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A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Transistors are one of the basic building blocks of modern electronics. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
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A transistor is an electronic component that can be used as part of an amplifier, or as a switch. It is made of a semiconductor material. Transistors are found in most electronic devices.
A transistor is a semiconductor device with at least three terminals for connection to an electric circuit. In the common case, the third terminal controls the flow of current between the other two terminals. This can be used for amplification, as in the case of a radio receiver, or for rapid switching, as in the case of digital circuits.
Transistor is an action role-playing video game developed and published by Supergiant Games. The game was released in May 2014 for Microsoft Windows and PlayStation 4, and for OS X and Linux in October 2014, and iOS devices in June 2015. Transistor sold over one million copies across all platforms by December 2015.
Transistor utilizes an isometric point of view. The player controls the main character, Red, as she travels through a series of locations, battling enemies known collectively as the Process in both real-time combat and a frozen planning mode referred to as "Turn()". Using Turn() drains the action bar, which refills after a short delay. Until it is full again, Red cannot use Turn(), or any other power. Red earns experience points after each battle, and may collect new powers from fallen victims o
Red, a famous singer in a city called Cloudbank, is attacked by the Process, a robotic force commanded by a group called the Camerata. She manages to escape and comes into possession of the mysterious Transistor—the great sword-like weapon she was to be assassinated with. The Transistor is buried into the chest of a man, now slumped over and dead; though his consciousness and voice seem to have been absorbed into the Transistor itself along with Red's voice. The Camerata continue to track ...
A transistor is a semiconductor device uised tae amplify an switch electronic signals an electrical pouer. It is componed o semiconductor material wi at least three terminals for connection tae an freemit circuit. A voltage or current applee'd tae ane pair o the transistor's terminals chynges the current throu anither pair o terminals.
- Current direction conventions
- Regions of operation
A bipolar junction transistor is a type of transistor that uses both electrons and electron holes as charge carriers. In contrast, a unipolar transistor, such as a field-effect transistor, uses only one kind of charge carrier. A bipolar transistor allows a small current injected at one of its terminals to control a much larger current flowing between two other terminals, making the device capable of amplification or switching. BJTs use two junctions between two semiconductor types, n-type and p-
By convention, the direction of current on diagrams is shown as the direction that a positive charge would move. This is called conventional current. However, current in many metal conductors is due to the flow of electrons. Because electrons carry a negative charge, they move in the direction opposite to conventional current. On the other hand, inside a bipolar transistor, currents can be composed of both positively charged holes and negatively charged electrons. In this article, current arrows
BJTs exist as PNP and NPN types, based on the doping types of the three main terminal regions. An NPN transistor comprises two semiconductor junctions that share a thin p-doped region, and a PNP transistor comprises two semiconductor junctions that share a thin n-doped region. N-type means doped with impurities that provide mobile electrons, while P-type means doped with impurities that provide holes that readily accept electrons. NPN BJT with forward-biased E–B junction and reverse ...
A BJT consists of three differently doped semiconductor regions: the emitter region, the base region and the collector region. These regions are, respectively, p type, n type and p type in a PNP transistor, and n type, p type and n type in an NPN transistor. Each semiconductor region is connected to a terminal, appropriately labeled: emitter, base and collector. The base is physically located between the emitter and the collector and is made from lightly doped, high-resistivity material. The col
The diagram shows a schematic representation of an NPN transistor connected to two voltage sources. This applied voltage causes the lower P-N junction to become forward biased, allowing a flow of electrons from the emitter into the base. In active mode, the electric field existin
The bipolar point-contact transistor was invented in December 1947 at the Bell Telephone Laboratories by John Bardeen and Walter Brattain under the direction of William Shockley. The junction version known as the bipolar junction transistor, invented by Shockley in 1948, was for three decades the device of choice in the design of discrete and integrated circuits. Nowadays, the use of the BJT has declined in favor of CMOS technology in the design of digital integrated circuits. The incidental low
Transistor is the fourth studio album by American rock band 311, released on August 5, 1997 by Capricorn Records. The album saw a change in musical style as fewer songs feature rapping in comparison to the band's previous albums. Upon its release, Transistor received negative reviews from critics, who felt it was overlong and self-indulgent. Retrospectively, however, the album has been more positively received, and was certified platinum by the RIAA.
