Optocoupler: An optocoupler is essentially a phototransistor and an LED combined in one package Operation When current flows in LED … More
Tag: Transistors
Structure operation and Characteristics of DIAC
DIAC Diode for alternating current Bidirectional When avalanche breakdown voltage is achieved ◦DIAC goes from ON to OFF if operating … More
SCR (silicon controlled rectifier)
Thyristor A thyristor is a solid-state semiconductor device with four layers of alternating N and P-type material. Silicon controlled Rectifier(SCR) … More
Structure Operation & characteristics of n-channel enhancement MOSFET
MOSFET is metal-oxide semiconductor Field Effect Transistor. Unipolar device MOSFET has majority carriers but no minority carriers. This is … More
FET as Variable Resistor
Voltage-Controlled Resistance When a JFET operates in the ohmic region, it usually has VGS 5 0 to ensure hard saturation. … More
UJT (Unijunction Transistor)
UJT The Uni-Junction Transistor is a three-terminal single-junction device. The switching voltage of the UJT can be easily varied. The … More
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