RRB JE CBT2 : EXPERT

23 Jun

MOSFET Operating Regions (Enhancement & Depletion Type, N-Channel & P-Channel) – Single Master Table

MOSFET Type	VGS Condition	VDS Condition	Region	Device Status	Drain Current (ID)
N-Channel Enhancement	VGS < VT	Any	Cut-Off	OFF	ID ≈ 0
N-Channel Enhancement	VGS = VT	Any	Threshold	Just Starts Conducting	Very Small
N-Channel Enhancement	VGS > VT	VDS < (VGS − VT)	Linear / Triode / Ohmic	ON	Variable
N-Channel Enhancement	VGS > VT	VDS ≥ (VGS − VT)	Saturation / Active	ON	Nearly Constant
P-Channel Enhancement	VGS > VT	Any	Cut-Off	OFF	ID ≈ 0
P-Channel Enhancement	VGS = VT	Any	Threshold	Just Starts Conducting	Very Small
P-Channel Enhancement	VGS < VT	\|VDS\| < \|VGS − VT\|	Linear / Triode / Ohmic	ON	Variable
P-Channel Enhancement	VGS < VT	\|VDS\| ≥ \|VGS − VT\|	Saturation / Active	ON	Nearly Constant
N-Channel Depletion	VGS = 0	Any	Normal ON State	ON	IDSS
N-Channel Depletion	VGS > 0	Any	Enhancement Mode	Strong ON	ID ↑
N-Channel Depletion	0 > VGS > VGS(off)	Any	Depletion Mode	Weak ON	ID ↓
N-Channel Depletion	VGS = VGS(off)	Any	Cut-Off	OFF	ID = 0
N-Channel Depletion	VGS > VGS(off)	VDS < (VGS − VT)	Linear / Triode	ON	Variable
N-Channel Depletion	VGS > VGS(off)	VDS ≥ (VGS − VT)	Saturation / Active	ON	Nearly Constant
P-Channel Depletion	VGS = 0	Any	Normal ON State	ON	IDSS
P-Channel Depletion	VGS < 0	Any	Enhancement Mode	Strong ON	ID ↑
P-Channel Depletion	0 < VGS < VGS(off)	Any	Depletion Mode	Weak ON	ID ↓
P-Channel Depletion	VGS = VGS(off)	Any	Cut-Off	OFF	ID = 0
P-Channel Depletion	VGS < VGS(off)	\|VDS\| < \|VGS − VT\|	Linear / Triode	ON	Variable
P-Channel Depletion	VGS < VGS(off)	\|VDS\| ≥ \|VGS − VT\|	Saturation / Active	ON	Nearly Consta

MOSFET Metal Oxide Semiconductor Field Effect Transistor Enhancement MOSFET Depletion MOSFET N-Channel MOSFET P-Channel MOSFET NMOS PMOS E-MOSFET D-MOSFET MOSFET Operating Regions Cut-Off Region Linear Region Triode Region Ohmic Region Saturation Region Active Region Threshold Voltage (VT) Gate-to-Source Voltage (VGS) Drain-to-Source Voltage (VDS) Drain Current (ID) Pinch-Off Condition Channel Formation Channel Depletion Channel Enhancement Normally ON Device Normally OFF Device Voltage Controlled Device Unipolar Device Majority Carrier Device Insulated Gate Device Semiconductor Devices Electronic Devices and Circuits Analog Electronics Digital Electronics Switching Applications Amplifier Applications Power Electronics Integrated Circuits VLSI CMOS Technology Field Effect Transistor (FET) Junction FET (JFET) Electronic Components Basic Electronics Electronic Engineering RRB JE Electronics SSC JE Electronics GATE Electronics ESE Electronics PSU Electronics ISRO Electronics DRDO Electronics BEL Electronics ECIL Electronics Competitive Electronics Notes Electronic Devices Notes Semiconductor Physics Electronics MCQ Electronics Interview Questions Electronics Revision Notes.

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