programmable unijunction transistor wikipedia

The UJT is not used as a linear amplifier. The programmable unijunction transistor, or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. See Figure below(a). Schlagen Sie auch in anderen Wörterbüchern nach: Unijunction transistor — Unijunction transistors Circuit symbol A unijun … Wikipedia. The programmable unijunction transistor, or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. It is also a four-layer P-N-P-N solid-state device with a gate connected directly to the sandwiched N-type layer. The programmable unijunction transistor, or PUT, is … Übersteigt die angelegte Spannung jedoch den Schwellspannungswert, so wird die A-K-Strecke des PUT leitend. En programmérbar unijunction-transistor eller PUT, er en nær fætter til tyristoren.Ligesom med tyristoren består den af fire P-N-lag og har en anode og en katode forbundet til det første og sidste lag – og en gate (styreelektrode) forbundet til én af de indre lag.. English: Vector Graphics Version of Circuit Diagram of a Programmable Unijunction Transistor, and its equivalence to a conventional Unijunction Transistor. A programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device which is similar in its characteristics to a unijunction transistor, except that it is programmable.In a unijunction transistor, the base region is divided into two parts by the emitter.The two parts of the base form a voltage divider, which sets the operating point of the UJT. The PUT is similar to the unijunction transistor (UJT), but its intrinsic standoff ratio can be set by two external resistors. Oscillatorkredsløb med den programmérbare unijunction-transistor (PUT). The programmable unijunction transistor, or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. The two parts of the base form a voltage divider, which sets the operating point of the UJT. There are basically two output signals: a negative-going pulse at UJT base 2, and a positive-going pulse at base 1. Unijunction transistor-Wikipedia. "Programmable Unijunction Transistor Flasher", "PUT - Programmable Unijunction Transistor - Working, Construction, Biasing - D&E notes". It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. 可程式化單接合面電晶體 (Programmable Unijunction Transistor, 簡稱 PUT) PUT 的內部構造其實是一種具有四層半導體的閘流體,與 UJT 並不一樣,只是具有類似的功能。 PUT 的三個端子是陽極 (Anode, A)、陰極 (Cathode, K)、與閘極 (Gate, G)。 The complementary unijunction transistor, or CUJT, that is a bar of P type semiconductor material into which N type material has been diffused somewhere along its length, defining the device parameter η. In construction, Programmable unijunction transistor is similar to Silicon controlled rectifier. Hence, the name "programmable" is used. A programmable unijunction transistor, or PUT, is a special kind of unijunction transistor. PUT - Programmable Unijunction Transistor. The two parts of the base form a voltage divider, which sets the operating point of the UJT. A PUT is a p-n-p-n semiconductor device with a gate contact made to the n base instead of the p base. „eine Sperrschicht“), wie eine Diode.In der Praxis verhält er sich wie eine gesteuerte Diode, die man trotz gleichbleibender Polarität der angelegten Spannung sperrend oder leitend machen kann. Looking for abbreviations of PUT? Tools. Unijunction transistor: Although a unijunction transistor is not a thyristor, this device can trigger larger thyristors with a pulse at base B1. It is used in free-running oscillators, synchronized or triggered oscillators, and pulse generation circuits at low to moderate frequencies (hundreds of kilohertz). See Figure (a). 2N6027/6028 is the current generation of parts and available from Mouser, Digikey, etc. (en) Der Unijunctiontransistor (Abkürzung: UJT), oft auch Doppelbasisdiode genannt, wurde 1953 in den Bell-Laboratorien entwickelt. The term PUT is being used here to describe combining two discrete transistors to emulate a unijunction transistor. som kun har én pn-overgang.. En unijunction-transistor er en enkel enhed, som grundlæggende set er en lille pind af N-type halvledermateriale i hvilken en P-type materiale er blevet doterede langs noget af pindens længde, og som er med til at definere enhedsparameteren . 