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Difference between BJT and FET in tabular form

Difference between bjt and fet                            BJT                                  FET 1:BJT (bipolar junction transistor ) is the bipolar device. 1:FET (field effect transistor) is a uni junction transistor. 2:Its operation depends on both majority ...

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Photodiode applications with working and uses

What is Photodiode? The photo diode is the device which operates in reverse bias.The photo diode has small transparent window that allows light to strike the pn junction. Photodiode working We know that when reverse biased ,the rectifier diode has a very small leakage of current.The same is true for photodiode.The reverse biased current is produced by thermally generated electron ...

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Logic gates:AND,OR,NOT,NAND,NOR with truth table and applications

What are universal logic gates? Digital systems A digital systems deals with quantities or variable which have only two discrete values or states. The examples of such quantities are: A switch can be either open or close. A certain statement can be either true or false. The answer of a question can be either yes or no. A bulb can ...

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Difference between astable monostable and bistable multivibrator

what is multivibrator? The name mutivibrator designates a group of the circuits widely applied for switching as shift registers or temporary memories and as square were timing oscillator or clocks. These circuits are basically closed loop feedback circuits operating with the feedback. Types of multivibrators There are three general types of multivibrators, which are: The astable or free running mutivibrator ...

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Difference between forward and reverse biasing of semiconductor diode?

Forward Biasing definition The bias a diode,you apply a dc voltage across it. Forward bias is the condition that allows current through the pn  junction. A dc voltage source connected by conductive material (contacts and wire) across a diode in the direction to produce forward bias. This external bias voltage is designed as V BIAS. The resistor limits the forward current to a ...

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what is the difference between p type and n type semiconductors?

Difference between n type and p type semiconductors? Depending on the type of doping material used ,extrinsic semiconductors can be further subdivided into two classes: N- type semiconductors P-type semiconductors N-type semiconductors: This type of semiconductor is obtained when a pentavalent material like antimony (Sb) is added to pure germanium crystal.fig Each antimony atom forms covalent bonds with the surrounding ...

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Difference between conductors and insulators with examples

Conductors A conductor is a material that easily conducts electrical current.Most metals are good conductors.The best conductors are single element materials,such as copper(Cu),silver(Ag),gold(Au),which are characterized by atoms with only one valence electron very loosely bound to the atom.These loosely bound valence electrons become free electrons.Therefore,in a conductive material the free electrons are valence electrons. In terms of energy bands ,it ...

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what is difference between impedence and reactance?

Circuits with capacitors and inductors are more complicated than the resistive circuits we talked about earlier ,in that their behavior depends on frequency:A “voltage divider ” containing a capacitor or inductor will have a frequency dependent division ratio.In addition ,circuits containing these components (known collectively as reactive components),”corrupt” input waveforms such as square waves,as we just saw. However,both capacitors and ...

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Operational Amplifier (op-amp):types ,applications,modes & parameters

What is  Operational Amplifiers: Early operational amplifiers (op-amps) were used primarily to perform mathematical operations such as addition, subtraction, integration, and differentiation—thus the term operational. These early devices were constructed with vacuum tubes and worked with high voltages. Today’s op-amps are linear integrated circuits (IC s) that  use relatively low dc supply voltages and are reliable and inexpensive. The standard operational amplifier (op-amp) symbol ...

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Mosfet:types ,n & p channel mosfet switch

What is Mosfet? The Mosfet (metal oxide semiconductor field-effect transistor) is another category of field-effect transistor. The MOSFET, different from the JFET, has no pn junction structure ; instead, the gate of the MOSFET is insulated from the channel by a silicon dioxide (SiO2) layer. The two basic types of MOSFETs are enhancement (E) and depletion (D). Of the two types, the enhancement MOSFET is more ...

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