why no types in +ve feedback

[electronics_kumar]

actually we are having various types in negative feedback i.e series/shunt in volt as well as in current.but my doubt is why we are not having such classification in positive feedback

 

[VVV]

It's feedback in general that can be clasified like that, not only negative feedback. It's all a matter of sign.
But positive feedback is used less frequently, so maybe that is why you did not find anything explicit.

 

[checkmate]

Positive feedback often leads to instability. It is used in oscillator design.

 

[cybersan2002]

There are types in +ve F\B:
Series & Shunt

Thing is that they are not used commonly.

Actually most of the times it is not needed to have o\p which is going towards infinity.

To know more:
Refer 'Linear Integrated Circuits' By R Gayakwad (Pearson Education Release)

Added after 1 minutes:

There are types in +ve F\B:
Series & Shunt

Thing is that they are not used commonly.

Actually most of the times it is not needed to have o\p which is going towards infinity.

To know more:
Refer 'Linear Integrated Circuits' By R Gayakwad (Pearson Education Release)