트랜지스터

수학노트
둘러보기로 가기 검색하러 가기

노트

  • In this case the transistor operates as a switch: if a current flows, the circuit involved is on, and if not, it is off.[1]
  • Similar applications of transistors occur in the complex switching circuits used throughout modern telecommunications systems.[1]
  • The transistor is a semiconductor device which transfers a weak signal from low resistance circuit to high resistance circuit.[2]
  • The transistor consists two PN diode connected back to back.[2]
  • These names are given as per the common terminal of the transistor.[2]
  • Similarly, if the material has one layer of N-type material and two layers of P-type material then it is called PNP transistor.[2]
  • The most advanced transistors work by controlling the movements of individual electrons, so you can imagine just how small they are.[3]
  • In a modern computer chip, the size of a fingernail, you'll probably find between 500 million and two billion separate transistors.[3]
  • There's no chance of taking a transistor apart to find out how it works, so we have to understand it with theory and imagination instead.[3]
  • A transistor is a miniature electronic component that can do two different jobs.[3]
  • For information on the operation and use of transistors in circuits please see the transistor circuits page.[4]
  • There are two types of standard (bipolar junction) transistors, NPN and PNP, with different circuit symbols as shown.[4]
  • The letters refer to the layers of semiconductor material used to make the transistor.[4]
  • Most transistors used today are NPN because this is the easiest type to make from silicon.[4]
  • A transistor is a type of a semiconductor device that can be used to both conduct and insulate electric current or voltage.[5]
  • A transistor basically acts as a switch and an amplifier.[5]
  • PNP transistor consists of 2 crystal diodes which are connected in series.[5]
  • In this transistor, we will find one p-type material that is present between two n-type materials.[5]
  • The common emitter amplifier configuration produces the highest current and power gain of all the three bipolar transistor configurations.[6]
  • A bipolar junction transistor (BJT) is a type of transistor that uses both electrons and electron holes as charge carriers.[7]
  • In contrast, a unipolar transistor, such as a field-effect transistor, use only one kind of charge carrier.[7]
  • The superior predictability and performance of junction transistors soon displaced the original point-contact transistor.[7]
  • It is typically greater than 50 for small-signal transistors, but can be smaller in transistors designed for high-power applications.[7]
  • A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.[8]
  • Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal.[8]
  • Most transistors are made from very pure silicon, and some from germanium, but certain other semiconductor materials are sometimes used.[8]
  • Compared with the vacuum tube, transistors are generally smaller and require less power to operate.[8]
  • On a bi-polar junction transistor (BJT), those pins are labeled collector (C), base (B), and emitter (E).[9]
  • Let's look briefly under the hood of a transistor.[9]
  • (This model is useful if you need to test a transistor.[9]
  • : a transistor is like a water valve -- a mechanism we can use to control the flow rate.[9]
  • To overcome these problems, John Bardeen, Walter Brattain, and William Shockley were invented a transistor at Bell Labs in the year of 1947.[10]
  • The transistor is a semiconductor device that can both conduct and insulate.[10]
  • A transistor can act as a switch and an amplifier.[10]
  • The first transistor was fabricated with germanium.[10]
  • It can either be a bipolar junction transistor (BJT) or a metal oxide semiconductor field effect transistor (MOSFET).[11]
  • • General purpose, small-signal transistors are designed for low- to mediumpower (under 1 W) operation or for switching applications.[11]
  • The BJT is either an NPN or a PNP transistor, shown in Figure 8.40, with three terminals, the base, collector, and emitter.[11]
  • The MOSFET is either an nMOS or pMOS transistor, shown in Figure 8.41, with three terminals, the gate, drain, and source.[11]
  • But transistors are also widely used within integrated circuits.[12]
  • A bipolar transistor needs to be differentiated from a field effect transistor.[12]
  • Note on Transistor Circuit Design: The transistor is a three terminal device which offers current gain.[12]
  • There are three configurations that cna be used for a transistor: common emitter, common collector and common base.[12]
  • The transistor is small and uses much, much less power than the vacuum tube.[13]
  • The transistor was successfully demonstrated on December 23, 1947 at Bell Laboratories in Murray Hill, New Jersey.[13]
  • The three individuals credited with the invention of the transistor were William Shockley, John Bardeen and Walter Brattain.[13]
  • What Bardeen and Brattain had created was the "point-contact" transistor.[13]
  • For an example, we will show how an NPN transistor works.[14]
  • This graphical representation illustrates how a transistor functions.[14]