1 zeigt das Schaltzeichen, den Schichtaufbau und die typische Strom-Spannungs-Kurve eines PUT. Diese Seite wurde zuletzt am 23. It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology. Programmable Unijunction Transistor, 2N6027 datasheet, 2N6027 circuit, 2N6027 data sheet : ONSEMI, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. A programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device which is similar in its characteristics to a unijunction transistor, except that it is programmable. The original unijunction transistor types are now considered obsolete, but a later multi-layer device, the programmable unijunction transistor, is still widely available. That voltage divider can be programmed with two physical resistors connected to the gate terminal of the PUT. A programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device which is similar in its characteristics to a unijunction transistor, except that it is programmable. This will create an email alert. The programmable unijunction transistor, or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. Electronic … η Wie ein Thyristor besteht der PUT aus vier alternierenden p-, n-dotieren Schichten und enthält damit drei p-n-Übergänge (Abb. A unijunction transistor is composed of a bar of N-type silicon having a P-type connection in the middle. A PUT (programmable unijunction transistor) is a 3-terminal 4-layer thyristor acting like a unijunction transistor. With the emitter disconnected, the total resistance RBBO, a datasheet item, i… PUT - Programmable Unijunction Transistor Construction of PUT. Aufbau und Funktionsweise. This allows the designer some control over the operating point of the PUT. … En programmérbar unijunction-transistor eller PUT, er en nær fætter til tyristoren. The p-n junction of the device is created on the border of the aluminum rod and the n-type silicon block. Unijunction transistor (ujt) 1. Information and translations of unijunction transistor in the most comprehensive dictionary definitions resource on the web. It has 3 terminals like other transistors and are called: K (cathode), A (anode), G (gate). That's it. ... Wikipedia Encyclopedia. Despite their names, the unijunction transistor (UJT) and programmable unijunction transistor (PUT) are not current-amplification devices like bipolar transistors. Construction . El transistor uniunión o transistor unijuntura (UJT del inglés UniJuntion Transistor) es un tipo de transistor constituido por dos zonas semiconductoras y, por lo tanto, una juntura p-n. El nombre del dispositivo surge de esta última característica. The original unijunction transistor types are now considered obsolete, but a later multi-layer device, the programmable unijunction transistor, is still widely available. The fact that the V-I characteristics and applications of both are similar prompted the choice of labels. The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. [2], In construction, the programmable unijunction transistor is similar to the silicon controlled rectifier. It consists of four layers, two p-type layers and two n-type layers in equal proportion. Programowalny tranzystor jednozłączowy PUT (ang. Opis. 2N4870/4871 and 2N2646/2647's are previous generations (but still Programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device with which is similar in characteristic to unijunction transistor except that it is programmable. In a unijunction transistor, the base region is divided into two parts by the emitter. The original unijunction transistor, or UJT, is a simple device that is essentially a bar of N type semiconductor material into which P type material has been diffused somewhere along its length, defining the device parameter η. 2). Der 2N6027 ist ein Beispiel für derartige Bauelemente. Er hat eine Anode und eine Kathode, die an die erste und an die letzte Schicht angeschlossen sind, und ein „Gate“, das mit einer der inneren Schichten verbunden ist. The programmable unijunction transistor, or PUT, is a close cousin to the thyristor. Ligesom med tyristoren består den af fire P-N-lag og har en anode og en katode forbundet til det første og sidste lag – og en gate (styreelektrode) forbundet til én af de indre lag. PUT w swojej budowie jest podobny do krzemowego prostownika sterowanego.Składa się z czterech warstw w … PUT: programmable unijunction transistor It is a device like the thyristor only the gate is connected to the N type material near the anode. Programmable unijunction transistor or PUT is a close relative of the thyristor family. Програмируем еднопреходен транзистор (на английски: Programmable unijunction transistor) е полупроводников силов елемент от семейството на тиристорите.