CA3140

The CA3140 are integrated circuit operational amplifiers that combine the advantages of  high voltage PMOS transistors with high voltage bipolar transistors on a single                                     monolithic  chip.   The   CA3140 BiMOS operational amplifier feature gate protected                                                                                               MOSFET (PMOS) transistors in the    input circuit to provide very high input impedance, very  low input current, and high speed performance. The  CA3140 operate at supply voltage from 4V to 36V(either single or dual supply). These operational amplifiers are internally phase compensated to achieve stable operation in unity gain follower operation, and additionally, have access terminal for a supplementary external capacitor if additional frequency roll-off is desired. Terminals are also provided for use in applications requiring input offset voltage nulling. The use of PMOS field effect transistors in the input

Stage results in common mode input voltage capability down to 0.5V below the negative supply terminal, an important attribute for single supply applications. The output stage

Uses bipolar transistors and includes built-in protection against damage from load terminal short circuiting to either supply rail or to ground.

WEALTH

One common mistake that many people make  have made is this :they have thought that it would be very good thing if everybody had exactly same amount of money ,no matter they worked hard or lived quiet ideally. They forget that very few people would work at all if it were not for the money they work brings then, and that without work there would be no money. And they have imagined that if all the money in the country were equally divided everybody would be rich. Now that is very great mistake because there simply is not enough money to make everybody rich. If it were shared equally all around then would, on the basis of calculation made in 1935 receive only Rs 65 a year. Today with rise in the price level it might be rs150 a year. That may be than you receive now or may be less, but would certainly not make u really rich. It is quiet true that there are in this\s country small no of very rich people, but there are so few in comparison with whole population that even they were to share out all their wealth among the rest it would make very little difference. It is said that if u flatten out the great French mountain blanch ,the highest level of the land.

TRANSISTOR

            A transistor is a semiconductor device commonly used to amplify or switch electronic signals. A transistor is made of a solid piece of a semiconductor material, with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current flowing through another pair of terminals. Because the controlled (output) power can be much more than the controlling (input) power, the transistor provides amplification of a signal. Some transistors are packaged individually but most are found in integrated circuits .There are two types of transistors namely bipolar junction transistor (BJT) and field effect transistor (FJT). Bipolar transistors are so named because their operation involves both electrons and holes. Charge flow in a BJT is due to bidirectional diffusion of charge carriers across a junction between two regions of different charge concentrations.FJT are unipolar transistors in which only one carrier type is involved in charge flow due to drift. Transistor are very useful in circuit diagrams.

       

INTERNET

The Internet is like a network of networks where any computer can link up to information stored within it. It is accessed by a telecommunications line and a modulator-demodulator (MODEM). It is brought to your computer screen by converting analogue telephone signals into digital computer signals. There are many advantages and disadvantages on the Internet. The main advantage of the Internet is that communication is made very easy. Two people on opposite sides of the world may communicate with each other via such things as videoconferences. This would save money on flights to other countries just to have a meeting when they can each communicate from their own office. The Internet is a very good place to advertise companies. Businesses can build their own websites and buy their own memorable .com domains. This can be where they explain their company and the services they offer. Some can even offer home delivery directly from the Internet with things such as home shopping. This makes life very easy for disabled people or people with busy lives who have no time to go shopping. Other services the Internet has to offer are things such as Banking, online shopping, online business, online learning, etc.

COMPUTER

With the 21st century rolling right along the technology world is becoming highly advanced every year. Computers are useful in every sectors of life. These are used in education, business, economy, engineering, games, entertainment and many more. There are three basic functions that computers will do to help education. Computers will help students to receive learning material in an efficient way. Computers will allow students to accomplish more work using quick research and will allow for increased learning during the students’ education. Computers will allow students to prepare for the new way of life in which computers will be used in every profession. The computer has an endless supply of possible education aids. Students will be able to research any topic over the computer and the Internet. With all assignments given, all work can be done over the computers. Students can take tests over the computer, they can complete math problems and, of course, students can complete writing assignments. The more students use computers, the quicker work will be completed. Students will be able to do all the research they need without leaving their seat. Students can learn about anything they want using the computer, which will lead to for an advanced education. The more a student researches, the more the student will learn about computers. With education switching to computers, students will learn at an efficient rate and will learn more material.