  • Determine if you want to bias or energize your transistor switch with positive or negative current (i.e. NPN or PNP type, respectively).[14]
  • An NPN transistor is driven (or turned on) by positive current biased at the base to control the current flow from Collector to Emitter.[14]
  • Some transistors contains fourth terminal also i.e. substrate (S).[15]
  • The transistors classification can be understood by observing the above tree diagram.[15]
  • The BJTs are again classified into NPN and PNP transistors.[15]
  • Junction FET transistors are classified into N-channel JFET and P-channel JFET depending on their function.[15]
  • The diagram below shows the symbol of an NPN transistor.[16]
  • This brief introduction outlines personalities and organizations involved in the history of the transistor.[17]
  • His device, the junction (sandwich) transistor, was developed in a burst of creativity and anger, mostly in a hotel room in Chicago.[17]
  • His device was more rugged and more practical than Bardeen and Brattain's point-contact transistor , and much easier to manufacture.[17]
  • In the 1950s and 1960s, most U.S. companies chose to focus their attentions on the military market in producing transistor products.[17]
  • Bipolar transistors are a type of transistor composed of pn junctions, which are also called bipolar junction transistors (BJTs).[18]
  • The transistors made at Bell Labs were initially made from the element germanium.[19]
  • To work properly, transistors require pure semiconductor materials.[19]
  • Full-fledged transistors were the next step.[19]
  • But once the technology caught on, germanium transistors were in widespread use for more than 20 years.[19]
  • A transistor is a device that regulates current or voltage flow and acts as a switch or gate for electronic signals.[20]
  • A transistor regulates current or voltage flow and acts as a switch or gate for electronic signals.[20]
  • A transistor consists of three layers of a semiconductor material, each capable of carrying a current.[20]
  • CMOS uses two complementary transistors per gate (one with N-type material; the other with P-type material).[20]
  • In a digital circuit, a transistor is an on/off switch that is conductive when pulsed with electricity.[21]
  • Most of the transistors in every chip on the wafer are created at the same time.[21]
  • In 1954, Texas Instruments pioneered production of discrete transistors on a commercial scale.[21]
  • About a quarter inch square, this amount of space can hold trillions of transistors today.[21]
  • However, further down-scaling of transistors has stalled mainly due to power consumption1.[22]
  • the list of our certified STPOWER transistors and modules here.[23]
  • Graphene based Van der Waals contacts on MoS 2 field effect transistors.[24]
  • Impact of electron–phonon scattering on the strain-induced current-blocking effect in graphene field-effect transistors.[24]
  • Selective etching in graphene–MoS 2 heterostructures for fabricating graphene-contacted MoS 2 transistors.[24]
  • Graphene surface contacts of tin disulfide transistors for switching performance improvement and contact resistance reduction.[24]
  • This type of connection offers two types of transistors.[25]
  • The three terminals drawn from the transistor indicate Emitter, Base and Collector terminals.[25]
  • The arrow-head in the above figures indicated the emitter of a transistor.[25]
  • As the collector of a transistor has to dissipate much greater power, it is made large.[25]
  • At their core, transistors amplify power.[26]
  • Without the famous transistor, none of these modern marvels would have ever been possible![27]
  • The transistor has been compared to the simple switch, but don’t be deceived; it’s much more than that.[27]
  • A transistor can take a small current and turn it into a huge one![27]
  • When current can’t flow through, then the transistor is in an “off” state, or 0.[27]
  • In a transistor, a signal tells the device to either conduct or insulate, thereby enabling or disabling the flow of electricity.[28]
  • By introducing an electric signal to a transistor, electric fields are created that force holes and electrons to swap places.[28]
  • This allows regions of the transistor that normally insulate to conduct (or vice versa).[28]
  • The first “point-contact” transistor appeared in 1947 thanks to the work of John Bardeen, Walter Brattain and William Shockley.[28]
  • The first type of transistor successfully demonstrated was a current-controlled device.[29]
  • This parameter of a transistor is called transconductance and gm is the common usage.[29]
  • A more complete complex mathematical model of the real physical transistor is shown in figure 8.1.5.[29]
  • There are four transistor types that correspond to these basic active device models.[29]
  • A signal of small amplitude if applied to the base is available in the amplified form at the collector of the transistor.[30]
  • -n-p bipolar junction transistor (or pnp transistor), an n-type semiconductor is sandwiched between two p-type semiconductors.[30]
  • As a transistor has two p-n junctions, it is equivalent to two diodes connected back to back.[30]
  • As we know for p-n-p transistors Iand Vare positive and I, I, Vare negative.[30]

