로그인

Chapter 12

Transistors

바이폴라 접합 트랜지스터
바이폴라 접합 트랜지스터
Transistors play a vital role in electronic circuits, enabling the functionality of amplifiers, memories, and microprocessors. Transistors can be designed ...
BJT의 구성
BJT의 구성
Bipolar junction transistors have different configurations based on the common contact. The common base configuration features a shared base terminal for ...
BJT의 작동 원리
BJT의 작동 원리
Consider a PNP transistor in a common-base configuration, operating in active mode. Forward biasing reduces the emitter-base potential, enabling the ...
BJT의 특징
BJT의 특징
Consider the common-emitter configuration of the BJT. The voltage and current dependencies are measured experimentally to understand the current-voltage ...
BJT의 작동 모드
BJT의 작동 모드
A bipolar junction transistor has four modes of operation, depending upon the voltage polarities at the emitter-base junction and the collector-base ...
BJT의 주파수 응답
BJT의 주파수 응답
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 ...
BJT의 차단 주파수
BJT의 차단 주파수
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 ...
BJT의 스위칭
BJT의 스위칭
Consider a switching circuit that involves a sudden change in the emitter-base voltage. Initially, both the base-emitter junction and the ...
BJT 앰프
BJT 앰프
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 ...
BJT 증폭기의 소신호 분석
BJT 증폭기의 소신호 분석
Consider a BJT  transistor amplifier circuit operating in its active region to provide linear amplification. The total instantaneous base-emitter ...
전계 효과 트랜지스터
전계 효과 트랜지스터
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 ...
JFET의 특징
JFET의 특징
The output characteristics of a JFET describe the relationship between the drain current and the drain-source voltage at various levels of gate-source ...
FET의 바이어스
FET의 바이어스
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 ...
MOS 커패시터
MOS 커패시터
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 ...
모기지
모기지
The Metal-Oxide-Semiconductor Field-Effect Transistor, or MOSFET is a semiconductor device with three terminals: the Source, the Drain, and the Gate and ...
MOSFET의 특징
MOSFET의 특징
The essential parameters of MOSFETs include the channel length, the channel width, the oxide thickness, the junction depth, and the substrate doping. With ...
MOSFET: 강화 모드
MOSFET: 강화 모드
The two modes of p- and n-channel MOSFETs are enhancement and depletion. Enhancement mode MOSFETs are typically off at zero gate-source voltage, meaning ...
MOSFET: 공핍 모드
MOSFET: 공핍 모드
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 ...
MOSFET 증폭기
MOSFET 증폭기
The MOSFET operates as a voltage-controlled current source in its active region, where the gate-to-source voltage regulates the drain current. This ...
MOSFET 증폭기의 소신호 분석
MOSFET 증폭기의 소신호 분석
Consider a MOSFET transistor amplifier circuit operating in its active region to provide linear amplification. The total instantaneous gate-to-source ...
JoVE Logo

개인 정보 보호

이용 약관

정책

연구

교육

JoVE 소개

Copyright © 2025 MyJoVE Corporation. 판권 소유