GAMES

In the daily life, people always update knowledge and information to be able to adapt to the life. Each person usually have an own way to approach knowledge. Many people think playing games will help them in getting the knowledge of the life. However; playing games make people uncomfortable in getting knowledge. People will spend much time when playing games. To be expert in any game, players always have to spend much time to play it or to be familiar with it. It is better for them to spend this time to learn anything from the others or from the real life. Moreover; spending much time beside computer will make people feel stress. It is not good for their health. Thus; after playing games, they usually feel tired and not ready for any thing. Besides, playing games makes people less dynamic. We know, the life always changes day after day. People have to update information and get the knowledge every day to get used to the life. When playing games, people still know one situation about the life. Thus; it is obvious that, they hardly ever can to solve their complicated problems in the life, because they do not have enough information or experience to be able to catch up the life. It will help people easier in getting the knowledge or experience about the life

POLLUTION

In today’s society the environment is a big problem. There are lots of types of pollutions today other than just air. Here are some just to name a few: air, water, ground, and noise. It’s about time we do something about it! Air pollution occurs when wastes dirty the air. People produce most of the wastes that cause air pollution. Such wastes can be in the form of gases or particulates. These substances result chiefly from burning fuel to power. Water pollution occurs when unwanted sewage mixes with water sources. Affects on our surface’s water such as rivers, lakes, oceans and the water beneath the surface of the earth are also a part of ground pollution. Ground pollution is the destruction of the earth’s thin layer of healthy, productive soil, where much of our food is grown. This cause decrease in production of crops, degrade in quality of soil, degrade in qualitative production. Noise pollution occurs when unwanted sound is produced. This may cause damage or ear, trouble in sleeping, and other health hazards. Pollution degrades the overall economy of the country. It degrades the standard and quality of life of all living beings.

POLITICS

Politics is a process by which groups of people make collective decisions. The term is generally applied to the art or science of running governmental or state affairs. It also refers to behavior within civil governments, but politics has been observed in other group interactions, including corporate, academic, and religious institutions. It consists of social relations involving authority or power and refers to the regulation of public affairs within a political unit, and to the methods and tactics used to formulate and apply policy. A political system is a system of politics and government. It is usually compared to the legal system, economic system, cultural system, and other social systems. It is different from them, and can be generally defined on a spectrum from left, e.g. communism, to the right, e.g. fascism. However, this is a very simplified view of a much more complex system of categories involving the views: who should have authority, how religious questions should be handled, and what the government's influence on its people and economy should be.

TELEVISION

Television plays such a significant role in people’s everyday lives that it’s almost impossible to imagine how we would live if there were no TV. One can argue that for many people television is no longer the main source they get the latest news from but it is practically impossible, however, to find a family that doesn’t have a television. There are a lot of advantages making television so popular. The main reason why so many people choose this means of getting information and entertainment is its simplicity and convenience. The main problem of television is that little by little we become dependent on TV. Sports usually take us a great deal of time, so we become less dependent on TV.
Now let’s speak about different kinds of people working on television and qualities these people should have. It’s still quite difficult to appear on television without the following qualities: intelligence, talent, beauty, leadership qualities and energy. Similarly, weather forecasts would not be so exciting if announcers were plain. To sum up, I would like to say that television will remain one of the most important source of information in the years ahead, regardless of the development of other sources.

EDUCATION

Education is the experience that has a formative effect on the mind, character or physical ability of an individual. Education is the process by which society transmits its accumulated knowledge, skills and values from one generation to another. Teachers in educational institutions direct the education of students and might draw on many subjects, like reading, writing, mathematics, science and history. This process is sometimes called schooling when referring to the education of teaching only a certain subject, usually as professors at institutions of higher learning. There is also education in fields for those who want specific vocational skills, such as those required to be a pilot. In addition there is an array of education possible at the informal level, such as in museums and libraries, with the Internet and in life experience. Many non-traditional education options are now available and continue to evolve. There can be different types of education such as primary education, secondary education and higher education.