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Need of programmable logic controller (PLC) in automation

PLC is  used in the fully automated industries or plants or process, the actual processes handled and controlled by the controllers which are nothing but the programming logic controllers that means PLC plays a very important role

How miller sweep circuit is work?

The miller circuit is also known as by the name of miller integrator. Above figure shows the circuit of the miller sweep circuit or miller integrator. The transistor Q1 act as a switch and transistor Q2­ is

Advantages and disadvantages of digital voltmeter over analog voltmeter

There are some advantages of digital voltmeter are given below, It can be programmed. So controlling by computer is achieved. Digital voltmeter has automatic range selection. A digital voltmeter gives good stability. It provides better resolution. For

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 wavelengths of the laser light are in

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 cost. It operates in positive or negative

Applications of electronics

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. The electronics is used in instrumentation applications

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 many of those involved in critical infrastructure. PLC

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 and falls off sharply on either side

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 discrete steps and only has finite number

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 super heterodyne receiver. It is used as