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SEMI-CONDUCTORS - Coggle Diagram
SEMI-CONDUCTORS
INTRINSIC SEMI-CONDUCTOR
No impurity
DOPING
Addition of an impurity to intrinsic semi-conductor.
EXTRINSIC SEMI-CONDUCTOR
It has been doped. (artificially manufactured)
TRIVALENT IMPURITY
P type semi-conductor
MAJORITY CHARGE CARRIERS:
HOLES
DIODE
Unidirectional. one way switch
BIASING
The process to make diode conducting.
FORWARD BIAISNG
REVERSE BIASING
DIFFERENT POLARITIES
SAME POLARITIES
RECTIFIER
Special type of diode that converts AC into DC.
RECTIFICATION
The conversion of an alternating current to a direct current
HALF WAVE RECTIFICATION
FULL WAVE RECTIFICATION
LIGHT EMITTING DIODE (LED)
Forward biased
PHOTODIODE
Reverse biased
Converts light energy into electrical energy
PENTAVALENT IMPURITY
N type semi-conductor
MAJORITY CHARGE CARRIERS:
ELECTRONS
TRANSISTORS
3 Terminal semi-conductor
Made by sandwiching two semi-conductors Composed of 3 regions
EMITTOR
BASE
COLLECTOR
NPN Transistor
PNP Transistor