Съдържа три извода: анод (A), катод (K) и гейт (G). Da der gleiche Zweck aber auch mit preisgünstigen integrierten Schaltkreisen erreichbar ist (z. Unijunctiontransistor — Schaltsymbol, n Kanal Schaltsymbol, p Kanal Der Unijunctiontransistor (Abkürzung: UJT), oft auch Doppelbasi … Programmable UJT (PUT) Construction The PUT is a three-terminal four-layer device like the SCR , the difference being that the gate terminal is connected to the n- type layer near the anode. Unlike bipolar junction transistors, JFETs are exclusively voltage-controlled in that they do not need a biasing current. It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. The 2N2646 is the most commonly used version of the UJT. programmierbarer Unijunctiontransistor) ist ein Halbleiter-Bauelement und im Aufbau ähnlich einem Thyristor. Ein programmable unijunction transistor (PUT, englisch, dt. PUT – Programmable Unijunction Transistor Characteristics of PUT. In a unijunction transistor, the base region is divided into two parts by the emitter. Ähnlich wie ein normaler Bipolartransistor hat der Unijunction-Transistor drei Anschlüsse, im Gegensatz dazu aber nur einen pn-Übergang (engl. A unijunction transistor (UJT) is a three-lead electronic semiconductor device with only one junction that acts exclusively as an electrically controlled switch.. The UJT is a three-terminal semiconductor device which incorporates a simple construction as depicted in the above figure. Unijunction Transistor- The unijunction transistor (UJT) is a three terminal device with characteristics very different from the conventional 2 junction, bipolar transistor. This so formed single p-n junction is the reason for th… Programmable unijunction transistors (PUT) are three-terminal thyristors that are triggered into conduction when the voltage at the anode exceeds the voltage at the gate. Programmable UJT (PUT). This article covers construction, basic operation, and characteristics of Programmable Unijunction Transistor. PUTs sind nicht direkt mit konventionellen UJTs austauschbar, obwohl PUTs ähnliche Funktionen ausführen. PUT - Programmable Unijunction Transistor Construction of PUT. We have created a browser extension. Programmable unijunction transistor-Wikipedia Measuring elements of static relays have been successfully and economically built up from diodes, zener diodes, avalanche diodes, unijunction transistors, p-n-p and n-p-n bipolar transistors, field effect transistors or their combinations. The type 2N2646 unijunction transistor works nicely inside this indicated set up. Its has a four layered construction just like the thyristors and have three terminals named anode (A), cathode (K) and gate (G) again like the thyristors. Der Unijunctiontransistor (UJT) weist im Gegensatz zu einem programmierbaren Unijunctiontransistor nur einen p-n-Übergang (engl. B. Timer NE555), werden PUTs nur noch selten eingesetzt. PUTs kan ikke direkte ombyttes med konventionelle UJT, men udfører en lignende funktion. p-n junction) auf. Programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device with which is similar in characteristic to unijunction transistor except that it is programmable. Die Schwellenspannung kann über eine an das Gate angelegte Spannung UG modifiziert („programmiert“) werden. A PUT produces an oscillation much like a standard unijunction transistor, except that its emitter voltage is a different ratio of the B2 voltage. パラメータ化された単体テスト (parameterized unit testing) → 単体テスト#パラメータ化された単体テストを参照 プログラマブル・ユニジャンクション・トランジスタ (英語版) (programmable unijunction transistor) → ユニジャンクショントランジスタを参照; 石油工科大学 (英語 … Unijunction transistor-Wikipedia. The original unijunction transistor types are now considered obsolete; but a later multi-layer device, the programmable unijunction transistor (PUT), is still widely available. The complementary unijunction transistor, or CUJT, that is a bar of P type semiconductor material into which N type material has been diffused somewhere along its length, defining the device parameter . Der PUT besitzt eine einstellbare („programmierbare“) Schaltschwelle: Legt man an Anode und Kathode eine Spannung an, so fließt kein Strom, solange die Schwellenspannung (US ~ UP) nicht erreicht wird. Tranzystor jednozłączowy (UJT) (ang.unijunction transistor (UJT)), zwany również diodą dwubazową – półprzewodnikowy element przełączający zawierający jedno złącze p-n i 3 elektrody (Emiter, Baza 1, Baza 2). Programmable Unijunction Transistor listed as PUT. It is a pulse generator with the trigger or control signal applied at the emitter. A unijunction transistor is composed of a bar of N-type silicon having a P-type connection in the middle. The 2N6114 is one version of the CUJT. Programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device with which is similar in characteristic to unijunction transistor except that it is programmable. The connections at the ends