The region of operation in a FET where the drain current is independent of the drain voltage and only depends on the gate-to-source voltage is called the _______.
saturation region
The correct answer is the saturation region. In a Field Effect Transistor (FET), the saturation region is the operational mode where the drain current becomes independent of the drain-source voltage. Instead, it relies solely on the gate-to-source voltage. In this region, the FET operates as a constant current source, which is critical for applications like amplifiers where stable current is required.
Similar Questions
Field Effect transistor is:
Important Questions from Field Effect Transistors
Find the Transconductance $g_m$ for JFET at $\Delta V_{GS}$ = 1.25 V and $\Delta I_D$ =4.3 mA
- The vertical threshold sensitivity of HEMTs are dependent on :
(I) The metal semiconductor schottky barrier potential between Al and GaAs.
(II) The dielectric constant of AlGaAs.
(III) The donor concentration.
(IV) The thickness of AlGaAs layer
Choose the correct option from the list given below. In an FET, following characteristics are given :
1. JFET is called as variable current resistor.
2. JFET is called Voltage variable resistor.
3. \(g_{d}=g_{d0}\left(1-\dfrac{V_{GS}}{V_{P}}\right)\), where gd0 is value of drain to source conductance for zero bias.
4. \(g_{d}=g_{d0}\left(1+\dfrac{V_{GS}}{V_{P}}\right)^{2}\)Which one of the following is true ?
Transfer characteristics for n-channel FET as a function of temperature T is shown in the figure
Choose the correct answer from the options given below :
When gate to source voltage of a FET changes from –5.2 volt to –5 volts, the corresponding drain current changes from 1 mA to 1.3 mA, the transconductance is
