NPN Common Emitter Amplifier

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Common Emitter
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Common Base

The common emitter configuration lends itself to voltage amplification and is the most common configuration for transistor amplifiers.

Practical Common-Emitter Amplifier
Current Source
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NPN Common Emitter Amplifier

This is an active graphic. Click on any component for a discussion of how its value is designed.

Junction Transistor Amplifiers
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NPN Common Emitter Amplifier

This is an active graphic. Click on any component for a discussion of how its value is designed.

Junction Transistor Amplifiers
Index

Electronics concepts
 
HyperPhysics*****Electricity and magnetismR Nave
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Current Source

Once the bias is set, this circuit will supply a constant current to the load resistor RL so long as operation is withing the linear range of the transistor.
Junction Transistor Amplifiers
Index

Electronics concepts
 
HyperPhysics*****Electricity and magnetismR Nave
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