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What Is An MCB?

A miniature circuit breaker (MCB) is an Electrical Switch which automatically switches off the electrical circuit during an abnormal condition of the network means in overload condition as well as faulty...
humidity sensor

Humidity Sensor: Basics, Usage, Parameters and Applications

Sometimes, after rains, the air feels moist. The water seems to have suspended in the air. However, in certain AC’s you click some buttons and the atmosphere brightens up. How and...

Microcontroller vs Microprocessor

Selecting the right device on which to base your new design can be daunting. The need to make the right balance of price, performance and power consumption has many implications. First, there...
inverting & non-inverting amplifier

Inverting & Non-Inverting Amplifier Basics

An “ideal” or perfect operational amplifier is a device with certain special characteristics such as infinite open-loop gain, infinite input resistance, zero output resistance, infinite bandwidth and zero offset. Operational amplifiers...

SMPS: Basics & Working of Switched Mode Power Supply

Switch mode power supplies (SMPSs) are used in a range of applications as an efficient and effective source of power. This is in major part of their efficiency. For anybody still...
Operational Amplifier

Op-Amp Basics: What Is An Operational Amplifier?

An operational amplifier or op-amp is simply a linear Integrated Circuit (IC) having multiple-terminals. The op-amp can be considered to be a voltage amplifying device that is designed to be used...

IR LED | Infrared LED | Infrared Sensor

An Infrared light-emitting diode (IR LED) is a special purpose LED emitting infrared rays ranging from 700 nm to 1 mm wavelength. Different IR LEDs may produce infrared light of differing wavelengths, just...

Tutorial: Antenna Gain and Directivity

RF antennas or aerials do not radiate equally in all directions. It is found that any realisable RF antenna design will radiate more in some directions than others. The actual pattern...
GSM Module

All You Wanted to Know About GSM Module and GPRS Module

Before we get into what a GSM module is, let us get our fundamentals right and understand what GSM and GPRS are. A GSM module or a GPRS module is a chip or...
mobile communication

Mobile Communication: From 1G to 4G

Mobile communications technology has come a long way since the initial analogue phones. Read this article to understand the evolution from 1G to 4G with technologies behind this phenomenal growth and...

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