소스

  1. ↑ 1.0 1.1 transistor | Definition & Uses
  2. ↑ 2.0 2.1 2.2 2.3 What is Transistor? Definition, Symbol, Terminals & Operating Condition
  3. ↑ 3.0 3.1 3.2 3.3 How do transistors work?
  4. ↑ 4.0 4.1 4.2 4.3 types, connecting, soldering, testing, choosing, heat sinks
  5. ↑ 5.0 5.1 5.2 5.3 Definition, Working Principle, Types, Transistor Diagram
  6. ↑ Bipolar Transistor Tutorial, The BJT Transistor
  7. ↑ 7.0 7.1 7.2 7.3 Bipolar junction transistor
  8. ↑ 8.0 8.1 8.2 8.3 Transistor
  9. ↑ 9.0 9.1 9.2 9.3 learn.sparkfun.com
  10. ↑ 10.0 10.1 10.2 10.3 Types, Baising Modes and Advantages
  11. ↑ 11.0 11.1 11.2 11.3 Transistors - an overview
  12. ↑ 12.0 12.1 12.2 12.3 What is a Transistor: How Does It Work
  13. ↑ 13.0 13.1 13.2 13.3 History of the Transistor
  14. ↑ 14.0 14.1 14.2 14.3 Transistor Basics: NPN & PNP Using 2N3904, 2N3906, 2N2222, and 2N2907
  15. ↑ 15.0 15.1 15.2 15.3 Junction Transistors and FETs
  16. ↑ Transistor Basics
  17. ↑ 17.0 17.1 17.2 17.3 An Outline of the History of the Transistor
  18. ↑ What is a bipolar transistor?
  19. ↑ 19.0 19.1 19.2 19.3 How Transistors Work
  20. ↑ 20.0 20.1 20.2 20.3 Definition from WhatIs.com
  21. ↑ 21.0 21.1 21.2 21.3 Definition of transistor
  22. ↑ Thickness-controlled black phosphorus tunnel field-effect transistor for low-power switches
  23. ↑ STPOWER power transistors
  24. ↑ 24.0 24.1 24.2 24.3 Field-Effect Transistors Built from All Two-Dimensional Material Components
  25. ↑ 25.0 25.1 25.2 25.3 Tutorialspoint
  26. ↑ Adafruit Learning System
  27. ↑ 27.0 27.1 27.2 27.3 Transistors - The World of Modern Electrons
  28. ↑ 28.0 28.1 28.2 28.3 What is a Transistor?
  29. ↑ 29.0 29.1 29.2 29.3 Chapter 8: Transistors [Analog Devices Wiki]
  30. ↑ 30.0 30.1 30.2 30.3 Bipolar Junction Transistor (BJT): What is it & How Does it Work?

메타데이터

위키데이터

Spacy 패턴 목록

  • [{'LEMMA': 'transistor'}]
원본 주소 "https://wiki.mathnt.net/index.php?title=트랜지스터&oldid=51447"