PHOTODIODE Photodiode is a reverse biased pn junction whose operation depends on the intensity of light falling on it. STRUCTURE … More
Category: Life Experience
Types of Bonding in Solids
TYPES OF CHEMICAL BONDING Ionic Bonding – two atoms of opposite charge electrically attracted to one another … More
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 and characteristics of PN junction diode
excess of electrons (N-type). It is a non-linear device. Structure In a p-type material, the hole is the majority carrier … 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
FET is the preferred device for most switching applications. Why?
Because there are no minority carriers in an FET. As a result, it can switch off faster since no stored … More
Zener as Regulator
Zener Regulator A zener diode is sometimes called a voltage-regulator diode because it maintains a constant output voltage even though … More
Air Theremin
Theremin is a musical instrument which can be played without physical contact. it was developed in 1928 by a physicists … More
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