Low-dropout regulator From Wikipedia‚ the free encyclopedia Schematic of a low-dropout regulator A low-dropout or LDO regulator is a DC linear voltage regulator which can operate with a very small input–output differentialvoltage.[1] The advantages of a low dropout voltage include a lower minimum operating voltage‚ higher efficiency operation and lower heat dissipation.[2] The main components are a power FET and a differential amplifier (error amplifier). One input of the differential amplifier
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last century the silicon semiconductor is arguably one of the most influential. This component has allowed technology to enhance and expand at an astonishing rate. You will find semiconductors at the core of every microchip as well as almost all transistors. Any object that is computerized depends on these semiconductors. Silicon is the basis of these semiconductors and a key component in all modern electronics. The use of silicon has allowed for the creation of microelectronics‚ which has completely
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electricity‚ big storage and generation of a lot of heat often caused malfunctions. It was firstly used by the U.S Census Bureau. Hence‚ in 1956 the scientists created the second generation of computer with a transistor form. It was smaller and more efficient in energy usage. But still‚ the transistor generated a great deal of heat that subjected the computer to damage. The second computer generation was developer for atomic industry at that time. As the growth of second computer generation‚ in 1964
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program these computers and more when there were some malfunctions. First Generation computers used Vacuum tubes and magnetic drums (for data storage). * Second Generation Computers (1956-1963) The invention of Transistors marked the start of the second generation. These transistors took place of the vacuum tubes used in the first generation computers. First large scale machines were made using these technologies to meet the requirements of atomic energy laboratories. One of the other benefits
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(ELD) B) Plasma displays C) Paper-white displays D) thin-film transistor 6. This specification of a monitor describes the usable portion of the screen. A) refresh rate B) resolution C) dot-pitch D) viewable area 7. To minimize eyestrain‚ you should adjust your monitor to a __________ degree angle. A) 5 B) 10 C) 15 D) 90 8. Newer projectors utilize __________ to achieve clearer and brighter images. A) mirrors B) thin-film transistors C) digital light processing D) cathode ray tubes 9. The most
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3 Failure Mechanism of Semiconductor Devices Contents 3.1 Reliability Factor and Failure Mechanism of Semiconductor Devices 3- 1 3.1.1 Reliability factors 3- 1 3.1.2 Failure factors and mechanisms of semiconductor devices 3- 4 3.2 Failure Mechanisms of Semiconductor Devices 3- 6 3.2.1 Time dependent dielectric breakdown (TDDB) 3- 6 3.2.2 Slow trap (NBTI) 3- 8 3.2.3 Hot carrier (AHC) 3-10 3.2.4 Soft error 3-12 3.2.5
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Sorce 1: http://sixrevisions.com/resources/the-history-of-computers-in-a-nutshell/ * Mid 1800’s - 1930’s: Early Mechanical computers * invented by Charles Babbage in mid 1800’s - called “babbage engines” * These early computers were never completed during Babbage’s lifetime‚ but their complete designs were preserved. Eventually‚ one was finished being built in 20021930s: Electro-Mechanical Computers * 1930’s: Electro-mechanical Computers * Electro-mechanical computers
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The Invention of Computer and its Significance in Human History Abstract: In human history‚ there are lots of great inventions which made great effects to our life; we can even say‚ they dominated the development of human culture. This paper would say something about an effective invention which is fast developing and have the greatest influence on human society—computer and its history and significance. The writer believes‚ before people see computer as a convenient and useful tool even can’t leave
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United States and heard about Bell Labs’ invention of the transistor. He convinced Bell to license the transistor technology to his Japanese company‚ for use in communications. Ibuka’s company made the first commercially successful transistor radios.According to Schiffer‚ Sony’s TR-63 radio "cracked open the U.S. market and launched the new industry of consumer microelectronics." By the mid-1950s‚ American teens had begun buying portable transistor radios in huge numbers‚ helping to propel the fledgling
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and filtering is usually critical and as a result‚ analog ICs use larger area active devices than digital designs and are usually less dense in circuitry. Modern ICs are enormously complicated. A large chip‚ as of 2009 has close to 1 billion transistors. The rules for what can and cannot be manufactured are also extremely complex. An IC process as of 2006 may well have more than 600 rules. Furthermore‚ since the manufacturing process itself is not completely predictable‚ designers must account
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