15/01/2020

Compare Common Collector ( CC ) , Common Base ( CB ) and Common Emitter ( CE ) Configuration


Comparison of Transistor Configurations

Parameter
Current Amplification Factor
α = ∆IC / ∆IE
β = ∆IC / ∆IB
γ = ∆IE / ∆IB
Value of Current Amplification factor
Less than unity
Greater than unity ( between 20 to 500 )
Greater than unity
Voltage gain
Less than 150
Greater than 500
Less than unity
Current gain
Less than unity
High
Appreciable
Input Resistance
Low
Low but higher than Common base configuration
Very high in terms of kilo ohm
Output Resistance
Very high in terms of kilo ohm
High
Low ( less than 100 )
Applications
High frequency applications
Audio frequency applications
Impedance matching

You may also like :

No comments:

Post a comment