What is the difference between MOSFET and HEMT?

In this topics we will understand what is difference between MOSFET and HEMT? Defination and use of Mosfet Mosfet (metal-oxide semiconductor field-effect transistor, pronounced maws-feht) is a special type of field-effect…

What is pinch voltage?

When the gate voltage (-vgs) is made more negative, the channel width decreases until no more current flows between channels and the source is said to be pinched (similar to…

How does AC work? Does this mean the electrons swing back and forth along the wire at the frequency

The ac current does not flow in the same direction. electrons in the wire (and other components) simply move back and forth. You know a joke where everyone is lining…

How does the diode work?

When we talk about electrical and electronic circuits, we use the old convention, called the conventional current flow (from positive to negative). To get rid of any idea of ​​thinking…

Why zener diode is used?

Zener diodes are widely used as voltage references and as shunt controllers to adjust voltage across small circuits. When connected in parallel with a variable voltage source so it is…

What is the replacement scheme used in ac voltage regulator using TRIAC? How?

 replacement scheme used in ac voltage regulator using TRIAC. An ac voltage controller is used to vary the rms value of the alternating voltage applied to the load circuit by…

Relationship of Voltage, Current, and Resistance

Relationship of Voltage, Current, and Resistance All circuits are a combination of three electrical properties: voltage, current and Resistance. Voltage is defined as the force that causes free electrons to…

Effects of Current Flow

The current flow has four effects that are used in different ways: magnetism, heat, chemistry Action and physical shock. Magnetism When current flows in a conductor, it creates a magnetic…

How transistor can be used as a switch?

With a zero signal applied to the base of the transistor, it rotates “OFF” by acting as an open switch and zero collector current. The easiest way to change moderate…

How do NPN transistors work?

The standard bipolar or BJT transistor is presented in two basic forms. An NPN type (Negative-Positive-Negative) and a PNP type (Positive-Negative-Positive). The most commonly used transistor configuration is the NPN…

How can you tell if a transistor is NPN or PNP?

Using the method for publication of NPN from PNP. If you have a transistor but you do not know if it is NPN or PNP, then you can find out…

How do photodiode arrays work?

Working of photodiode How does photodiode work : A photodiode array (PDA) is a linear range of discrete photodiodes on an integrated circuit (IC). For spectroscopy it is placed at…

How does a photo diode work?

Let’s talk about Photodiode operation in circuits. The operating principle of a photodiode is when a large-energy photon strikes the diode, creating a pair of electrons. This mechanism is also…