Clocking in at 67:59 and with twenty-one tracks, Transistor is 311's longest album and, until their 2017 album Mosaic, was their only album to contain more than sixteen tracks. Transistor was originally intended to be a double album, but all songs were instead placed onto one disc. Nick Hexum admitted that doing too many songs in not enough time for Transistor was a mistake. While still utilizing their alternative rock sound in many songs, Transistor saw 311 moving away from their hip hop-influe
In contrast, the album was retrospectively received positively by Consequence of Sound, comparing it to The Beatles' album Sgt. Pepper's Lonely Hearts Club Band. Commenting that "the singles aren't what make Transistor great. It's the deep cuts that you play over and over again,
- Early commercial transistor radios
- Japanese transistor radios
- In popular culture
A transistor radio is a small portable radio receiver that uses transistor-based circuitry, which revolutionized the field of consumer electronics by introducing small but powerful, convenient hand-held devices. Following the invention of the transistor the first commercial transistor radio, the Regency TR-1, was released in 1954. The mass-market success of the smaller and cheaper Sony TR-63, released in 1957, led to the transistor radio becoming the most popular electronic communication device
Before the transistor was invented, radios used vacuum tubes. Although portable vacuum tube radios were produced, they were typically bulky and heavy. The need for a low voltage high current source to power the filaments of the tubes and high voltage for the anode potential typically required two batteries. Vacuum tubes were also inefficient and fragile compared to transistors and had a limited lifetime. Bell Laboratories demonstrated the first transistor on December 23, 1947. The scientific tea
Two companies working together, Texas Instruments of Dallas, and Industrial Development Engineering Associates of Indianapolis, Indiana, were behind the unveiling of the Regency TR-1, the world's first commercially produced transistor radio. Previously, Texas Instruments was prod
In February 1955, the second transistor radio, the 8-TP-1, was introduced by Raytheon. It was a larger portable transistor radio, including an expansive four-inch speaker and four additional transistors. As a result, the sound quality was much better than the TR-1. An additional
Chrysler and Philco announced that they had developed and produced the world's first all-transistor car radio in the April 28th 1955 edition of the Wall Street Journal. Chrysler made the all-transistor car radio, Mopar model 914HR, available as an "option" in fall 1955 for its ne
While on a trip to the United States in 1952, Masaru Ibuka, founder of Tokyo Telecommunications Engineering Corporation, discovered that AT&T was about to make licensing available for the transistor. Ibuka and his partner, physicist Akio Morita, convinced the Japanese Ministry of International Trade and Industry to finance the $25,000 licensing fee. For several months Ibuka traveled around the United States borrowing ideas from the American transistor manufacturers. Improving upon the ideas, Tok
Prior to the Regency TR-1, transistors were difficult to produce. Only one in five transistors that were produced worked as expected and as a result the price remained extremely high. When it was released in 1954, the Regency TR-1 cost $49.95 and sold about 150,000 units. Raytheon and Zenith Electronics transistor radios soon followed and were priced even higher. In 1955, Raytheon's 8-TR-1 was priced at $80. By November 1956 a transistor radio small enough to wear on the wrist and a claimed batt
Transistor radios were extremely successful because of three social forces — a large number of young people due to the post–World War II baby boom, a public with disposable income amidst a period of prosperity, and the growing popularity of rock 'n' roll music. The influence of the transistor radio during this period is shown by its appearance in popular films, songs, and books of the time, such as the movie Lolita. In the late 1950s, transistor radios took on more elaborate designs as ...
The metal–oxide–semiconductor field-effect transistor (MOSFET) was invented by Mohamed M. Atalla and Dawon Kahng at Bell Labs in 1959. The basic IGBT mode of operation, where a pnp transistor is driven by a MOSFET, was first proposed by K. Yamagami and Y. Akagiri of Mitsubishi Electric in the Japanese patent S47-21739, which was filed in 1968.
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