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SEMICONDUCTOR DEVICES (JFET (Type of JFET (N-channel, P-channel),…
SEMICONDUCTOR DEVICES
What is diode?
Diode is a semiconductor device that has two terminal (cathode and anode) that allow the current to flow in one direction
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Applications
- L.E.D
- Rectifier
- Transistor
- BIPOLAR JUNCTION TRANSISTOR
A semiconductor device constructed with 3 dope semiconductor regions (base, collector, emitter) separated by two p-n junctions.
D.C analysis of transistor
ACTIVE REGION OPERATION OF TRANSISTOR
-BASIC OPERATION
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—Junction Field Effect Transistor (JFET)
—three terminal semiconductor device
—conducted by one type of carrier(electron@holes)
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Theory of operation
Symbol of JFET
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DEFINITION:
MOSFET is a metal oxide semiconductor field effect transistor is type of field effect transistor, most commonly fabricated by controlled oxidation of silicon.
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- Voltage control device (input voltage control the output current)
- Use to control effective cross sectional area of the channel through which current conduct
- Operate with gate-source pn junction in reverse bias
- Reverse bias has high input impedance
- In JFET gate current is 0