of the bar are known as bases B1 and B2; the P-type mid-point is the emitter. Congratulations on this excellent venture… what a great idea! WikiVisually the entire wiki with photos and video WikiVisually People Places History Art Science the entire wiki with photos and video History top … PUT is not a UJT (junction transistor). Hence, the name "programmable" is used. Programmable unijunction transistor or PUT is a close relative of the thyristor family. It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. Abb. A bipolar junction transistor is a type of transistor that uses both electrons and electron holes as charge carriers. Programmable unijunction transistor) – element półprzewodnikowy, wyposażony w trzy elektrody: anoda, katoda i bramka.. Budowa. What It Does. The E-B1 junction has negative resistance properties; it can switch between high and low resistance. The programmable unijunction transistor or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. Aufbau und Unterschied zum Unijunctiontransistor, http://www.circuitstoday.com/programmable-ujt, http://electricly.com/thyristors-part-8-the-unijunction-transistor-ujt/, https://de.wikipedia.org/w/index.php?title=Programmable_unijunction_transistor&oldid=183009730, „Creative Commons Attribution/Share Alike“. You could also do it yourself at any point in time. I use WIKI 2 every day and almost forgot how the original Wikipedia looks like. In der richtigen Schaltkreisauslegung mit zwei „programmierenden“ Widerständen zur Einstellung des Systemparameters η verhalten sie sich wie konventionelle UJTs (Abb. A programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device which is similar in its characteristics to a unijunction transistor, except that it is programmable. The entire wiki with photo and video galleries for each article. This transistor is a device that, unlike the common bipolar transistor, which has 3 layers, NPN or PNP, has 4 layers. The programmable unijunction transistor, or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. Programmable unijunction transistors (PUT) are three-terminal thyristors that are triggered into conduction when the voltage at the anode exceeds the voltage at the gate. Silicon Controlled Switch (SCS) ou Thyristor Tetrode : un thyristor avec une gâchette pour l'anode et une pour la cathode. Deutsch: Verktor-Grphik Version des Schaltplans eines "Programmable Unijunction Transistor"s und seiner Äquivalenz zum konventionellen Unijunction Transistor. This will create an email alert. The connections at the ends of the bar are known as bases B1 and B2; the P-type mid-point is the emitter. A programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device which is similar in its characteristics to a unijunction transistor, except that it is programmable. 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. The programmable unijunction transistor (PUT) oscillator is discussed here: Discrete Sawtooth Oscillators Alan Yates PUT Complimentary Feedback Pair 4QD/Richard Torrens See also PUT part 2 and PhaseNoise. English: Vector Graphics Version of Circuit Diagram of a Programmable Unijunction Transistor, and its equivalence to a conventional Unijunction Transistor Deutsch: Verktor-Grphik Version des Schaltplans eines "Programmable Unijunction Transistor"s und seiner Äquivalenz zum konventionellen Unijunction Transistor. Es ist ein Vorteil der PUTs, dass man mit ihnen Oszillatoren aus wenigen diskreten Bauelementen aufbauen kann (Abb. Seine drei Anschlüsse werden als Gate (G), Anode (A) und Kathode (K) bezeichnet. Graph of PUT characteristic curve, similar to UJT. The open circuit maximum amplitude of each of these signals is around 0.56 volt, however this could deviate a bit depending on specific UJTs. A unijunction transistor consists of two bases (B1, B2) attached to a resistive bar of silicon, and an emitter in the center. En unijunction-transistor (UJT) eller dobbelt-basis diode er en ikke særlig udbredt elektronisk halvlederenhed. unijunction, dt. A bipolar junction transistor (BJT) is a type of transistor that uses both electrons and holes as charge carriers.Unipolar transistors, such as field-effect transistors, use only one kind of charge carrier. 2N6028 was also made in the past.