Found 145 Articles for Gadgets

The FM receiver is the whole unit which takes the modulated signal as input and outputs the original audio signal. Radio amateurs are the initial radio receivers. They had got drawbacks such as poor sensitivity and selectivity.Selectivity is the selection of a particular signal while rejecting the others. Sensitivity is the capacity of detecting RF signal and demodulating it, while at the lowest power level. Both Selectivity and Sensitivity should be high for an FM receiver. To overcome these drawbacks of the ordinary receiver, the superheterodyne receiver was invented. This FM receiver consists of 5 main stages.RF Tuner SectionThe modulated ... Read More

To improve the radiation efficiency and directivity of the beam, the waveguide should be provided with an extended aperture so as to make the abrupt discontinuity of the wave into a gradual transformation, so that all the energy in the forward direction gets radiated. This can be termed as Flaring. Flaring is done to provide greater directivity and narrower beam width. The types of horn antennas depend on how they are flared.Sectoral HornThis type of horn antenna, flares out in only in one direction. Flaring in the direction of Electric vector produces the sectorial E-plane horn. As well, flaring in ... Read More

Sony Corporation is one of Japan's biggest multinational corporations, headquartered in Minato, Tokyo of Japan. It was founded by Akio Morita and Masaru Ibuka on 7th May 1946. It was during the wake of the World War-II. Sony’s first branded product was TR-55 Transistor radio that was launched in 1955, whereas Sony was made to be its official name since January 1958.It was Not-So-EasyEarlier, vacuum tubes were used, whereas, after the invention of transistors, the circuits became shorter and eventually the size of the equipment used got reduced. When TR-55 Transistor radio was launched which was made using a transistor, ... Read More

As Summer is soon approaching and temperatures are soaring high, it is common to start looking for a better Air conditioner that is amicably priced and suit your needs. As you are asking for the best brands between Rs.30, 000 to Rs.50, 000 in India, I suggest that it is always better to go for 5-Star BEE rating. The 5-Star rated electrical products consume less electricity, which means it's good for your pocket and for the environment as well.Here are some prominent brands with their special features.ProductRatingCapacityPower ConsumptionAdditional featuresCostVoltas 185 Cya5 Star1.5 ton1438 WAnti-Dust filterAnti-bacterial filterAuto-restart feature32k – 35kVoltas 185 ... Read More

OnePlus started in 2013 with its first phone OnePlus 1. It was founded by Pete Lau (CEO) and Carl Pei. It was a hit and the brand has become popular with the release of its next phone OnePlus 2. Later came the OnePlus 3 and 3T which shook the market with their 6 GB RAM.It has some unique and enhanced features due to which it has become an instant hit.CameraPicture Mode − Double camera innovation gives you a chance to concentrate regarding your matter, dynamically blurring the background for a delicate, yet a powerful effect.Keen Capture − Its insightful software ... Read More

In the present world, technology has got very advanced. Most of our daily tasks have been automated which has made us more reliable on electronic gadgets. Wireless Charging gives an advantageous, safe, and solid approach to charge and power a large number of electrical gadgets at home, in the work, and in industries.By removing the use of physical connectors and links, remote charging makes it efficient and brings cost and safety advantages over the conventional charging wire. From cell phones to hand-held mechanical gadgets and heavy duty gear applications, wireless power keeps them protected, constant and maintains the reliable exchange ... Read More

OnePlus started in 2013 with its first phone is OnePlus 1. It was founded by Pete Lau (CEO) and Carl Pei. It was a hit and the brand has become popular with the release of its next phone OnePlus 2. Later came the OnePlus 3 and 3T which shook the market with their 6 GB RAM.It has some unique and enhanced features due to which it has become an instant hit.DesignStyle Built to Last − The OnePlus 3T challenges present-day cell phones style with its all-metal form and strong Gunmetal shading. Carefully built utilizing a superior space-review aluminium compound, the ... Read More

The Design of iPhone 7 is slightly varying from its predecessors. Disposing of the 3.5-millimetre earphone jack has helped Apple make its new iPhone's sleeker and support its battery lifetime. iPhone 7 weighs marginally less than iPhone 6 around 198 grams.For the first time ever, the new home button is made touch sensitive and uses a new Taptic (combination of tap and haptic) engine for better response.CameraThe camera of iPhone 7 has been upgraded. iPhone 7 has a 12-megapixel sensor that is guaranteed to be 60% quicker.iPhone 7 likewise has a quad-LED flash with half light output and can distinguish ... Read More

In ancient times the food was preserved by conventional techniques like salting and pickling which were not helpful all the time. These days refrigerators are utilized to protect food for long periods by cooling it.This cooling procedure keeps bacteria away from attacking and ruining the food, which thus lessens food wastage. The refrigerator is one innovation that has positively changed the way we live. It has made it feasible for everybody to store or preserve food for long periods of time.A Refrigerator functions on 2 basic principles:As a fluid dissipates, it absorbs the warmth from the surrounding ranges.The inverse happens ... Read More

The arrangement of keys in a typing keypad that we have today is nearly a century and half old. Initially, in the olden days the typewriter machines did have the keys arranged alphabetically but because the machines were too slow in comparison to the speed at which users learned to master them, it presented a different problem.Swift UsersThe users turned out to be way faster than the machines and this resulted in the mechanical character arms getting jumbled up all over. Therefore, the makers of typewriters in response to customer experience and feedback designed a completely new keyboard where the ... Read More