A bipolar junction transistor (BJT) is a type of transistor that uses both electrons and electron holes as charge carriers. In contrast, a unipolar transistor...

An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily forming an electronic switch. It was developed to...

A heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) that uses different semiconductor materials for the emitter and...

alloy-junction and grown junction processes for making bipolar junction transistors (BJTs). Bell Labs developed the first prototype diffused junction bipolar...

point-contact transistor was commercialized and sold by Western Electric and others but was eventually superseded by the bipolar junction transistor, which was...

An avalanche transistor is a bipolar junction transistor designed for operation in the region of its collector-current/collector-to-emitter voltage characteristics...

field-effect transistor, or may have two kinds of charge carriers in bipolar junction transistor devices. Compared with the vacuum tube, transistors are generally...

two bipolar transistors with the emitter of one transistor connected to the base of the other, such that the current amplified by the first transistor is...

inventions in history. Transistors are broadly classified into two categories: bipolar junction transistor (BJT) and field-effect transistor (FET). The principle...

controlled switches or resistors, or to build amplifiers. Unlike bipolar junction transistors, JFETs are exclusively voltage-controlled in that they do not...

combinations of p-type and n-type semiconductors; for example, the bipolar junction transistor (BJT) is a semiconductor in the form n–p–n or p–n–p. Combinations...

steady-state or low-frequency conditions, especially compared to bipolar junction transistors (BJTs). However, at high frequencies or when switching rapidly...

The grown-junction transistor was the first type of bipolar junction transistor made. It was invented by William Shockley at Bell Labs on June 23, 1948...

The germanium alloy-junction transistor, or alloy transistor, was an early type of bipolar junction transistor, developed at General Electric and RCA in...

setting of the DC operating point of an electronic component. For bipolar junction transistors (BJTs), the operating point is defined as the steady-state DC...

The 2N2907 is a commonly available PNP bipolar junction transistor used for general purpose low-power amplifying or switching applications. It is designed...

transistor (FET) is a type of transistor that uses an electric field to control the current through a semiconductor. It comes in two types: junction FET...

in light-emitting diodes and laser diode Bipolar junction transistors (BJTs) are formed from two p–n junctions, in either n–p–n or p–n–p configuration...

digital circuits built using resistors as the input network and bipolar junction transistors (BJTs) as switching devices. RTL is the earliest class of transistorized...

the European name for an early (c. 1960) germanium-based (A) bipolar junction transistor of PNP polarity intended for high frequency use (F). It shares...

(53%) of the power transistor market, followed by the IGBT (27%), then the RF amplifier (11%), and then the bipolar junction transistor (9%). A power device...

electronic circuits that reduce the storage time of a switching bipolar junction transistor (BJT) by applying a nonlinear negative feedback through various...

Transistor–transistor logic (TTL) is a logic family built from bipolar junction transistors. Its name signifies that transistors perform both the logic...

ohmic operation.[citation needed] For bipolar junction transistors the bias point is chosen to keep the transistor operating in the active mode, using a...

semiconductor junction failures. Leakage current increases significantly in bipolar transistors (especially germanium-based bipolar transistors) as they increase...

transistor (MOSFET) designed to handle significant power levels. Compared to the other power semiconductor devices, such as an insulated-gate bipolar...

logic gates Diffused planar silicon bipolar junction transistor, used in some integrated circuits. This transistor, apart from the three electrodes (emitter...

interference. Other unity gain buffer amplifiers include the bipolar junction transistor in common-collector configuration (called an emitter follower...

common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as a voltage amplifier...

The KT315 is a Soviet silicon NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications, enclosed in the...