_FB+2kT/∈  ln⁡[Na/Ni]+∈_ox/t_ox  √(4∈_(s ) Na kT ln⁡[Na/Ni] )  

Putting optimum standard values we get, threshold voltage as 7.18×〖10〗^(-1) V

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