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Chapter 12

Transistors

Биполярный транзистор.
Биполярный транзистор.
Transistors play a vital role in electronic circuits, enabling the functionality of amplifiers, memories, and microprocessors. Transistors can be designed ...
Конфигурации биполярных переходных транзисторов
Конфигурации биполярных переходных транзисторов
Bipolar Junction Transistors (BJTs) are categorized into various types based on their configurations, each with distinct characteristics and applications. ...
Принцип работы BJT
Принцип работы BJT
Consider a PNP transistor in a common-base configuration, operating in active mode. Forward biasing reduces the emitter-base potential, enabling the ...
Характеристики BJT
Характеристики BJT
Consider the common-emitter configuration of the BJT. The voltage and current dependencies are measured experimentally to understand the current-voltage ...
Режимы работы BJT
Режимы работы BJT
A bipolar junction transistor has four modes of operation, depending upon the voltage polarities at the emitter-base junction and the collector-base ...
Частотная характеристика BJT
Частотная характеристика BJT
A common-emitter amplifier's DC bias point is determined by the base-emitter voltage, base current, and collector current. The load line is determined ...
Предельная частота BJT
Предельная частота BJT
The common base configuration's current gain is constant at low frequencies of the input signal but attenuates after a specific frequency known as the ...
Переключение BJT
Переключение BJT
Consider a switching circuit that involves a sudden change in the emitter-base voltage. Initially, both the base-emitter junction and the ...
BJT-усилители
BJT-усилители
In the active region of a common emitter NPN BJT, the emitter current is the sum of the base current and the collector current. Here, the base voltage ...
Анализ малых сигналов биполярных переходных транзисторных усилителей (BJT)
Анализ малых сигналов биполярных переходных транзисторных усилителей (BJT)
Small signal analysis is a fundamental approach used in electronics to understand how a Bipolar Junction Transistor (BJT) amplifier processes signals. In ...
Полевой транзистор
Полевой транзистор
A field effect transistor is a three-terminal unipolar device comprising a gate, drain, and source terminal. Charge carriers flow from the source to the ...
Характеристики JFET
Характеристики JFET
The output characteristics of a JFET describe the relationship between the drain current and the drain-source voltage at various levels of gate-source ...
Смещение полевых транзисторов (FET)
Смещение полевых транзисторов (FET)
A junction field effect transistor is used in electronic circuits to control electrical currents. JFETs consist of an N-type or P-type silicon bar ...
МОП-конденсатор
МОП-конденсатор
MOS capacitors have three layers: the bottom layer is a semiconductor substrate, the middle is an insulating layer, and the top metal layer is the gate ...
Транзистор MOSFET
Транзистор MOSFET
The Metal-Oxide-Semiconductor Field-Effect Transistor, or MOSFET is a semiconductor device with three terminals: the Source, the Drain, and the Gate and ...
Характеристики MOSFET
Характеристики MOSFET
The essential parameters of MOSFETs include the channel length, the channel width, the oxide thickness, the junction depth, and the substrate doping. With ...
Полевой МОП-транзистор: расширенный режим
Полевой МОП-транзистор: расширенный режим
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the ...
МОП-транзистор: режим истощения
МОП-транзистор: режим истощения
Depletion-mode MOSFETs are already ON without a gate bias but need a gate-source voltage to switch OFF. They function like JFETs, where the drain-source ...
Транзисторы
Транзисторы
The MOSFET operates as a voltage-controlled current source in its active region, where the gate-to-source voltage regulates the drain current. This ...
Транзисторы
Транзисторы
In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage ...
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