Polytechnic Hub - Page 65 of 92 - for Electronics, Electrical, Mechanical, Automobile & Textiles

Properties of laser light

Coherence Laser light is highly coherent. All emitted photons have constant phase relationship i.e they are in same phase. The light from a laser is said to be coherent, which means the…

Technical Editor April 21, 2017

Electronics Articles

Features of integrated circuit 723 (IC 723) regulators

The important features of IC 723 regulators are as given below, The important features of IC 723 regulators are as given below, It has small in size and lower in…

Technical Editor April 21, 2017

Electronics Articles

There are some applications of electronics are given below, The electronics is used in communication and entertainment applications such as telephony and telegraphy, optical communication, wireless communication, television communication etc.…

Technical Editor April 20, 2017

Electronics Articles

What is programmable logic controller (PLC)?

PLC stands for programmable logic controller, which is modular solid state computer with custom programming. The PLC is used in industrial control systems for machinery in a wide range of industries, including…

Technical Editor April 20, 2017

Electronics Articles

What is a tuned amplifier?

When an amplifier uses a tuned circuit or resonant circuit as its load impedance is known as tuned amplifier. A parallel tuned circuit has at its resonant frequency, high impedance…

Technical Editor April 20, 2017

Electronics Articles

Difference between analog instruments and digital instruments

Analog instrument Digital instrument The instrument which gives output that varies continuously as quantity to be measured is known as analog instrument. The instrument which gives output that varies in…

Technical Editor April 20, 2017

Electronics Articles

Applications of tuned amplifier

There are some applications of tuned amplifiers are given below, The tuned amplifier is used in UHF radio relay systems. It is used as intermediate frequency (IF) amplifier in a…

Technical Editor April 20, 2017

Electronics Articles

Application of programmable logic controller (PLC)

There are some applications of programmable logic controller (PLC). It is used in civil applications such as washing machine, elevators working and traffic signals control. It is used in aerospace for Water tank…

Technical Editor April 20, 2017

Electronics Articles

Advantages and disadvantages of programmable logic controller (PLC)

There are some advantages of programmable logic controller (PLC) are given below, It has very faster scan time. It has capable to communication with computer in plant. It has great…

Technical Editor April 20, 2017

Electronics Articles

Block diagram of transistor series voltage regulator

The block diagram of transistor series voltage regulator is shown in above figure. In the transistor series voltage regulator the control element is connected in series with the load, due…

Technical Editor April 19, 2017