electronics

8,000 tonnes of cellphone waste threating earth!!!!

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2 years ago
by deepu in
Sporting a new mobile phone may be fashionable in these well-connected times, but the discarded old handsets could poison the environment, as a whopping 8,000 tonnes of cellphone waste is estimated to burden the earth by 2012. As per a whitepaper by global consultancy Deloitte, there is a growing [...]

superior picture quality

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2 years ago
by deepu in ,
Recently, at the annual Summer Line Show of LG Electronics, the company unveiled its latest LCD (SL80 series) and LED (SL90 series) HDTVs. Both the HDTVs feature a single edge-to-edge glass panel over an ultra-slim bezel, creating a sophisticated look that turns heads, no matter if the TV is on or [...]

Knowledge of some advance transmission

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2 years ago
by deepu in
Start with the signaling system, the telecommunication system can be generalized model consisting of an information source, modulation system for coder, decoder for demodulation system, destination and of course transmission system or channel as the central feature. A telecommunication should learn [...]

efficiency of class A amplifier operation

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2 years ago
by deepu in
The power amplifiers is said to be class A amplifier if the Q point and the input signal are selected such that the output signal is obtained for a full input cycle. For this, postion of the Q point is approximately at the midpoint of the load line. For all values of input signal, the transistor [...]

Desktop Speakers

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2 years ago
by deepu in ,
Desktop Speakers are the small systems that connect to a laptop or PC. They come in variations from two channels and go up to 5.1 channels. Laptops come with on board speakers but they are good only for low decibel sound. To enjoy greater acoustics, users can go for external two channel speakers [...]

Type on your Wireless Keyboard

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2 years ago
by deepu in
Your couch may be comfortable, but it is not easy for you to sit back, relax and type on your wireless keyboard. The keys are not at the right angle and there is no flat surface for a mouse. So phantom keyboard is built with a twirling, tilting mechanism for positioning it just right. This lapboard [...]

“TELECOM” a minefield of opportunities for wannabees

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2 years ago
by deepu in
In this recession all the industries in India got down and faces some extraordinary loss. But the only industry which has continuous growth, do you know the answer? Yes its “electronics” industry. First we see about the factors for its steady rise, first, aggressive marketing, then falling tariff, [...]

Solar Panels for Residential Roof

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2 years ago
by deepu in
Solar panels is introduced before long years but still it is not familiar with the people around the world. The major problem solar panels is their cost. It is very expensive, it comes around $30,000 for residential roofs. Now Veranda solar has created a starter solar system that expands your [...]

Construction of Digital Respiration Rate Meter

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2 years ago
by deepu in ,
An actual size, single side PCB for the respiration rate meter. The interface assembly simply make use of a nose mask, which is readily available in medical shops and mainly used in hospitals for supply for oxygen to the patients for respiration. Take a 36cm long transparent glass tube with inner [...]

Batteries that charge within seconds

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2 years ago
by deepu in ,
Lithium ion batteries are the most common rechargeable batteries found in consumer electronics products. However these take a long time to charge. A new manufacturing method has been discovered that could lead to smaller, lighter lithium ion batteries can be charges in just seconds. The approach [...]
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