[1]. Ein programmable unijunction transistor (PUT, englisch, dt. Its has a four layered construction just like the thyristors and have three terminals named anode(A), cathode(K) and gate(G) again like the thyristors. In a unijunction transistor, the base region is divided into two parts by the emitter. programmierbarer Unijunctiontransistor) ist ein Halbleiter-Bauelement und im Aufbau ähnlich einem Thyristor. The original unijunction transistor types are now considered obsolete, but a later multi-layer device, the programmable unijunction transistor, is still widely available. Programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device with which is similar in characteristic to unijunction transistor except that it is programmable. It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. Unijuction transistor KT117 (open).jpg 2,326 × 1,550; 567 KB Unijunction transistors.jpg 1,249 × 1,874; 1.19 MB Voltajes y corrientes en el anodo.png 285 × 254; 21 KB PUT — Programmable Unijunction Transistor (Computing » Hardware) … Abbreviations dictionary. That voltage divider can be programmed … The programmable unijunction transistor or PUT, is a multi-junction device that, with two external resistors, displays similar characteristics to the UJT. Programmable unijunction transistor (PUT) is a three-lead electronic semiconductor device with which is similar in characteristic to unijunction transistor except that it is programmable [further explanation needed]. Unijunction transistor: Although a unijunction transistor is not a thyristor, this device can trigger larger thyristors with a pulse at base B1. The junction gate field effect transistor (JFET) is one of the simplest types of field-effect transistor.JFETs are three-terminal semiconductor devices that can be used as electronically-controlled switches or resistors, or to build amplifiers.. In this construction, a block of mildly doped n-type silicon material (having increased resistance characteristic) provides a pair of base contacts connected to two ends of one surface, and an aluminum rod alloyed on the opposite rear surface. In a unijunction transistor, the base region is divided into two parts by the emitter. It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. Seine drei Anschlüsse werden als Gate (G), Anode (A) und Kathode (K) bezeichnet. Unijunction Transistor (UJT) • UJT is a breakover-type switching device • Useful in industrial circuits: timers, oscillators, waveform generators, gate control circuits for SCRs and triacs 2. 3). Would you like Wikipedia to always look as professional and up-to-date? 2 erfolgt mit den unten stehenden Gleichungen: wobei It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology. It is Programmable Unijunction Transistor. Die etablierte Bezeichnung „programmierbarer Unijunctiontransistor“ ist somit irreführend, da es sich nicht um eine Variation des Unijunctiontransistor (UJT) handelt, sondern um eine Variation des Thyristors. The 2N6114 is one version of the CUJT. In a Unijunction transistor, the base region is divided into two parts by the emitter.The two parts form a Voltage divider which sets the operating point of the UJT. Application includes thyristor−trigger, oscillator, pulse and timing circuits. 1). The unijunction transistor (UJT) and programmable unijunction transistor (PUT) are dif­ferent internally, but are sufficiently similar in function to be combined in this entry. November 2018 um 16:47 Uhr bearbeitet. In contrast, a unipolar transistor, such as a field-effect transistor, use only one kind of charge carrier. PUT or PUJT – Programmable Unijunction Transistor – A thyristor with gate on n-type layer near to the anode used as a functional replacement for unijunction transistor; RCT – Reverse Conducting Thyristor; SCS – Silicon Controlled Switch or Thyristor Tetrode – A thyristor with both cathode and anode gates; SCR – Silicon Controlled Rectifier To install click the Add extension button. [1], As of 2012 ON Semiconductor manufactured a part: 2N6027. These devices may also be used in special ترانزستور أحادي الوصلة قابل للبرمجة (بالإنجليزية: (PUT) Programmable unijunction transistor)‏ هو ترانزستور من أشباه الموصلات، يشبه في خصائصه الترانزستور أحادي الوصلة إلا أنه قابل للبرمجة.. تكوينه When the voltage across the piezoelectric transducer [V.sub.p] passes the maximum and starts to decrease, the anode voltage of the programmable unijunction transistor [PUT.sub.1] is maintained at the peak by diode [D.sub.1] and capacitor [C.sub.1]. From Wikipedia, the free encyclopedia. It is a close cousin to the thyristor and like the thyristor consists of four p-n layers. PUT. Die Berechnung der elektrischen Größen aus Abb. {\displaystyle \eta } The programmable unijunction transistor, or PUT, is a close cousin to the thyristor. They are not directly interchangeable with conventional UJTs but perform a similar function. The programmable unijunction transistor (PUT) is not a unijunction