Transistor
hideIn electronics, 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.
The transistor is the fundamental building block of modern electronic devices, and is used in radio, telephone, computer and other electronic systems. The transistor is often cited as being one of the greatest achievements in the 20th century, and some consider it one of the most important technological breakthroughs in human history. Some transistors are packaged individually but most are found in integrated circuits.
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News tagged with transistors
Micro Sparky: Engineering the tiniest Sun Devil
Oct 30, 2009 |
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(PhysOrg.com) -- An Arizona State University engineering student may have found the tiniest - yet most cleverly inventive - way to show school spirit.
SEMATECH Reports New Approach to Simulate Transistor Noise
Oct 27, 2009 |
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Researchers from SEMATECH's Front End Processes (FEP) program have developed a comprehensive transistor noise model capable of extracting defect characteristics from low frequency noise data in advanced gate stack transistors ...
Researchers create all-electric spintronics
Oct 27, 2009 |
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A multidisciplinary team of UC researchers is the first to find an innovative and novel way to control an electron's spin orientation using purely electrical means.
Researchers create molecular diode
Oct 22, 2009 |
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(PhysOrg.com) -- Recently, at Arizona State University’s Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...
INL, ISU team on nanoparticle production breakthrough
Nanotechnology / Nanomaterials
Oct 19, 2009 |
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Every hour, the sun floods Earth with more energy than the entire world consumes in a year. Yet solar power accounts for less than 0.002 percent of all electricity generated in the United States, primarily ...
Running electronics using light
Oct 19, 2009 |
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(PhysOrg.com) -- "If you open up almost any electronic gadget, you will see various elements that operating using electric circuitries," Nader Engheta tells PhysOrg.com. "Many of them have different functi ...
Computers Faster Only for 75 More Years? Physicists determine nature's limit to making faster processors
Oct 14, 2009 |
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With the speed of computers so regularly seeing dramatic increases in their processing speed, it seems that it shouldn't be too long before the machines become infinitely fast -- except they can't.
Researchers create molecular diode
Oct 13, 2009 |
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Recently, at Arizona State University's Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...
Atomtronic transistor and diode could advance quantum computing
Oct 09, 2009 |
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(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...
Better control of carbon nanotube 'growth' promising for future electronics
Nanotechnology / Nanomaterials
Oct 01, 2009 |
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(PhysOrg.com) -- Researchers have overcome a major obstacle in efforts to use tiny structures called carbon nanotubes to create a new class of electronics that would be faster and smaller than conventional ...
Could a paper transistor offer an alternative to silicon?
Sep 22, 2009 |
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(PhysOrg.com) -- As technology advances, scientists look for ways to enhance electronic applications and devices. Indeed, electronics are getting smaller and more diverse. And as this happens, there is an increased requirement ...
SKoreans demonstrate spin-injected field effect transistor
Sep 18, 2009 |
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South Korean scientists said Friday they had demonstrated a spin-injected field effect transistor in a high-mobility InAs heterostructure.
Two chips in one: Researchers combine microprocessor materials
Sep 16, 2009 |
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(PhysOrg.com) -- An MIT team led by Tomás Palacios, assistant professor in the Department of Electrical Engineering and Computer Science, has succeeded in combining two semiconductor materials, silicon ...
New material for nanoscale computer chips
Nanotechnology / Nanomaterials
Aug 17, 2009 |
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Nanochemists from the Chinese Academy of Sciences and Nano-Science Center, Department of Chemistry at University of Copenhagen have developed nanoscale electric contacts out of organic and inorganic nanowires. ...
Nanoelectronic transistor combined with biological machine could lead to better electronics
Aug 10, 2009 |
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(PhysOrg.com) -- If manmade devices could be combined with biological machines, laptops and other electronic devices could get a boost in operating efficiency.
