Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

CC configuration and Current amplifier...

Status
Not open for further replies.
B

Bhanumurthy

Full Member level 5
Joined
Jun 18, 2008
Messages
255
Helped
34
Reputation
68
Reaction score
20
Trophy points
1,298
Location
Subcontinent
Activity points
2,743
Dear All,
Common Collector(CC) transistor configuration has high input impedance and low output impedance.Itz voltage gain is unity and itz current gain is high.In otherwords, it can be used as a current amplifier.
But, an ideal current amplifier should have zero input resistance and infinite output resistance.Then how to understand that CC config. can be used as current amplifier.
Plz clarify this doubt.
Regards
 

A common collector (or emitter follower) is a current amplifier in the sense that the voltage gain is close to unity while the current gain is high. It is not an "ideal" current amplifier. It is more of a voltage buffer.

Keith.
 

Bhanumurthy said:
...............
Then how to understand that CC config. can be used as current amplifier.
Plz clarify this doubt.
Regards
Click to expand...

From where do you know "that CC config. can be used as current amplifier" ?
 

becoz it has high current gain i thought it can be used as current amplifier
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top