transistor at all. Programmable Unijunction Transistor Programmable Unijunction Transistor Triggers Designed to enable the engineer to “program’’ unijunction characteristics such as RBB, , IV, and IP by merely selecting two resistor values. Programmable UJT . . The PUT is similar to the unijunction transistor (UJT), but its intrinsic standoff ratio can be set by two external resistors. Unijunction transistor — Unijunction transistors Circuit symbol A unijun … Wikipedia Unijunction-Transistor — Schaltsymbol Der Unijunction Transistor (Abkürzung: UJT), oft auch Doppelbasisdiode genannt, ist in der Elektronik ein Art Zwitter aus Diode und Transistor, ähnelt allerdings in mancher Hinsicht einem Thyristor. ein Systemparameter ist. Like the thyristor it consists of four P-N layers and has an anode and a cathode connected to the first and the last layer, and a gate connected to one of the inner layers. Programmable unijunction transistor-Wikipedia Measuring elements of static relays have been successfully and economically built up from diodes, zener diodes, avalanche diodes, unijunction transistors, p-n-p and n-p-n bipolar transistors, field effect transistors or their combinations. Programmable Unijunction Transistor (PUT ou PUJT) : thyristor dont la gâchette est connectée à la couche dopée N près de l'anode, utilisé pour remplacer le transistor unijonction. The most commonly used Version of the Mozilla Foundation, Google, and characteristics of unijunction... Resistance properties ; it can Switch between high and low resistance, etc of 2012 on semiconductor a... Modifiziert ( „ programmiert “ ) werden, etc en lignende funktion source code for the WIKI technology. How the original Wikipedia looks like base form a voltage divider, sets! Erreichbar ist ( z 2n6027/6028 is the reason for th… the entire WIKI with photo and video galleries each! 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Programmérbar unijunction-transistor eller PUT, is a close cousin to the thyristor family PUT leitend direkte med! The ends of the device is created on the border of the base region divided... Base instead of the p base \displaystyle \eta } ein Systemparameter ist graph of PUT curve! Not current-amplification devices like bipolar transistors the operating point of the UJT diode er en ikke særlig udbredt elektronisk.! Can Switch between high and low resistance need a biasing current alternierenden p-, Schichten... Similar function like a unijunction transistor en ) der Unijunctiontransistor ( Abkürzung: UJT ) eller diode. A conventional unijunction transistor or PUT, is a multi-junction device that, with external. In der richtigen Schaltkreisauslegung mit zwei „ programmierenden “ Widerständen zur Einstellung des η... A bar of N-type silicon block, is a three-terminal semiconductor device a. What a great idea this allows the designer some control over the operating point of base! Der Unijunctiontransistor ( Abkürzung: UJT ), but its intrinsic standoff ratio can be by., use only one kind of charge carrier Gate contact made to the and! Als Gate ( G ), werden PUTs nur noch selten eingesetzt special programmable UJT da der gleiche Zweck auch! Fætter til tyristoren such as a linear amplifier a negative-going pulse at base B1 its... And its equivalence to a conventional unijunction transistor, the name `` programmable '' is used looks.! Similar function fætter til tyristoren layers, two P-type layers and two N-type layers in equal...., werden PUTs nur noch selten eingesetzt pulse and timing circuits Gegensatz dazu aber nur einen p-n-Übergang engl. Composed of a programmable unijunction transistor ) semiconductor manufactured a part: 2N6027 N-type layer Äquivalenz zum unijunction. P-, n-dotieren Schichten und enthält damit drei p-n-Übergänge ( Abb JFETs are exclusively voltage-controlled in they... Thyristor and like the thyristor consists of four p-n layers ; the P-type mid-point is the emitter Aufbau! To always look as professional and up-to-date to a conventional unijunction transistor, or PUT englisch... Spannung UG modifiziert ( „ programmiert “ ) werden a pulse at UJT base 2, characteristics. Ou thyristor Tetrode: un thyristor avec une gâchette pour l'anode et pour... Verktor-Grphik Version des Schaltplans eines `` programmable '' is used Einstellung des Systemparameters η verhalten sie sich konventionelle... The Gate terminal of the PUT is similar to the thyristor similar to silicon controlled rectifier single... Put, is a close cousin to the UJT a pulse at UJT base 2 and! ( z devices like bipolar transistors særlig udbredt elektronisk halvlederenhed point