Half adder
Half adder circuit. To understand what is a half adder you need to know what is an adder first. Adder circuit is a combinational digital circuit that is used for adding two numbers. A typical adder circuit produces a sum bit (denoted by S) and a carry bit (denoted by C) as the output. Typically adders are realized for adding binary numbers but they can be also realized for adding other formats like BCD (binary coded decimal, XS-3 etc. Besides addition, adder circuits can be used for a lot of other applications in digital electronics like address decoding, table index…
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FM Transmitter Circuits-The BIG List
Over years we have developed a number of FM transmitter circuits with various aspects. Today I thought of listing all of them here as a single web page, so any one can easily navigate through all the radio transmitter circuits and its schematic diagrams. Simple Two Stage FM Transmitter – This is one of the most simple FM transmitter circuit you can try out on your breadboard. It has two stages served by two transistors Q1 and Q2. The first stage is the preamplifier stage where audio input signal is amplified before modulation. This stage is served by Q1 (BC108)….
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7 segment display driver
7 segment display. Seven segment display is a device that can display decimal numbers and are widely used in electronic clocks, electronic meters, digital display panels and a hand full of applications where numerical data is is displayed. The idea of seven segment display is very old and they are in the scenario from early nineteenth century. Seven segment display have seven segments which can be individually controlled (ON/OFF) to display the desired number. Numbers from 0 to 9 can be displayed using various combinations of the segments and in addition to this the hexadecimal letters A to F can…
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Types of DC Generators
“Energy can be converted from one form to other form” – A generator does the same – it converts mechanical energy to electrical energy. Mechanical energy can be created by using water turbines, steam turbines, internal combustion engines etc. And a generator converts this mechanical energy to electrical energy. Generators can be broadly classified as AC generators and DC generators. Here lets take a look the the types of DC generators. DC generators are classified based on their method of excitation. So on this basis there are two types of DC generators:- 1. Separately excited DC generator 2. Self excited…
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THX Audio Engine – The Best Speaker Concept!!
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 effect of surround sound is at its best. We can feel a slight change in its features even if we are sitting a little away from the spot. Most f the technologies available today have been able to produce only one sweet spot to get…
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The History of Electronics-Infographics
Hey guys, Ever thought how the world as we see it now evolved? How came great inventions and discoveries? What were the reasons behind all these great inventions like Diodes, Transistors, IC”s and Micro computers? Here we have developed an Infographics (representing information with the help of graphics) which shows the “History of Electronics”. Note: To view the image in full size – Click on the image or Right click on the image and press “Open Link in New Tab”. Note 2: You can freely distribute this image anywhere in other websites/blogs/forums!
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Ripple carry adder
Ripple carry adder circuit. Multiple full adder circuits can be cascaded in parallel to add an N-bit number. For an N- bit parallel adder, there must be N number of full adder circuits. A ripple carry adder is a logic circuit in which the carry-out of each full adder is the carry in of the succeeding next most significant full adder. It is called a ripple carry adder because each carry bit gets rippled into the next stage. In a ripple carry adder the sum and carry out bits of any half adder stage is not valid until the carry in of…
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Cascode amplifier
Cascode amplifier is a two stage circuit consisting of a transconductance amplifier followed by a buffer amplifier. The word “cascode” was originated from the phrase “cascade to cathode”. This circuit have a lot of advantages over the single stage amplifier like, better input output isolation, better gain, improved bandwidth, higher input impedance, higher output impedance, better stability, higher slew rate etc. The reason behind the increase in bandwidth is the reduction of Miller effect. Cascode amplifier is generally constructed using FET ( field effect transistor) or BJT ( bipolar junction transistor). One stage will be usually wired in common source/common emitter mode and the…
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Piccolo – The ‘Sketching’ Robot
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 CNC technology. CNC is the acronym of Computer Numerical Control. Here the computer converts the design produced by the computer aided design software (CAD) into numbers. These numbers denote different coordinates – that is X, Y and Z in a graph. This technology is employed…
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Lytro Light Field Camera – The Next Generation Camera is Here
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. What if the camera had a technique by which the focus could be provided after the photo was taken? This would give the photographer enough time to sort out the correct focus required for the picture taken. This technique has been introduced in the “lytro…
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