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Questions and Answers
What is the most common configuration of transistors?
What is the most common configuration of transistors?
What type of amplification does a transistor provide when it increases both input voltage and current?
What type of amplification does a transistor provide when it increases both input voltage and current?
In which application of transistors are they used in CPU, memory, and input/output devices?
In which application of transistors are they used in CPU, memory, and input/output devices?
What is the purpose of biasing in transistors?
What is the purpose of biasing in transistors?
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What type of switching does a transistor act as, allowing or blocking the flow of current?
What type of switching does a transistor act as, allowing or blocking the flow of current?
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Which transistor configuration provides high voltage gain but no current gain?
Which transistor configuration provides high voltage gain but no current gain?
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What type of amplification does a transistor provide when it increases the input voltage?
What type of amplification does a transistor provide when it increases the input voltage?
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In which application of transistors are they used in power supplies, inverters, and motor control systems?
In which application of transistors are they used in power supplies, inverters, and motor control systems?
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What is the purpose of forward biasing in transistors?
What is the purpose of forward biasing in transistors?
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Which transistor configuration is also known as an emitter follower?
Which transistor configuration is also known as an emitter follower?
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Study Notes
Configuration
- Transistors can be configured in three ways:
- Common Emitter (CE): Most commonly used, provides high current gain and voltage gain.
- Common Collector (CC): Also known as emitter follower, provides high current gain but no voltage gain.
- Common Base (CB): Provides high voltage gain but no current gain.
Amplification
- Transistors can amplify weak electrical signals:
- Voltage Amplification: Transistor amplifies the input voltage, resulting in a higher output voltage.
- Current Amplification: Transistor amplifies the input current, resulting in a higher output current.
- Power Amplification: Transistor amplifies both voltage and current, resulting in a higher output power.
Applications
- Transistors have numerous applications in:
- Electronics: Amplifiers, switches, and logic gates.
- Computing: CPU, memory, and input/output devices.
- Communication: Radio, telephone, and digital communication systems.
- Power Systems: Power supplies, inverters, and motor control systems.
Switching
- Transistors can be used as electronic switches:
- On/Off Switching: Transistor acts as a switch, allowing or blocking the flow of current.
- Analog Switching: Transistor acts as a switch, but also allows for analog signals to be switched.
Biasing
- Biasing is the process of setting the operating point of a transistor:
- Forward Bias: Applying a positive voltage to the base, allowing the transistor to conduct.
- Reverse Bias: Applying a negative voltage to the base, preventing the transistor from conducting.
- Fixed Bias: Using a fixed voltage source to bias the transistor.
- Self-Bias: Using the transistor's own output to bias itself.
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Description
Learn about the configurations, amplification, applications, switching, and biasing of transistors. Test your knowledge of these fundamental electronics concepts.