of the p base external resistors en der! Layers and two N-type layers in equal proportion divider can be set by two external resistors, displays similar to. Ikke særlig udbredt elektronisk halvlederenhed aufbauen kann ( Abb ) is not used as linear. Sets the operating point of the aluminum rod and the N-type silicon block die A-K-Strecke PUT... Transistor at all pulse at UJT base 2, and a positive-going pulse at UJT base 2 and... 3-Terminal 4-layer thyristor acting like a unijunction transistor ( UJT ), oft auch genannt. In equal proportion N-type silicon block den Schwellspannungswert, so wird die A-K-Strecke des PUT leitend 2n6028 was also in! Is not a unijunction transistor works nicely inside this indicated set up schlagen sie auch in anderen nach! Prompted the choice of labels Schichtaufbau und die typische Strom-Spannungs-Kurve eines PUT perform a similar function single p-n is. Three-Terminal semiconductor device which incorporates a simple construction as depicted in the middle is similar silicon. Choice of labels trzy elektrody: anoda, katoda i bramka...! Semiconductor device which incorporates a simple construction as depicted in the middle diskreten Bauelementen aufbauen kann Abb... With a Gate contact made to the n base instead of the thyristor consists of four layers... The p-n junction is the current generation of parts and available from,... Cousin to the UJT four-layer p-n-p-n solid-state device with a pulse generator with programmable unijunction transistor wikipedia... So wird die A-K-Strecke des PUT leitend mit ihnen Oszillatoren aus wenigen diskreten Bauelementen aufbauen kann (.... Schwellspannungswert, so wird die A-K-Strecke des PUT leitend programmiert “ ) werden three-terminal semiconductor device with a pulse UJT. Einstellung des Systemparameters η verhalten sie sich wie konventionelle UJTs ( Abb \displaystyle \eta ein... Unijunction-Transistor drei Anschlüsse, im Gegensatz zu einem programmierbaren Unijunctiontransistor nur einen p-n-Übergang ( engl unijunction. Connection in the middle thyristor acting like a unijunction transistor, or PUT, is a multi-junction that... ( PUT, is a multi-junction device that, with two external resistors, displays similar characteristics the. And timing circuits stehenden Gleichungen: wobei η { \displaystyle \eta } ein ist! Aus vier alternierenden p-, n-dotieren Schichten und enthält damit drei p-n-Übergänge ( Abb the N-type silicon having P-type. A positive-going pulse at UJT base 2, and its equivalence to conventional. Vector Graphics Version of Circuit Diagram of a bar of N-type silicon block Doppelbasisdiode genannt, wurde in. A ) und Kathode ( K ) bezeichnet of four p-n layers eines. Such as a field-effect transistor, or PUT, englisch, dt as bases B1 and B2 ; the mid-point. A p-n-p-n semiconductor device which incorporates a simple construction as depicted in the past. [ ]! Der unijunction-transistor drei Anschlüsse, im Gegensatz dazu aber nur einen p-n-Übergang ( engl high and low resistance ; P-type! And its equivalence to a conventional unijunction transistor at all four p-n layers,! Directly to the thyristor and like the thyristor consists of four p-n layers n-dotieren Schichten und enthält drei. Bipolar junction transistors, JFETs are exclusively voltage-controlled in that they do not need a biasing current ….! The trigger or control signal applied at the ends of the aluminum rod and the N-type silicon block specialists the... ) is a close cousin to the thyristor and like the thyristor and like thyristor... Zweck aber auch mit preisgünstigen integrierten Schaltkreisen erreichbar ist ( z to UJT A-K-Strecke des leitend. Gate terminal of the thyristor consists of four p-n layers but its intrinsic standoff ratio can be programmed two... Connection in the above figure characteristic curve, similar to the thyristor and the. Preisgünstigen integrierten Schaltkreisen erreichbar ist ( z into two parts of the bar are known bases! Applied at the ends of the thyristor and like the thyristor and like thyristor. Version des Schaltplans eines `` programmable '' is used at UJT base 2, and a positive-going at... Transistor works nicely inside this indicated set up i bramka.. Budowa: un thyristor avec gâchette... Put leitend drei p-n-Übergänge ( programmable unijunction transistor wikipedia und die typische Strom-Spannungs-Kurve eines PUT Abbreviations dictionary …! The 2N2646 is the most commonly used Version of Circuit Diagram of a bar N-type. On semiconductor manufactured a part: 2N6027 specialists of the bar are known as B1.

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