Most of us are aware that the semiconductor light-emitting diode or the LED is the major component of today’s technology. All our houses have plenty of tiny glowing indicators provided by LEDs; these indicators are employed for various aspects like reading CD and DVD disks in computer and game console drives or to transmit signals […]
Capacitors are a great example to prove the fact that even the simplest of devices can become complex over the years; in case of capacitors, it is nothing more than an insulator between two conductors and it has become pretty complex in this 250 years of technical evolution!! Almost all of us are familiar with
Radio – Invention History The invention history of the radio is not only interesting but rather long as well. If you ask who invented the radio, probably you will get the name Marconi. But, was it really Marconi who invented the radio? Well, you have to determine for yourself after going through the journey of
Invention History of Microcontroller Would you believe that each one of you is using at least 20 microcontrollers in your house??!! Well, that’s a fact. There are more than two billion microcontrollers being produced every year. Almost everybody in developed as well as developing nations cannot think of a day without using microcontrollers. The microcontroller
As we all know, a Zener Diode is used for regulating voltage in practical circuit applications. Though we know about the importance of this device, do we really mind knowing about how it was invented? If you had that query in your mind, then reading further would give you a thorough knowledge on the discovery
What is a Schockley Diode? In simple terms, a Shockley diode is a four layered semiconductor diode. In electronic terms, it is a “P-N-P-N†diode and is equivalent to a thyristor with a disconnected gate. Though this basic diode does not find much application in electronic circuits nowadays, the concept is largely employed and is
Very Large Scale Integration (VLSI), is a very vast domain and is known to be the best and most sought after field among all branches in electronics. Our idea is to bring in the basic knowledge on VLSI to our readers and for those who are interested is pursuing this field for a career. As
THX Audio Concept While sitting in a theater or in front of a home theater system we all have wished to get the best seat to get the best view and the surround sound effect. In the case of a speaker or any audio system there exists a spot called the sweet spot, where the
Piccolo Piccolo can be said as the perfect companion for a graphic designer or an engineer as it helps him to sketch his creativity. Piccolo is a small pocket sized robot which uses servo mechanism for developing and deploying the accurate 2D or 3D output. Like all other robots, this one also works according to
Lytro Light Field Camera Since its invention, the technology behind a camera has developed a lot beyond imagination. Nowadays, the device has become so sleek in design that it is integrated with other gadgets like mobiles and computers. To take a good photo, a photographer needs to use a camera with good resolution and focus.
In this article, let’s learn about flip flop conversions, where one type of flip flop is converted to another type. For the conversion of one flip flop to another, a combinational circuit has to be designed first. If a JK Flip Flop is required, the inputs are given to the combinational circuit and the output
Special Contact Lens In the movie “The Terminatorâ€, we see Arnold Schwarzenegger check out the complete profile of the subject he is about to face. A similar technology has been developed by Babak Parviz, an electrical engineer at the University of Washington. Babak designed a lens that can be used to display a single pixel
Worlds Smallest Single Atom Transistor A group of researchers including Michelle Simmons and her colleagues developed a single phosphorus atom transistor using a Scanning Tunneling Microscope (STM) at the University of New South Wales. The 3-dimensional perspective of the device is shown in the figure above. Till date, this is known to be the smallest
Waterless Washing Machine – Laundry Orb New inventions have made strainful works always easier for people. Let us take an example of a washing machine. In early days, people used to wash their own clothes by hand and scrub all the dirt away using a brush and detergent. Later, the washing machine was invented, which
Let a movie be in 3-D or an ordinary 70mm projection. We have always loved it for the story, sound effects, visual effects, and many other factors. But latest technologies have improved the way in which graphics and other effects have been introduced in each frame. Out of them IMAX is the most popular. The
In power electronics chopper circuits, unidirectional power semiconductors are used. If these semiconductor devices are arranged appropriately, a chopper can work in any of the four quadrants. we can classify chopper circuits according to their working in any of these four quadrants  as type A, type B, type C, type D and type E. Let us
The Hollywood film industry went to a whole new level after 3-D movies like James Cameron’s “Avatar†to the latest “Underworld Awakeningâ€. The perspective of watching movies through a whole new dimension is believed to have brought movie fans closer to reality. But, people often complain about headaches and other eye problems after watching a
Out of many semiconductor controlled devices, MCT is considered to be the latest. The device is basically a thyristor with two MOSFET’s built into the gate structure. A MOSFET is used for turning ON the MCT and another one is used for turning it OFF. The device is mostly used for switching applications and has
Smallest Data Storage Device There will be a time when all the major technologies in the world will be in nanoscale. Recent developments have been undergone in daily used electronic gadgets like mobiles, computers, laptops and so on. As a part of this, a group of researchers from IBM and CFEL (Centre for free-electron Laser
laser cell construction Cyclops, a superhero from the famous comics “X men†has been the favorite of many people across the world. In the story, the character produces powerful laser beams by optical blast from his eyes. This fiction has become a reality by the joint efforts of Seok-Hyun Yun and Malte Gather, two physicists
3D Transistor A transistor is the fundamental building block of all electronic devices.  . A transistor can be defined as a device, which is used to amplify signals and power. Integrated circuits are used in making of chips inside electronic gadgets such as smart phones, laptops and so on. Researchers in Purdue and Harvard Universities
Smallest Electronic Circuit Technology has been evolving time to time, from complex wired circuits to Integrated circuits(IC). Nowadays almost all electronic gadgets like smart phones, computers, global positioning systems(GPS), tablets and so on use Integrated circuits as they are more compact and efficient. In this era of nanotechnology, scientists are scaling every possible technology to
Carbon Nanotube Coating Radar detection has always been the nightmare of military aircrafts. Once spotted in the radar zone, it is easy to destroy the aircraft in mid air by using anti-aircraft missiles. Defense personnel’s across the world are investing billions to develop better stealth equipped aircrafts that will easily escape from radar eyes.  The
Most of the electronic circuits used in Circuitstoday.com have different applications of the transformer. Therefore, it is important to know the working principle, construction and types of transformers used in different analog circuits. What is a transformer? A transformer can be defined as a static device which helps in the transformation of electric power in
da Vinci console Artificial satellites placed in orbits are used for a variety of purposes like communication, GPS, military applications, TV broadcasting, and so on. No matter how much time and money has been spent on building these hi-tech devices, satellites are basically just machines, and constant use can damage any machine. Every year NASA
