# voltage gain for a two-stage feedback amplifier...

#### xp_even

Joined Aug 24, 2007
2
The voltage gain of a two-stage feedback amplifier is given by

A = ( rf / re )+1

How does one arrive at this relation?plz... Can someone provide me the complete derivation for this one???

#### Distort10n

Joined Dec 25, 2006
429
The voltage gain of a two-stage feedback amplifier is given by

A = ( rf / re )+1

How does one arrive at this relation?plz... Can someone provide me the complete derivation for this one???
Are you talking about an op-amp or discrete transistors?

#### xp_even

Joined Aug 24, 2007
2
Its for a CE transistor.

#### The Electrician

Joined Oct 9, 2007
2,848
It would help if you would post a schematic.