Differentiating Base, Emitter, and Collector in Transistors

  • Thread starter Thread starter amaresh92
  • Start date Start date
  • Tags Tags
    Base
Click For Summary

Discussion Overview

The discussion focuses on the differences between the base, emitter, and collector in transistors, specifically examining a PNP transistor. Participants explore the roles and functions of each component within the context of transistor operation.

Discussion Character

  • Conceptual clarification
  • Homework-related

Main Points Raised

  • One participant describes the base as controlling the collector and emitter, likening it to a flood gate that accepts a small amount of current.
  • The same participant characterizes the collector as the part that collects the current to be controlled, while the emitter is described as the part that releases the current.
  • A metaphor is used to illustrate these roles, comparing the base to a door, the collector to an inlet, and the emitter to an outlet.
  • Another participant raises a question about identifying the three doped semiconductors in a practical scenario.

Areas of Agreement / Disagreement

Participants generally agree on the roles of the base, emitter, and collector, but the discussion remains unresolved regarding how to identify these components in practice.

Contextual Notes

There are limitations in the discussion regarding the identification of the components based on doping and semiconductor properties, which remain unaddressed.

amaresh92
Messages
163
Reaction score
0
greetings,
what are the differences between base,emitter and collector?
thanks.
 
Engineering news on Phys.org
Lets examine a PNP transistor.

The base is what controls the collector and the emitter, i.e. it acts as a flood gate and accepts only a tiny amount of current.

the collector is the part that collects the current you want to control.

The emitter is the part that releases the current you want to control.

Imagine a door choking a river, the base would be the door, the collector the inlet, and the emitter the outlet.
 
viscousflow said:
Lets examine a PNP transistor.

The base is what controls the collector and the emitter, i.e. it acts as a flood gate and accepts only a tiny amount of current.

the collector is the part that collects the current you want to control.

The emitter is the part that releases the current you want to control.

Imagine a door choking a river, the base would be the door, the collector the inlet, and the emitter the outlet.

thanks.
suppose we have three doped semiconductor,then how we can understand which one is what?
 
I call homework.
 

Similar threads

  • · Replies 23 ·
Replies
23
Views
5K
  • · Replies 5 ·
Replies
5
Views
4K
  • · Replies 4 ·
Replies
4
Views
2K
Replies
10
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 11 ·
Replies
11
Views
2K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 5 ·
Replies
5
Views
4K